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PlanetMath Encyclopedia

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A - 1166 entries

B - 695 entries

C - 2325 entries

D - 974 entries

E - 948 entries

F - 856 entries

G - 687 entries

H - 737 entries

I - 925 entries

J - 178 entries

K - 249 entries

L - 1001 entries

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N - 638 entries

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V - 260 entries

W - 328 entries

Wac\l{}aw Franciszek Sierpiński (=Wac\l{}aw Sierpiński) owned by PrimeFan

Wac\l{}aw František Sierpiński (=Wac\l{}aw Sierpiński) owned by PrimeFan

Waclaw Sierpinski (=Wac\l{}aw Sierpiński) owned by PrimeFan

Wac\l{}aw Sierpiński owned by PrimeFan

Wagner congruence owned by Mazzu

Wagner congruence (in Wagner congruence) owned by Mazzu

Wagner-Preston representation (in Wagner-Preston representation theorem) owned by Mazzu

Wagner-Preston representation theorem owned by Mazzu

Wagner's theorem owned by Mathprof

proof of Wagner's theorem owned by Ziosilvio

Wagstaff prime owned by PrimeFan

Wald's equation owned by CWoo

-algebra (=von Neumann algebra) owned by asteroid

--algebra (in weak Hopf C*-algebra) owned by bci1

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

Wallace-Bolyai-Gerwien theorem (=Bolyai-Gerwien theorem) owned by CWoo

Wallis conocuneus (=Plücker's conoid) owned by Mravinci

Wallis formulae owned by rspuzio

Wallman's disjunction property (=disjunction property of Wallman) owned by porton

Wall-Sun-Sun prime owned by PrimeFan

wandering point (in nonwandering set) owned by Koro

Waring formula (=Waring's formula) owned by alozano

Waring's formula owned by alozano

proof of Waring's formula owned by kshum

Waring's problem owned by bbukh

wasteful number (=extravagant number) owned by PrimeFan

wave equation owned by Mathprof

derivation of wave equation owned by pahio

derivation of wave equation from Maxwell's equations owned by invisiblerhino

wave function (in Schrödinger's wave equation) owned by Cosmin

wavelet (in wavelet) owned by swiftset

wavelet owned by swiftset

wavelet representation of Brownian motion owned by PrimeFan

wavelet set owned by swiftset

wave operator (=D'Alembertian) owned by invisiblerhino

way (in polygon) owned by Mathprof

way-below (=way below) owned by CWoo

way below owned by CWoo

way below relation (in way below) owned by CWoo

way-way-below (=way below) owned by CWoo

way way below (=way below) owned by CWoo

way way below relation (in way below) owned by CWoo

weak AI thesis owned by dankomed

weak approximation theorem owned by rm50

weak artificial intelligence thesis (=weak AI thesis) owned by dankomed

weak bialgebra (in weak Hopf C*-algebra) owned by bci1

weak bialgebra (in weak Hopf algebra) owned by bci1

weak compactness theorem (in weakly compact cardinal) owned by Henry

weak convergence owned by matte

weak* convergence in normed linear space owned by bwebste

weak countable compactness (in weakly countably compact) owned by yark

weak derivative owned by paolini

weak direct product (in restricted direct product of algebraic systems) owned by CWoo

weak direct sum (=direct sum) owned by antizeus

weak equivalence (=weak homotopy equivalence) owned by antonio

weaker (in coarser) owned by rspuzio

a weak ergodic theorem (=fundamental theorem of demography) owned by jarino

weaker version of Stirling's approximation owned by rm50

weakest extension of a partial ordering (in weakest extension of a partial ordering) owned by jocaps

weakest extension of a partial ordering owned by jocaps

weak homotopy addition (in weak homotopy addition lemma) owned by bci1

weak homotopy addition lemma owned by bci1

weak homotopy double groupoid (in weak homotopy addition lemma) owned by bci1

weak homotopy double groupoid owned by bci1

weak homotopy equivalence owned by antonio

weak Hopf algebra (=quantum groupoids) owned by bci1

weak Hopf algebra owned by bci1

weak Hopf algebras (=compact quantum groupoids related to C*-algebras) owned by bci1

weak Hopf C*-algebra (in weak Hopf C*-algebra) owned by bci1

weak Hopf C*-algebra owned by bci1

weakly cancellative (in cancellative semigroup) owned by yark

weakly cancellative semigroup (in cancellative semigroup) owned by yark

weakly compact (=weakly compact cardinal) owned by Henry

weakly compact cardinal owned by Henry

weakly compact cardinal (in weakly compact cardinal) owned by Henry

weakly compact cardinals and the tree property owned by Henry

weakly countably compact owned by yark

weakly decreasing (in increasing/decreasing/monotone function) owned by Koro

weakly dominant strategy (in dominant strategy) owned by Henry

weakly dominates (in dominant strategy) owned by Henry

weakly equivalent (in weak homotopy equivalence) owned by antonio

weakly ergodic (=recurrence in a Markov chain) owned by CWoo

weakly hereditary (in classification of topological properties according to behaviour under mapping) owned by rspuzio

