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PlanetMath Encyclopedia

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0 - 3 entries

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2 - 12 entries

3 - 8 entries

4 - 5 entries

5 - 4 entries

6 - 1 entry

9 - 2 entries

A - 953 entries

B - 612 entries

C - 1961 entries

D - 825 entries

E - 801 entries

F - 737 entries

G - 545 entries

H - 609 entries

I - 765 entries

J - 153 entries

K - 218 entries

L - 833 entries

M - 728 entries

N - 534 entries

O - 389 entries

P - 1319 entries

Q - 207 entries

R - 855 entries

S - 1747 entries

SAA (in geometric congruence) owned by CWoo

SAA is not valid in spherical geometry (=AAS is not valid in spherical geometry) owned by Wkbj79

Saccheri quadrilateral owned by Wkbj79

Saccheri's quadrilateral (=Saccheri quadrilateral) owned by Wkbj79

saddle (in hyperbolic fixed point) owned by Koro

saddle point (in extremum) owned by bshanks

saddle-point (in inflexion point) owned by pahio

saddle point approximation owned by msihl

safe prime owned by PrimeFan

Salem number owned by bbukh

salient cone (in cone) owned by matte

saltus (in discontinuous) owned by mathwizard

same different plus (in factoring a sum or difference of two cubes) owned by Wkbj79

sample function owned by CWoo

sample mean (in statistic) owned by CWoo

sample path (in sample function) owned by CWoo

sample variance (in statistic) owned by CWoo

sampling operator (in set of sampling) owned by swiftset

sampling set (=set of sampling) owned by swiftset

sampling theorem owned by akrowne

proof of sampling theorem owned by stevecheng

San Diego Padres (in factoring a sum or difference of two cubes) owned by Wkbj79

San Marco dragon owned by PrimeFan

Sarah Flannery owned by Mravinci

-arc (in (closed) walk / trek / trail / path) owned by marijke

Sard's theorem owned by mathcam

Sard's theorem owned by Mathprof

Sarrus rule (=rule of Sarrus) owned by pahio

Sarrus' rule (=rule of Sarrus) owned by pahio

SAS (in geometric congruence) owned by CWoo

satisfaction (in satisfaction relation) owned by CWoo

satisfaction relation owned by CWoo

satisfies as a Chu space (in property of a Chu space) owned by Henry

satisfy (in satisfaction relation) owned by CWoo

saturate owned by mathcam

saturated (=saturated (set)) owned by drini

saturated owned by drini

saturated (=saturate) owned by mathcam

saturated (=multiplicatively closed) owned by CWoo

saturated chain (in graded poset) owned by mps

saturated model (in deviance) owned by CWoo

saturated multiplicatively closed (in multiplicatively closed) owned by CWoo

saturated (set) owned by drini

saturates (=saturate) owned by mathcam

Satz 90 (=Hilbert Theorem 90) owned by djao

saw-blade function (=triangular-wave function) owned by pahio

saw blade function (=triangular-wave function) owned by pahio

scalar owned by mathcam

scalar curvature (in Ricci tensor) owned by rmilson

scalar factor transfer rules owned by pahio

scalar map (in scalar map) owned by Algeboy

scalar map owned by Algeboy

scalar multiple (in eigenvector) owned by mathcam

scalar-multiplied function (in sum and product and quotient of functions) owned by pahio

scalar potential (in lamellar field) owned by pahio

example of scalar potential (=examples of lamellar field) owned by pahio

scalar product (=dot product) owned by drini

scalar square (in dot product) owned by drini

scalar triple product (=triple scalar product) owned by slider142

scale convolution (=logarithmic convolution) owned by swiftset

scale factor (in type of a distribution function) owned by CWoo

scale family (in type of a distribution function) owned by CWoo

scalene (=scalene triangle) owned by Wkbj79

scalene triangle owned by Wkbj79

scale parameter (=type of a distribution function) owned by CWoo

scaling (=affine transformation) owned by matte

scaling function (in multiresolution analysis) owned by swiftset

scaling of the open ball in a normed vector space owned by matte

scattered (in scattered space) owned by CWoo

scattered line (in scattered space) owned by CWoo

scattered set (in scattered space) owned by CWoo

scattered space owned by CWoo

scenario owned by PrimeFan

Schaar's identity (=Landsberg-Schaar relation) owned by mathcam

Schanuel conjecture (=Schanuel's conjecture) owned by mathcam

Schanuel's conjecture owned by mathcam

Schanuel's Lemma (in projective equivalence) owned by CWoo

Schauder basis (=countable basis) owned by djao

Schauder basis and approximation by finite rank operators (in approximation property) owned by asteroid

Schauder fixed point theorem owned by paolini

proof of Schauder fixed point theorem owned by asteroid

Scheffé's theorem owned by Koro

scheme owned by djao

Schinzel's Hypothesis H owned by jtolliver

Schinzel's theorem owned by alozano

schlicht function (=schlicht functions) owned by jirka

schlicht functions owned by jirka

Schnirelmann density owned by bbukh

Schnitt (=Dedekind cuts) owned by rmilson

Schock Prize owned by PrimeFan

schönfinkeling (=currying) owned by mps

schönfinkelization (=currying) owned by mps

Schooten theorem owned by mathcam

Schreier domain owned by CWoo

Schreier index formula owned by yark

Schreier refinement theorem owned by yark

Schreier-Sims (=Schreier's lemma) owned by Algeboy

Schreier's lemma owned by Algeboy

example of Schreier's Lemma owned by Algeboy

Schröder-Bernstein theorem owned by yark

Schrödinger operator owned by mhale

Schrödinger's equation (=Schrödinger's wave equation) owned by Cosmin

Schrödinger's wave equation owned by Cosmin

Schroeder-Bernstein theorem (=Schröder-Bernstein theorem) owned by yark

Schröeder Bernstein Theorem: Proof owned by sauravbhaumik

proof of Schroeder-Bernstein theorem owned by mps

proof of Schroeder-Bernstein theorem using Tarski-Knaster theorem owned by kompik

