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PlanetMath Encyclopedia

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0 - 3 entries

1 - 12 entries

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 - 831 entries

M - 728 entries

N - 534 entries

O - 389 entries

P - 1319 entries

Q - 207 entries

$\mathbb{Q}$ (=rational number) owned by djao

q-binomial coefficients (=Gaussian polynomials) owned by mathcam

Q.E.D (=QED) owned by mathwizard

QED owned by mathwizard

QEF (in geometric constructions by Euclid) owned by pahio

Q.E.F. (in geometric constructions by Euclid) owned by pahio

Q holding bay 47 owned by PrimeFan

proof that Q is the prime subfield of any field of characteristic 0 owned by CWoo

QR-decomposition (=QR decomposition) owned by akrowne

QR decomposition owned by akrowne

QR-factorization (=QR decomposition) owned by akrowne

QR factorization (=QR decomposition) owned by akrowne

q skew derivation owned by antizeus

skew polynomial ring owned by antizeus

quadrant owned by Mathprof

quadratic algebra owned by CWoo

quadratically closed (in quadratic closure) owned by CWoo

quadratic character of 2 owned by mathcam

quadratic closure owned by CWoo

quadratic congruence (in quadratic congruence) owned by pahio

quadratic congruence owned by pahio

quadratic convergence owned by Koro

quadratic curves owned by pahio

quadratic equation (=quadratic equation in $\mathbb{C}$ ) owned by pahio

quadratic equation in $\mathbb{C}$ owned by pahio

quadratic extension owned by CWoo

quadratic field (in number field) owned by alozano

quadratic fields that are not isomorphic owned by Wkbj79

quadratic form owned by CWoo

quadratic formula owned by yark

derivation of quadratic formula owned by mathcam

quadratic function associated with a linear functional owned by drini

quadratic ideal (in quadratic Jordan algebra) owned by Algeboy

quadratic imaginary field (=imaginary quadratic field) owned by pahio

quadratic imaginary norm-Euclidean number fields owned by pahio

quadratic imaginary number field (=imaginary quadratic field) owned by pahio

quadratic inequality owned by pahio

quadratic integers (=integral basis of quadratic field) owned by pahio

quadratic Jordan algebra (in quadratic Jordan algebra) owned by Algeboy

quadratic Jordan algebra owned by Algeboy

quadratic Julia set owned by PrimeFan

quadratic Lie algebra (in quadratic Lie algebra) owned by benjaminfjones

quadratic Lie algebra owned by benjaminfjones

quadratic map (in quadratic map) owned by Algeboy

quadratic map owned by Algeboy

quadratic mean (=root-mean-square) owned by pbruin

quadratic non-residue (in quadratic residue) owned by mathcam

quadratic nonresidue (in quadratic residue) owned by mathcam

quadratic number field (in number field) owned by alozano

quadratic reciprocity (=quadratic reciprocity rule) owned by alozano

quadratic reciprocity for polynomials owned by djao

quadratic reciprocity rule owned by alozano

proof of quadratic reciprocity rule owned by mathcam

quadratic residue owned by mathcam

quadratic resolvent owned by pahio

quadratic resolvent equation (=quadratic resolvent) owned by pahio

quadratic sieve owned by patrickwonders

quadratic space owned by CWoo

quadratic surfaces owned by pahio

quadratic unit (=units of quadratic fields) owned by pahio

quadrature owned by rspuzio

quadrilateral owned by drini

quadruplet (in ordered tuplet) owned by rspuzio

qualitative variable (in data types in statistics) owned by CWoo

quandles owned by StevieHair

quantale owned by CWoo

quantale homomorphism (in quantale) owned by CWoo

quantifier owned by CWoo

quantifier algebra owned by CWoo

quantifier elimination (in quantifier free) owned by mathcam

example of quantifier owned by hkkass

quantifier free owned by mathcam

quantifier-free formula (in atomic formula) owned by CWoo

quantifier free formula (in quantifier free) owned by mathcam

quantifier free formula (=atomic formula) owned by CWoo

quantisation (=quantization) owned by plinko

quantitative variable (in data types in statistics) owned by CWoo

quantization owned by plinko

quantum logic owned by CWoo

quantum observable (in quantization) owned by plinko

quantum state (in quantization) owned by plinko

quantum system (in quantization) owned by plinko

quarter-plane (=quadrant) owned by Mathprof

quartic equation (=quartic formula) owned by djao

quartic formula owned by djao

quartic formula by Euler (=Euler's derivation of the quartic formula) owned by pahio