Schur complement owned by georgiosl

Schur decomposition owned by Daume

proof of Schur decomposition owned by mps

Schur function (in Schur polynomial) owned by mps

Schur polynomial owned by mps

Schur's condition for a matrix to be a bounded operator on $l^2$

owned by Gorkem

Schur's inequality owned by matte

Schur's inequality owned by rspuzio

proof of Schur's inequality owned by Andrea Ambrosio

Schur's lemma owned by rmilson

Schur's Lemma (=Schur's condition for a matrix to be a bounded operator on ) owned by Gorkem

Schur's Lemma for infinite matrices (=Schur's condition for a matrix to be a bounded operator on ) owned by Gorkem

Schützenberger graph (in Schützenberger graph) owned by Mazzu

Schützenberger graph owned by Mazzu

Schwartz space (=space of rapidly decreasing functions) owned by matte

Schwarz (1975) theorem owned by mathcam

Schwarz and Poisson formulas owned by perucho

Schwarz-Christoffel transformation owned by pahio

Schwarz-Christoffel transformation (circular version) owned by stevecheng

Schwarz formula (in Schwarz and Poisson formulas) owned by perucho

Schwarzian derivative owned by alexandros_plus

Schwarz inequality (=Cauchy-Schwarz inequality) owned by drini

Schwarz lemma owned by Koro

proof of Schwarz lemma owned by Mathprof

Schwarz reflection principle owned by jirka

Schwarz reflection theorem (=Schwarz reflection principle) owned by jirka

Schwarz' transformation (=Schwarz-Christoffel transformation) owned by pahio

scientific calculator owned by PrimeFan

scientific notation owned by PrimeFan

-circuit (in (closed) walk / trek / trail / path) owned by marijke

scissor-equivalent (in Dehn's theorem) owned by paolini

scope (in quantifier) owned by CWoo

score (=score function) owned by CWoo

score function owned by CWoo

score statistic (=score function) owned by CWoo

Scott continuous owned by CWoo

Scott open (in Scott topology) owned by CWoo

Scott topology owned by CWoo

-cycle (in (closed) walk / trek / trail / path) owned by marijke

SDE (=stochastic differential equation) owned by stevecheng

SD-group (in descending series) owned by yark

SDP (in factoring a sum or difference of two cubes) owned by Wkbj79

S.D.P. (in factoring a sum or difference of two cubes) owned by Wkbj79

SDR (=system of distinct representatives) owned by vampyr

search problem owned by Henry

search tree owned by Mathprof

secant (in definitions in trigonometry) owned by Daume

secant (=secant line) owned by Mathprof

secant (in trigonometry) owned by rm50

secant line owned by Mathprof

secant method owned by bloftin

secant of the curve (=secant line) owned by Mathprof

secant to the curve (=secant line) owned by Mathprof

sech (in hyperbolic functions) owned by mathwizard

second axiom of countability (=second countable) owned by rspuzio

second category (=meager) owned by Koro

second countability is hereditary owned by matte

second countable owned by rspuzio

second derivative (in higher order derivatives) owned by PrimeFan

second derivative test (in relations between Hessian matrix and local extrema) owned by bshanks

second derived subgroup (in derived subgroup) owned by yark

second form of Cauchy integral theorem owned by pahio

derivation of second formula for surface integration with respect to area owned by rspuzio

second fundamental form owned by stevecheng

second fundamental theorem of calculus (=fundamental theorems of calculus for Lebesgue integration) owned by mathcam

second fundamental theorem of calculus (Riemann integral) (in fundamental theorem of calculus for Riemann integration) owned by asteroid

Second Fundamental Theorem of Projective Geometry (in perspectivity) owned by CWoo

second isomorphism theorem owned by djao

proof of second isomorphism theorem for groups owned by yark

proof of second isomorphism theorem for rings owned by smw

second-order (=second order logic) owned by Henry

second order (=second order logic) owned by Henry

second order (in recurrence relation) owned by rspuzio

second order arithmetic (in ) owned by Henry

second-order language (in second order logic) owned by Henry

second order language (in second order logic) owned by Henry

second order linear differential equation with constant coefficients owned by Mathprof

second-order logic (=second order logic) owned by Henry

second order logic owned by Henry

second order tensor: symmetric and skew-symmetric parts owned by rspuzio

second order theory (in second order logic) owned by Henry

second-order theory (in second order logic) owned by Henry

second power (=square) owned by drini

second proof of Wedderburn's theorem owned by Mathprof

second quartile (=median of a distribution) owned by CWoo

second-stage cluster sampling (in cluster sampling) owned by CWoo

section (in sheaf) owned by djao

section (in vector bundle) owned by rspuzio

section (=section of a fiber bundle) owned by antonio

section (in properties of well-ordered sets) owned by GrafZahl

section (in types of morphisms) owned by kompik

section (in operations on relations) owned by CWoo

section (in monic) owned by rspuzio

section (=section of a group) owned by yark

sectional curvature owned by juanman

sectional curvature determines Riemann curvature tensor owned by kerwinhui

sectionally complemented (in sectionally complemented lattice) owned by CWoo

sectionally complemented lattice owned by CWoo

section filter owned by CWoo

section of a fiber bundle owned by antonio

section of a group owned by yark

sector (=sector of a circle) owned by CWoo

sector of a circle owned by CWoo

sedenion (in Cayley-Dickson construction) owned by CWoo

seed number (in Pythagorean triplet) owned by drini

segment (in interval) owned by PrimeFan

Segre embedding (=Segre map) owned by halu

Segre map owned by halu

Seifert fiber space owned by juanman

Seifert-Van Kampen theorem (=Van Kampen's theorem) owned by RonaldBrown

selection sort owned by mathcam

selector owned by porton

self-adjoint (=self-dual) owned by rmilson

self-adjoint (=Hermitian matrix) owned by matte

self-adjoint (in self-adjoint operator) owned by Koro

self-adjoint (=involutory ring) owned by CWoo

self-adjoint element (in involutory ring) owned by CWoo

self-adjoint operator owned by Koro

self-consistent (in self consistent matrix norm) owned by rspuzio

self consistent (in self consistent matrix norm) owned by rspuzio

self-consistent matrix norm (in self consistent matrix norm) owned by rspuzio

self consistent matrix norm owned by rspuzio

self-consistent norm (in self consistent matrix norm) owned by rspuzio

self consistent norm (in self consistent matrix norm) owned by rspuzio

self descriptive number (=self-descriptive number) owned by PrimeFan

self-descriptive number owned by PrimeFan

self-dual owned by rmilson

self-dual (in dual code) owned by GrafZahl

self-dual statement (in duality principle) owned by mathcam

self equivalence (in deck transformation) owned by mathcam

self-equivalence. (in deck transformation) owned by mathcam

self-homeomorphism (in homeomorphism) owned by rspuzio

self-intersections of a curve owned by mike

self-normalizing (in normalizer) owned by yark

self number owned by CompositeFan

self-number (=self number) owned by CompositeFan

examples of self numbers in a few selected bases owned by PrimeFan

self-orthogonal (in dual code) owned by GrafZahl

self-reducible owned by Henry

self-similar fractals owned by paolini

Selmer group owned by alozano

Selmer group (in Selmer group) owned by alozano

semantics (in logic) owned by Henry

semialgebraic (in semialgebraic set) owned by jirka

semialgebraic set owned by jirka

semianalytic (in subanalytic set) owned by jirka

semianalytic function (in subanalytic set) owned by jirka

semianalytic mapping (in subanalytic set) owned by jirka

semianalytic set (in subanalytic set) owned by jirka

semiautomata (in semiautomaton) owned by CWoo

semiautomaton owned by CWoo

semiclosed (in ordered space) owned by CWoo

semicomplete (=complete uniform space) owned by CWoo

semi-complete (=complete uniform space) owned by CWoo

semi-confluent (in confluence) owned by CWoo

semi-continuous owned by drini

semicontinuous (=semi-continuous) owned by drini

semicontinuous owned by bwebste

semi-direct factor and quotient group owned by yark

semidirect product (=semidirect product of groups) owned by djao

semi-direct product (=semidirect product of groups) owned by djao

semidirect product of groups owned by djao

examples of semidirect products of groups owned by rm50

semi-Euclidean geometry (in non-Euclidean geometry) owned by Wkbj79

semifield owned by CWoo

semi-Fredholm operator owned by mhale

semigroup owned by djao

semigroup (in biops) owned by HkBst

*-semigroup (=semigroup with involution) owned by Mazzu

semigroup graded ring (in graded ring) owned by aplant

semigroup homomorphism (in semigroup) owned by djao

semigroup of transformations owned by mclase

semigroup with involution (in semigroup with involution) owned by Mazzu

semigroup with involution owned by Mazzu

semigroup with two elements owned by rspuzio

semihereditary module (in semihereditary ring) owned by CWoo

semihereditary ring owned by CWoo

semi inner product (=semi-inner product) owned by asteroid

semi-inner product owned by asteroid

semi-inner product space (in semi-inner product) owned by asteroid

semilattice owned by mclase

semilattice congruence (in semilattice decomposition of a semigroup) owned by mclase

semilattice decomposition of a semigroup owned by mclase

semilattice filter (in order ideal) owned by CWoo

semilattice ideal (in order ideal) owned by CWoo

a semilattice is a commutative band owned by mclase

semi-linear map (=semilinear transformation) owned by Algeboy

semilinear map (=semilinear transformation) owned by Algeboy

semilinear transform (in semilinear transformation) owned by Algeboy

semilinear transform (=semilinear transformation) owned by Algeboy

semi-linear transformation (=semilinear transformation) owned by Algeboy

semilinear transformation owned by Algeboy

semilocally 1-connected (=semilocally simply connected) owned by djao

semilocally simply connected owned by djao

example of a semilocally simply connected space which is not locally simply connected owned by antonio

semilocal ring (=semi-local ring) owned by mathcam

semi-local ring owned by mathcam

semimetric owned by Koro

semimodular lattice owned by mps

semi-norm (=seminorm) owned by rmilson

seminorm owned by rmilson

semiorder (=pre-order) owned by yark

semi-order (=pre-order) owned by yark

semiordered (in pre-order) owned by yark

semi-ordered (in pre-order) owned by yark

semiordering (=pre-order) owned by yark

semi-ordering (=pre-order) owned by yark

semiotic congruence (=semiotic equivalence relation) owned by Jon Awbrey

semiotic equation (in semiotic equivalence relation) owned by Jon Awbrey

semiotic equivalence (in sign relation) owned by Jon Awbrey

semiotic equivalence (in semiotic equivalence relation) owned by Jon Awbrey

semiotic equivalence class (in semiotic equivalence relation) owned by Jon Awbrey