quartic polynomial with Galois group $D_8$

owned by rm50

quartile (in percentile) owned by CWoo

quasi-affine variety (in affine variety) owned by mathcam

example of quasi-affine variety that is not affine owned by Mathprof

quasicircle owned by jirka

quasicircle (in quasicircle) owned by jirka

quasi-coherent sheaf (=coherent sheaf) owned by PrimeFan

quasicompact (=quasi-compact) owned by Wkbj79

quasi-compact owned by Wkbj79

quasicomponent owned by Evandar

quasi-component (=quasicomponent) owned by Evandar

quasiconformal (in quasiconformal mapping) owned by jirka

quasiconformal mapping owned by jirka

quasi-cyclic (in quasicyclic group) owned by yark

quasicyclic (in quasicyclic group) owned by yark

quasi-cyclic group (=quasicyclic group) owned by yark

quasicyclic group owned by yark

quasi-finite (=quasi-finite morphism) owned by nerdy2

quasi-finite morphism owned by nerdy2

quasigroup (in loop and quasigroup) owned by mclase

quasigroup (in biops) owned by HkBst

quasi-Hamiltonian group (in Hamiltonian group) owned by yark

quasi-invariant owned by Mathprof

quasi-inverse (in quasi-regularity) owned by mclase

quasi-inverse (=quasi-inverse of a function) owned by CWoo

quasi-inverse function (in quasi-inverse of a function) owned by CWoo

quasi-inverse of a function owned by CWoo

quasi-invertible (in homotopes and isotopes of algebras) owned by Algeboy

quasi-metric (in quasimetric space) owned by mathcam

quasimetric (in quasimetric space) owned by mathcam

quasimetric space owned by mathcam

quasi-metric space (=quasimetric space) owned by mathcam

quasinilpotent (=topologically nilpotent) owned by CWoo

quasinormal (in permutable subgroup) owned by yark

quasi-normal (in permutable subgroup) owned by yark

quasi-normal subgroup (=permutable subgroup) owned by yark

quasinormal subgroup (=permutable subgroup) owned by yark

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

quasiorder (=pre-order) owned by yark

quasiordered (in pre-order) owned by yark

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

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

quasiordering (=pre-order) owned by yark

Quasi-order is not defined uniformly owned by boute

quasiperfect number owned by CompositeFan

quasiperiod (in quasiperiodic function) owned by rspuzio

quasiperiod and half quasiperiod relations for Jacobi $\vartheta$ functions owned by rspuzio

quasiperiodic function owned by rspuzio

quasiperiodicity (in quasiperiodic function) owned by rspuzio

quasipositive matrix owned by Mathprof

quasiprimitive class (=implicational class) owned by CWoo

quasi-projective variety (in projective variety) owned by mathcam

quasipseudometric (=generalization of a pseudometric) owned by CWoo

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

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

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

quasi-regular (in quasi-regularity) owned by mclase

quasi regular (=quasi-regularity) owned by mclase

quasi-regular ideal (in quasi-regularity) owned by mclase

quasi regularity (=quasi-regularity) owned by mclase

quasi-regularity owned by mclase

quasi-regular ring (in quasi-regularity) owned by mclase

quasi-scalar matrices (=diagonal matrix) owned by rspuzio

quasi-scalar matrix (=diagonal matrix) owned by rspuzio

quasisphere (=quasicircle) owned by jirka

quasisphere (in quasicircle) owned by jirka

quasisymmetric (in quasisymmetric mapping) owned by jirka

quasisymmetric mapping owned by jirka

quasiuniform (=generalization of a uniformity) owned by CWoo

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

quasiuniformity (=generalization of a uniformity) owned by CWoo

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

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

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

quasivariety (=implicational class) owned by CWoo

quaternary code (in linear code) owned by mathcam

quaternion (=Hamiltonian quaternions) owned by mathcam

quaternion algebra owned by djao

quaternion algebra (in Hamiltonian quaternions) owned by mathcam

quaternion group (in quaternion group) owned by mathcam

quaternion group owned by mathcam

quaternion groups (=generalized quaternion group) owned by Algeboy

quaternionic group (=quaternion group) owned by mathcam

query (in oracle) owned by Henry

queue owned by Mravinci

quicksort owned by thouis

quintuplet (in ordered tuplet) owned by rspuzio

quiver owned by mathangel

quiver (in quiver) owned by mathangel

quotient (in division) owned by pahio

quotient (=quotient group) owned by azdbacks4234

quotient algebra (in congruence relation on an algebraic system) owned by CWoo

quotient field (=fraction field) owned by djao

quotient group owned by azdbacks4234

quotient ideal (=quotient of ideals) owned by pahio

quotient map (in quotient space) owned by djao

quotient module owned by rspuzio

quotient norm owned by asteroid

quotient object (in subobject) owned by CWoo

quotient object functor (in subobject) owned by CWoo

quotient of a subgroup (=section of a group) owned by yark

quotient of functions (in sum and product and quotient of functions) owned by pahio

quotient of ideals owned by pahio

quotient of submodules (in submodule) owned by Mravinci

quotient of Taylor series (=Taylor series via division) owned by pahio

quotient representations owned by rm50

quotient ring owned by mathwizard

quotient ring modulo prime ideal owned by pahio

quotient rule owned by Luci

quotient rule for arithmetic derivative owned by Wkbj79

proof of quotient rule owned by drini

proof of quotient rule (using product rule) owned by matte

quotient semigroup (in congruence) owned by mclase

quotients in $C^*$

-algebras owned by asteroid

proof of quotients in $C^*$

-algebras owned by asteroid

quotients of Banach algebras owned by asteroid

quotients of Banach spaces by closed subspaces are Banach spaces under the quotient norm owned by asteroid

quotient space owned by djao

quotient structure owned by almann

quotient topology (in quotient space) owned by djao

quotient vector space (in quotient module) owned by rspuzio

R - 855 entries

S - 1747 entries

T - 743 entries

U - 329 entries

V - 217 entries

W - 296 entries

X - 6 entries

Y - 19 entries

Z - 90 entries

7519 entries total.
12886 concepts total.

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