semiotic equivalence relation owned by Jon Awbrey

semiotic partition (in semiotic equivalence relation) owned by Jon Awbrey

semiperfect number owned by CompositeFan

semiperimeter owned by Wkbj79

semi-prime (=semiprime) owned by drini

semiprime owned by drini

semiprime (in semiprime ideal) owned by antizeus

semiprime ideal owned by antizeus

semiprime ring (in semiprime ideal) owned by antizeus

semiprimitive (in semiprimitive ring) owned by yark

semi-primitive (in semiprimitive ring) owned by yark

semi-primitive ring (=semiprimitive ring) owned by yark

semiprimitive ring owned by yark

examples of semiprimitive rings owned by yark

semi-primitivity (in semiprimitive ring) owned by yark

semiprimitivity (in semiprimitive ring) owned by yark

semipseudometric (=generalization of a pseudometric) owned by CWoo

semi-pseudometric (in generalization of a pseudometric) owned by CWoo

semi-pseudometric space (in generalization of a pseudometric) owned by CWoo

semipseudometric space (=generalization of a pseudometric) owned by CWoo

semi-recursive (=recursively enumerable) owned by ariels

semi-recursive (in recursively enumerable) owned by ariels

semiring owned by mps

semirp (in emirp) owned by PrimeFan

semisimple (in completely reducible) owned by Mathprof

semisimple (in radical theory) owned by mclase

semi-simple (in simple and semi-simple Lie algebras) owned by mathcam

semisimple (in simple and semi-simple Lie algebras) owned by mathcam

semi-simple (in semiprimitive ring) owned by yark

semisimple (in semiprimitive ring) owned by yark

semisimple (in semisimple ring) owned by CWoo

semisimple (=completely reducible) owned by Mathprof

semisimple group owned by Algeboy

semi-simple group (in semisimple group) owned by Algeboy

semisimple group (in semisimple group) owned by Algeboy

semisimple Lie algebra (in simple and semi-simple Lie algebras) owned by mathcam

semi-simple Lie algebra (in simple and semi-simple Lie algebras) owned by mathcam

semisimple ring owned by CWoo

semi-simple ring (=semiprimitive ring) owned by yark

semisimple ring (=semiprimitive ring) owned by yark

semi-Thue generable (=semi-Thue system) owned by CWoo

semi-Thue production (in semi-Thue system) owned by CWoo

semi-Thue system owned by CWoo

semiuniform (=generalization of a uniformity) owned by CWoo

semi-uniform (=generalization of a uniformity) owned by CWoo

semi-uniformity (in generalization of a uniformity) owned by CWoo

semiuniformity (=generalization of a uniformity) owned by CWoo

semiuniform space (=generalization of a uniformity) owned by CWoo

semi-uniform space (in generalization of a uniformity) owned by CWoo

Senior Whitehead Prize (in Whitehead Prize) owned by PrimeFan

sense-preserving (in sense-preserving mapping) owned by jirka

sense-preserving mapping owned by jirka

sense-reversing (in sense-preserving mapping) owned by jirka

sentence owned by Henry

sentential calculus (=zeroth order logic) owned by Jon Awbrey

sentential logic (=zeroth order logic) owned by Jon Awbrey

separability is required for integral closures to be finitely generated owned by rm50

separable (in Chu space) owned by Henry

separable (in separable) owned by djao

separable owned by djao

separable (in separable space) owned by yark

separable closure owned by djao

separable extension (in separable) owned by djao

separable polynomial (in separable) owned by djao

separable space owned by yark

separable topological space (=separable space) owned by yark

separably algebraically closed (in separably algebraically closed field) owned by polarbear

separably algebraically closed field owned by polarbear

separated owned by matte

separated (in separated scheme) owned by djao

separated proximity space (in proximity space) owned by CWoo

separated scheme owned by djao

separated uniform space owned by CWoo

separating (=separated uniform space) owned by CWoo

separating hyperplane (=hyperplane separation) owned by stevecheng

separating solution owned by Daume

separation (=comprehension axiom) owned by Henry

separation (=axiom schema of separation) owned by Sabean

separation axiom (=comprehension axiom) owned by Henry

separation axioms owned by Koro

separation of variables owned by slider142

separation properties (=separation axioms) owned by Koro

separation schema (=axiom schema of separation) owned by Sabean

septahedron (=heptahedron) owned by CWoo

septuplet (in ordered tuplet) owned by rspuzio

sequence owned by djao

sequence of nth roots of n (=limit of nth root of n) owned by pahio

sequence of sets convergence owned by Andrea Ambrosio

sequence of tuples (=data stream) owned by michal

sequences $b^{2n}-1$ and $b^{2n-1}+1$ are divisible by $b+1$

owned by perucho

sequent owned by Henry

sequential characterization of boundedness owned by bwebste

sequential compactness (=sequentially compact) owned by mps

sequentially compact owned by mps

sequentially complete (in complete uniform space) owned by CWoo

sequentially computable (in computable real function) owned by rspuzio

sequentially continous implies continuous in a first-countable space owned by ehremo

sequentially continuous owned by ehremo

sequential machine (in state machine) owned by CWoo

series owned by mathwizard

series inversion owned by stevecheng

series of reciprocals of primes (=prime harmonic series) owned by Cosmin

serpent lemma (=snake lemma) owned by mps

proof of serpent lemma (=proof of snake lemma) owned by mps

Serre duality owned by mps

Serre relations (in root system underlying a semi-simple Lie algebra) owned by rmilson

Serre's twisting theorem owned by bwebste

Serre-Swan theorem owned by mhale

Serret-Frenet equations owned by rmilson

Serret-Frenet equations in $\mathbb{R}^2$ owned by rspuzio

Serret-Frenet formulas (=Serret-Frenet equations) owned by rmilson

sesquilinear form (=Hermitian form) owned by djao

sesqui-linear form (=Hermitian form) owned by djao

sesquilinear form (in sesquilinear forms over general fields) owned by Algeboy

sesquilinear forms over general fields owned by Algeboy

set owned by Mathprof

set closed under an operation owned by archibal

set derivative (=Cantor-Bendixson derivative) owned by CWoo

set difference owned by yark

set function (in minimal and maximal number) owned by pahio

set inclusion (in subset) owned by Wkbj79

set is unramified at a valuation (=unramified action) owned by alozano

the set of all real transcendental numbers is uncountable owned by gilbert_51126

the set of prime ideals of a commutative ring with identity owned by bwebste

set of sampling owned by swiftset

set of sampling (in set of sampling) owned by swiftset

SetOfSets (=collection) owned by porton

proof that the set of sum-product numbers in base 10 is finite owned by Mravinci

proof that the set of sum-product numbers in base 2 is finite owned by Mravinci

set of witnesses (in models constructed from constants) owned by ratboy

set partition (=partition) owned by Wkbj79

set relation algebra (in relation algebra) owned by CWoo

sets that do not have an infimum owned by sleske

sets where sequence of continuous functions diverge owned by yotam

set symmetric difference (=symmetric difference) owned by CWoo

set theory owned by mathwizard

seven-segment display owned by PrimeFan

Seventeen or Bust owned by PrimeFan

several complex variables owned by jirka

sextic equation owned by mathcam

sextic polynomial (=sextic equation) owned by mathcam

sextuplet (in ordered tuplet) owned by rspuzio

S-graded ring (=graded ring) owned by aplant

shadow (in pseudo-orbit) owned by Koro

shadow (in incidence geometry) owned by CWoo

shadowed (in pseudo-orbit) owned by Koro

shadowing (in pseudo-orbit) owned by Koro

shadowing lemma owned by Koro

Shafarevich's theorem owned by alozano

Shanks-Tonelli algorithm owned by mathcam

Shannon entropy (=Shannon's entropy) owned by kshum

Shannon's entropy owned by kshum

Shantha prime owned by akdevaraj

shape operator owned by juanman

Shapiro inequality owned by Koro

Shapiro's inequality (=Shapiro inequality) owned by Koro

Sharkovskii's ordering (in Sharkovskii's theorem) owned by Koro

Sharkovskii's theorem owned by Koro

Sharkovsky's theorem (=Sharkovskii's theorem) owned by Koro

Sharkovsky's theorem (in Sharkovskii's theorem) owned by Koro

sharply multiply transitive owned by mathcam

sharply

-transitive (=sharply multiply transitive) owned by mathcam

sheaf owned by archibal

sheaf owned by djao

sheaf cohomology owned by mathcam

sheafification owned by djao

sheafification owned by archibal

sheafification (in sheafification) owned by archibal

sheaf isomorphism (in sheaf) owned by djao

sheaf of meromorphic functions owned by archibal

sheaf of relations (in coherent analytic sheaf) owned by jirka

sheaf of sections (in vector bundle) owned by rspuzio

Sheaf of Sections (in sheaf of sections) owned by guffin

sheaf of sections owned by guffin

sheaves (=sheaf) owned by archibal

Sheffer stroke (in logical connective) owned by mps

Sheila Macintyre (=Sheila Scott Macintyre) owned by Mravinci

Sheila Scott (=Sheila Scott Macintyre) owned by Mravinci

Sheila Scott Macintyre owned by Mravinci

Sherman-Morrison formula (=matrix inversion lemma) owned by kronos

shift-invariant (in time invariant) owned by Mathprof

shift operators in $\ell^p$ owned by matte

Shioda-Tate formula owned by alozano

Shnirel'man density (=Schnirelmann density) owned by bbukh

Shnirelman density (=Schnirelmann density) owned by bbukh

short 5-lemma (=5-lemma) owned by mathcam

a shorter proof: Martin's axiom and the continuum hypothesis owned by x_bas

short exact sequence owned by antizeus

short five lemma (=5-lemma) owned by mathcam

Shri Dattathreya Ramachandra Kaprekar owned by Mravinci

shuffle (= shuffle) owned by mathcam

shunting yard algorithm owned by Mravinci

side (in angle) owned by CWoo

side (in polygon) owned by Mathprof

side (in polygon) owned by Wkbj79

side (in equation) owned by pahio

side line (in cylinder) owned by stevecheng

side-lines (in polygon) owned by Mathprof

side of line (in ordered geometry) owned by CWoo

side vector (in parallelogram principle) owned by pahio

Sidon sequence (=Sidon set) owned by bbukh

Sidon set owned by bbukh

Siegel-Klingen Theorem owned by alozano

Siegel's axiom owned by mathwizard

Siegel's theorem owned by alozano

Siegel's theorem on primes in arithmetic progressions owned by rm50

Sierpinski carpet (in Menger sponge) owned by mathwizard

Sierpinski conjecture (=Sierpiński conjecture) owned by yark

Sierpiński conjecture owned by yark

Sierpinski Erdős egyptian fraction conjecture owned by CWoo

Sierpiński Erdős egyptian fraction conjecture (=Sierpinski Erdős egyptian fraction conjecture) owned by CWoo

Sierpiński gasket owned by mathwizard

Sierpinski gasket (=Sierpiński gasket) owned by mathwizard

Sierpiński number (in Sierpinski number) owned by CWoo

Sierpinski number owned by CWoo

Sierpiński space (=Sierpinski space) owned by CWoo

Sierpinski space owned by CWoo

Sierpinski triangle (=Sierpiński gasket) owned by mathwizard

Sierpiński triangle (=Sierpiński gasket) owned by mathwizard

sieve of Eratosthenes owned by bbukh

sieve of Eratosthenes owned by mathcam

sift (in transversals / lifts / sifts) owned by Algeboy

$\sigma_1$ function (= $\sigma$ function) owned by CompositeFan

$\sigma$ -additive (in additive) owned by Andrea Ambrosio

sigma-additive (in additive) owned by Andrea Ambrosio

$\sigma$ -additive (in measure) owned by djao

$\sigma$ -algebra owned by drini

$\sigma$ algebra (= $\sigma$ -algebra) owned by yark

sigma algebra (= $\sigma$ -algebra) owned by yark

$\sigma$ -algebra owned by yark

sigma-algebra (= $\sigma$ -algebra) owned by yark

$\sigma$ -algebra generated by a random variable owned by PrimeFan

$\sigma$ compact (= $\sigma$ -compact) owned by Koro

sigma compact (= $\sigma$ -compact) owned by Koro

sigma-compact (= $\sigma$ -compact) owned by Koro

$\sigma$ -compact owned by Koro

delta constant sigma owned by antizeus

sigma derivation owned by antizeus

$\sigma$ field (= $\sigma$ -algebra) owned by yark

sigma field (= $\sigma$ -algebra) owned by yark

sigma-field (= $\sigma$ -algebra) owned by yark

$\sigma$ -field (= $\sigma$ -algebra) owned by yark

sigma finite (= $\sigma$ -finite) owned by Koro

sigma-finite (= $\sigma$ -finite) owned by Koro

$\sigma$ finite (= $\sigma$ -finite) owned by Koro

$\sigma$ -finite owned by Koro

sigma function (=Weierstrass sigma function) owned by alozano

$\sigma$ function owned by CompositeFan

sigma-infinite (in $\sigma$ -finite) owned by Koro

$\sigma$ -infinite (in $\sigma$ -finite) owned by Koro

sigma matrices (=Pauli matrices) owned by invisiblerhino

sigma n (in arithmetical hierarchy) owned by CWoo

sigma-n (in arithmetical hierarchy) owned by CWoo

sigma notation (=summation) owned by drini

sigma--ring of sets owned by Mathprof

$\sigma$ -strong-* operator topology (in operator topologies) owned by asteroid

$\sigma$ -strong operator topology (in operator topologies) owned by asteroid

$\sigma$ -weak operator topology (in operator topologies) owned by asteroid

signature (in signature of a permutation) owned by rspuzio

signature (in Sylvester's law) owned by rspuzio

signature (=algebraic system) owned by CWoo

signature owned by CWoo

signature of a permutation owned by rspuzio

signed measure owned by Koro

significance level (in hypothesis testing) owned by CWoo

sign of a permutation (=signature of a permutation) owned by rspuzio

sign relation owned by Jon Awbrey

sign relational complex owned by Jon Awbrey

sign rules for products (=factors with minus sign) owned by pahio

signum function owned by mathcam

Sikorski extension theorem (=Sikorski's extension theorem) owned by CWoo

Sikorski's extension theorem owned by CWoo

silver constant (=plastic constant) owned by Mravinci

Silverman sequence (=Golomb's sequence) owned by PrimeFan

Silverman's sequence (=Golomb's sequence) owned by PrimeFan

Silverman-Toeplitz theorem owned by rspuzio

proof of Silverman-Toeplitz theorem owned by rspuzio

silver number (=plastic constant) owned by Mravinci

silver ratio owned by PrimeFan

silver rectangle owned by PrimeFan

similar (in similar matrix) owned by Wkbj79

similar (in similarity in geometry) owned by pahio

similarity (=similarity in geometry) owned by pahio

similarity in geometry owned by pahio

similarity of triangles owned by pahio

similarity transformation (=similar matrix) owned by Wkbj79

similar matrices (=similar matrix) owned by Wkbj79

similar matrix owned by Wkbj79

similar triangles (=similarity of triangles) owned by pahio

$\sim$ is an equivalence relation owned by Wkbj79

Simon Donaldson owned by PrimeFan

Simon Kirwan Donaldson (=Simon Donaldson) owned by PrimeFan

Simon Stevin owned by PrimeFan

simple (in simple group) owned by yark

simple (in simple semigroup) owned by mclase

simple (in simple and semi-simple Lie algebras) owned by mathcam

simple (=simple algebraic system) owned by CWoo

simple abstraction (=prescisive abstraction) owned by Jon Awbrey

simple algebra (in simple algebraic system) owned by CWoo

simple algebraic system owned by CWoo

simple and semi-simple Lie algebras owned by mathcam

simple boundary point owned by jirka

simple closed curve (in curve) owned by rmilson

simple continued fraction (in continued fraction) owned by PrimeFan

simple curve (in curve) owned by rmilson

simple design (in incidence structure) owned by marijke

simple example of composed conformal mapping owned by pahio

simple extension (=field adjunction) owned by pahio

simple field extension owned by pahio

simple function (in Lebesgue integral) owned by djao

simple function owned by mps

simple graph (in graph) owned by mathcam

simple group owned by yark

simple infinite field extension (=simple transcendental field extension) owned by pahio

simple interest owned by CWoo

simple Lie algebra (in simple and semi-simple Lie algebras) owned by mathcam

a simple method for comparing real functions owned by Andrea Ambrosio

simple module owned by bwebste

simple path owned by mps

simple point (in analytic set) owned by jirka

simple Poisson process (in Poisson process) owned by CWoo

simple pole owned by bwebste

simple polygon (in polygon) owned by Mathprof

simple polyhedron (in polyhedron) owned by Mathprof

simple random sample owned by CWoo

simple random walk (in random walk) owned by CWoo

examples of simple recurrence relations owned by PrimeFan

simple regression model (in regression model) owned by CWoo

simple ring owned by antizeus

simple root owned by mathcam

simple semigroup owned by mclase

simple subdivision (in graph homeomorphism) owned by Ziosilvio

simple tensor owned by lars_h

simple theory of types (in Russell's theory of types) owned by Aatu

simple transcendental field extension owned by pahio

simple type theory (in Russell's theory of types) owned by Aatu

simple way (in polygon) owned by Mathprof

simplex algorithm owned by Mathprof

simplex method (=simplex algorithm) owned by Mathprof

simple zero (in multiplicity) owned by pahio

simplicial approximation owned by Mathprof

simplicial approximation theorem owned by Mathprof

simplicial category owned by mhale

simplicial cohomology (in simplicial complex) owned by djao

simplicial complex owned by djao

simplicial homology (in simplicial complex) owned by djao

simplicial map (in simplicial mapping) owned by Mathprof

simplicial mapping owned by Mathprof

simplicial object owned by mhale

simplicial set (in simplicial object) owned by mhale

simplicity of the alternating groups owned by rmilson

simply connected owned by CWoo

simply normal (=normal number) owned by AxelBoldt

simply normal number (in normal number) owned by AxelBoldt

simply transitive owned by benjaminfjones

Simpson's 3/8 rule owned by Daume

Simpson's formulas (=Prosthaphaeresis formulas) owned by mathfanatic

Simpson's paradox owned by CWoo

Simpson's rule owned by drini

proof of Simpson's rule owned by drini

Simson's line owned by drini

proof of Simson's line owned by giri

simultaneous block-diagonalization of upper triangular commuting matrices owned by lars_h

simultaneous converging or diverging of product and sum theorem owned by Johan

proof of Simultaneous converging or diverging of product and sum theorem owned by Johan

simultaneous resolution theorem (=horseshoe lemma) owned by mps

simultaneous triangularisation of commuting matrices over any field owned by lars_h

simultaneous upper triangular block-diagonalization of commuting matrices owned by lars_h

sinc function owned by mathcam

sinc is

owned by cvalente

sinc is not $L^1$

owned by cvalente

sine (in complex sine and cosine) owned by pahio

sine (in cyclometric functions) owned by pahio

sine (in definitions in trigonometry) owned by Daume

sine (in trigonometry) owned by rm50

sine cardinal (=sinc function) owned by mathcam

sine integral owned by pahio

sine integral (in sine integral) owned by pahio

sine integral at infinity owned by pahio

sine qua non (in terms from foreign languages used in mathematics (html version)) owned by Wkbj79

sine series (in Fourier sine and cosine series) owned by pahio

sines law owned by drini

sines law proof owned by drini

single-digit range voting (in range voting) owned by Mathprof

single-stage cluster sampling (in cluster sampling) owned by CWoo

singleton owned by Koro

singly even number owned by CompositeFan

singular (in singular measure) owned by Koro

singular owned by Mathprof

singular (in cofinality) owned by yark

singular cardinal (in cofinality) owned by yark

singular function (in singular function) owned by jirka

singular function owned by jirka

singular homology (=homology) owned by mathcam

singular hypersurface (in hypersurface) owned by jirka

singular inner function (in inner function) owned by jirka

singular measure owned by Koro

singular n-chain (in homology) owned by mathcam

singular n-simplex (in homology) owned by mathcam

singular point (=equilibrium point) owned by Daume

singular point (in analytic set) owned by jirka

singular point (in nonsingular variety) owned by CWoo

singular point (in real analytic subvariety) owned by jirka

singular points of plane curve owned by pahio

singular set owned by mathcam

singular transformation (=singular) owned by Mathprof

singular value (=singular value decomposition) owned by akrowne

singular value decomposition owned by akrowne

singular vector (=singular value decomposition) owned by akrowne

sinh (in hyperbolic functions) owned by mathwizard

sink (in hyperbolic fixed point) owned by Koro

sink (in flow) owned by bgins

sink (in second order linear differential equation with constant coefficients) owned by Mathprof

sink (in source) owned by kompik

sinus integralis (=sine integral) owned by pahio

sinus integralis (in sine integral) owned by pahio

sinusoid owned by matte

Sir Andrew John Wiles (=Andrew Wiles) owned by PrimeFan

site owned by mathcam

six exponentials theorem owned by Kevin OBryant

size (in matrix) owned by bbukh

size (=cardinality) owned by yark

size (=size (of a graph)) owned by mps

size (of a graph) owned by mps

size of maximal independent set and chromatic number owned by kshum

skeleta (in CW complex) owned by antonio

skeletal (in skeleton) owned by CWoo

skeletal subcategory (=skeleton) owned by CWoo

skeleton (in CW complex) owned by antonio

skeleton owned by CWoo

skew-angled coordinate (in transition to skew-angled coordinates) owned by pahio

skew cylinder (in cylinder) owned by stevecheng

skew derivation owned by antizeus

Skewes number (=Skewes' number) owned by PrimeFan

Skewes' number owned by PrimeFan

Skewes's number (=Skewes' number) owned by PrimeFan

skew field (=division ring) owned by djao

skew Hadamard matrix owned by Mathprof

skew Hermitian form (in Hermitian form over a division ring) owned by CWoo

skew-Hermitian matrix owned by matte

skew lines (in distance of non-parallel lines) owned by pahio

skewness (in moment) owned by CWoo

skew polynomial ring owned by antizeus

skew prism (in cylinder) owned by stevecheng

skew symmetric (in skew-symmetric bilinear form) owned by sleske

skew-symmetric (=antisymmetric) owned by rmilson

skew-symmetric bilinear form owned by sleske

skew symmetric element (in involutory ring) owned by CWoo

skew-symmetric mapping (=antisymmetric) owned by rmilson

skew-symmetric matrix owned by Daume

skew-symmetric multilinear function (in symmetric multilinear function) owned by Mathprof

Skolem constant (in Skolemization) owned by Henry

Skolem function (in Skolemization) owned by Henry

Skolemization owned by Henry

SL (=special linear group) owned by djao

sl_2 (in representation theory of $\mathfrak{sl}_2 \mathbb{C}$ ) owned by benjaminfjones

slack (in tight) owned by mps

slant (=angle between line and plane) owned by pahio

SL(F3) (= $\mathit{SL}_2(F_3)$ ) owned by drini

slice category (=comma category) owned by CWoo

Sloane-Erdős conjecture on multiplicative digital root (=Sloane's conjecture on multiplicative digital root) owned by CompositeFan

Sloane's conjecture on multiplicative digital root owned by CompositeFan

slope owned by pahio

slope angle owned by Wkbj79

slope-intercept form (in line in plane) owned by matte

proof that the slope of a line is well-defined owned by Dr_Absentius

slower convergent series owned by pahio

slower divergent series owned by pahio

proof of slower divergent series owned by rspuzio

SLP (in straight-line program) owned by Algeboy

SLP representation (in straight-line program) owned by Algeboy

Smale's

-cobordism theorem owned by bwebste

Smale's $\Omega$ -stability theorem (= $\Omega$ -stability theorem) owned by Koro

Smale's spectral decomposition theorem owned by Koro

small category (in $\mathcal{U}$ -small) owned by mathcam

small dilatation (in quasiconformal mapping) owned by jirka

smallest integer function (=ceiling) owned by yark

smallest integer greater than or equal to (=ceiling) owned by yark

smallest normal subgroup containing (=normal closure) owned by yark

smallest spanning tree (=minimum spanning tree) owned by mathcam

small integers that are or might be the largest of their kind owned by Mravinci

small o (=formal definition of Landau notation) owned by paolini

small-o (in Landau notation) owned by Mathprof

small-omega (in Landau notation) owned by Mathprof

small perturbation (in near operators) owned by mathcam

small site on a scheme owned by rspuzio

Smarandache (=Florentin Smarandache) owned by Torquemada

Smarandache constant owned by dankomed

Smarandache function owned by dankomed

Smarandache Function Journal (in Smarandache Notions Journal) owned by PrimeFan

Smarandache geometries owned by jonnathan

Smarandache Notions Journal owned by PrimeFan

Smarandache n-structure owned by jonnathan

Smarandache-Wellin number owned by CompositeFan

Smarandache-Wellin prime owned by PrimeFan

examples of Smarandache-Wellin primes in a few selected bases owned by PrimeFan

smarandachian (in Florentin Smarandache) owned by Torquemada

Smirnov metrization theorem owned by rm50

Smith normal form owned by Mathprof

example of Smith normal form owned by aoh45

Smith number owned by CompositeFan

smooth (in differentiable function) owned by Koro

smooth analytic curve (=analytic curve) owned by jirka

smooth function (=differentiable function) owned by Koro

smooth functions with compact support owned by matte

smooth hypersurface (in hypersurface) owned by jirka

smooth linear partial differential equation without solution owned by jirka

smooth manifold (=manifold) owned by matte

smooth map (=differentiable function) owned by Koro

smooth mapping (=differentiable function) owned by Koro

smooth number owned by bbukh

smooth section (in section of a fiber bundle) owned by antonio

smooth structure (in manifold) owned by matte

smooth submanifold (in submanifold) owned by jirka

smooth submanifold contained in a subvariety of same dimension is real analytic owned by jirka

snake lemma owned by mps

proof of snake lemma owned by mps

snark (in Vizing's theorem) owned by marijke

SNCF metric owned by GrafZahl

sober space owned by CWoo

Sobolev conjugate (in Sobolev inequality) owned by paolini

Sobolev embedding (=Sobolev inequality) owned by paolini

Sobolev exponent (in Sobolev inequality) owned by paolini

Sobolev function (=Sobolev space) owned by paolini

sobolev immersion (=Sobolev inequality) owned by paolini

Sobolev inequality owned by paolini

proof of Sobolev inequality for $\Omega=\mathbf{R}^n$ owned by vanschaf

Sobolev space owned by paolini

socks and shoes rule (=inverse of composition of functions) owned by Wkbj79

socle owned by CWoo

socle (in group socle) owned by Algeboy

socle (=group socle) owned by Algeboy

Sofia Kovalevskaya owned by Mravinci

Sofia Vasilevna Korvin-Krukovskaya (=Sofia Kovalevskaya) owned by Mravinci

Sofia Vasilevna Kovalevskaia (=Sofia Kovalevskaya) owned by Mravinci

Sofia Vasilyevna Kovalevskaya (=Sofia Kovalevskaya) owned by Mravinci

Sof'ja Aleksandrovna Janovskaya (=Sofya Yanovskaya) owned by Mravinci

Sof'ja Janovskaya (=Sofya Yanovskaya) owned by Mravinci

Sofya Aleksandrovna Yanovskaya (=Sofya Yanovskaya) owned by Mravinci

Sofya Yanovskaya owned by Mravinci

sohcahtoa owned by Wkbj79

solenoidal (=solenoidal field) owned by giri

solenoidal field owned by giri

sole sufficient connective (=sole sufficient operator) owned by Jon Awbrey

sole sufficient operator owned by Jon Awbrey

solid (in volume) owned by Wkbj79

solid angle owned by pahio

solid closure (in solid set) owned by CWoo

solid cone (in cone in $\mathbb{R}^3$ ) owned by pahio

solid incidence geometry (in incidence geometry) owned by CWoo

solid of revolution owned by nkirby

solid set owned by CWoo

solidus (in fraction) owned by bwebste

Solitar-Baumslag group (=Baumslag-Solitar group) owned by yark

solitary wave (=soliton) owned by invisiblerhino

soliton owned by invisiblerhino

Solovay-Strassen test owned by mathwizard

soluble group (=solvable group) owned by djao

solution (in equation) owned by pahio

solution of $1/x + 1/y = 1/n$

owned by rspuzio

solution of cubic equation (=Cardano's formulae) owned by pahio

solution of equations by divided difference interpolaton owned by rspuzio

solution of linear ordinary differential equation (=general solution of linear differential equation) owned by pahio

solution of system (in eigenfunction) owned by tensorking

solution of the Levi problem owned by jirka

solutions of $1+x+x^2+x^3=y^2$

owned by rm50

solutions of ordinary differential equation owned by pahio

solution to the Cauchy problem (in Cauchy initial value problem) owned by paolini

solution to the initial value problem (in Cauchy initial value problem) owned by paolini

solvability by radicals (=solvable by radicals) owned by Wkbj79

solvable (in solvable Lie algebra) owned by djao

solvable (=solvable group) owned by djao

solvable algebraically (=algebraically solvable) owned by pahio

solvable by radicals owned by Wkbj79

solvable group owned by djao

solvable Lie algebra owned by djao

solvable polynomial (=solvable by radicals) owned by Wkbj79

example of solving a cubic equation owned by pahio

example of solving a functional equation owned by pahio

solving a time-dependent heat equation (=time-dependent example of heat equation) owned by pahio

solving certain polynomial inequalities owned by CWoo

solving linear Diophantine equation owned by pahio

solving the Black-Scholes PDE by finite differences owned by stevecheng

example of solving the heat equation owned by pahio

solving the wave equation due to D. Bernoulli owned by pahio

some examples of Friedman numbers in Roman numerals owned by Mravinci

some examples of universal bundles owned by bwebste

some formulas involving rising factorial owned by Wkbj79

some proofs for triangle theorems owned by Wkbj79

some properties of uncountable subsets of the real numbers owned by sauravbha