weakly holomorphic owned by jirka

weakly homotopy equivalent (in weak homotopy equivalence) owned by antonio

weakly inaccessible (in inaccessible cardinal) owned by Henry

weakly increasing (in increasing/decreasing/monotone function) owned by Koro

weakly Levi pseudoconvex (in Levi pseudoconvex) owned by jirka

weakly mixing (in mixing) owned by Koro

weakly monotone (in increasing/decreasing/monotone function) owned by Koro

weakly monotonic (in increasing/decreasing/monotone function) owned by Koro

weakly paracompact (=metacompact) owned by Mathprof

weakly Pareto dominant (in Pareto dominant) owned by Henry

weakly Pareto dominates (in Pareto dominant) owned by Henry

weakly Pareto optimal (in Pareto dominant) owned by Henry

weakly pseudoconvex (in Levi pseudoconvex) owned by jirka

weak $\mathcal{C}^r$ topology (= $\mathcal{C}^r$ topologies) owned by Koro

proof of weak maximum principle for real domains owned by rspuzio

weak-mixing (in mixing) owned by Koro

weak mixing (in mixing) owned by Koro

weak Mordell-Weil theorem (in rank of an elliptic curve) owned by alozano

weak Nullstellensatz (in Hilbert's Nullstellensatz) owned by rmilson

proof of the weak Nullstellensatz owned by pbruin

weak operator topology (in operator topologies) owned by asteroid

weak prime owned by PrimeFan

weak-star topology (=weak-* topology) owned by jirka

weak subalgebra (in subalgebra of a partial algebra) owned by CWoo

weak-

topology (=weak-* topology) owned by jirka

weak-* topology owned by jirka

weak-* topology (=weak-* topology) owned by jirka

weak topology (in weak-* topology) owned by jirka

weak-* topology of the space of Radon measures owned by stevecheng

weak uniformity (in uniformities on a set form a complete lattice) owned by mps

Weber function (in Kronecker-Weber theorem) owned by alozano

Wedderburn-Artin theorem owned by CWoo

Wedderburn Etherington number (=Wedderburn-Etherington number) owned by PrimeFan

Wedderburn-Etherington number owned by PrimeFan

Wedderburn's theorem owned by yark

proof of Wedderburn's theorem owned by lieven

Wedderburn theorem (=Wedderburn's theorem) owned by yark

wedge (in cone) owned by matte

wedge (=wedge product of pointed topological spaces) owned by MichaelMcCliment

wedge product (in differential form) owned by rmilson

wedge product (in exterior algebra) owned by rmilson

wedge product (=wedge product of pointed topological spaces) owned by MichaelMcCliment

wedge product of pointed topological spaces owned by MichaelMcCliment

Weibull distribution (=Weibull random variable) owned by CWoo

Weibull random variable owned by CWoo

Weierstaß substitution (in Weierstrass substitution formulas) owned by Wkbj79

Weierstrass approximation theorem owned by Tobi

proof of Weierstrass approximation theorem in R^n owned by rspuzio

proof of Weierstrass approximation theorem owned by rspuzio

Weierstrass-Casorati theorem (=Casorati-Weierstrass theorem) owned by PrimeFan

Weierstrass' criterion of uniform convergence owned by pahio

proof of Weierstrass' criterion of uniform convergence owned by argerami

Weierstrass division theorem (=Weierstrass preparation theorem) owned by jirka

Weierstrass double series theorem owned by pahio

Weierstrass equation (in Weierstrass equation of an elliptic curve) owned by alozano

Weierstrass equation of an elliptic curve owned by alozano

Weierstrass eta function (in Weierstrass sigma function) owned by alozano

Weierstrass extreme value theorem (=extreme value theorem) owned by classicleft

Weierstrass factorization theorem owned by jirka

Weierstrass function (in nowhere differentiable) owned by gel

Weierstrass model (=Weierstrass equation of an elliptic curve) owned by alozano

Weierstrass M-test owned by yark

Weierstrass' M-test (=Weierstrass' criterion of uniform convergence) owned by pahio

Weierstrass M-test for continuous functions owned by CWoo

proof of Weierstrass M-test owned by CWoo

Weierstrass p-function (= $\wp$ -function) owned by drini

Weierstrass polynomial owned by jirka

Weierstrass preparation theorem owned by jirka

Weierstrass product inequality owned by Daume

Weierstrass product theorem (=Weierstrass factorization theorem) owned by jirka

Weierstrass sigma function owned by alozano

Weierstrass sigma function (in Weierstrass sigma function) owned by alozano

Weierstrass substitution (in Weierstrass substitution formulas) owned by Wkbj79

Weierstraß substitution formulas (=Weierstrass substitution formulas) owned by Wkbj79

Weierstrass substitution formulas owned by Wkbj79

Weierstrass' theorem on addition formulas owned by rspuzio

Weierstrass $\wp$ function (= $\wp$ -function) owned by drini

Weierstrass $\wp$ -function (= $\wp$ -function) owned by drini

Weierstrass zeta function (in Weierstrass sigma function) owned by alozano

weight (=weight (Lie algebras)) owned by GrafZahl

weight (in labelled digraph) owned by GrafZahl

weight (=weight (strings)) owned by GrafZahl

weight-balanced binary trees are ultrametric owned by mathcam

weight distribution (in weight enumerator) owned by GrafZahl

weighted average (in arithmetic mean) owned by drini

weighted digraph (in labelled digraph) owned by GrafZahl

weighted homogeneous polynomial owned by jirka

weighted mean (in arithmetic mean) owned by drini

weighted path length owned by Logan

weighted power mean owned by drini

weight enumerator owned by GrafZahl

weight lattice owned by bwebste

weight (Lie algebras) owned by GrafZahl

weight of a lattice polynomial (in lattice polynomial) owned by CWoo

weight space (in weight (Lie algebras)) owned by GrafZahl

weight (strings) owned by GrafZahl

Weil conjectures owned by nerdy2

Weil divisor (=divisor) owned by nerdy2

Weil divisors on schemes owned by alozano

Weingarten map (in second fundamental form) owned by stevecheng

Weingarten matrix (in second fundamental form) owned by stevecheng

weird number owned by CompositeFan

Weizenbock's inequality owned by mathcam

well-balanced (in Dyck language) owned by CWoo

well-conditioned (in matrix condition number) owned by stevecheng

well defined (=well-defined) owned by pahio

well-defined owned by pahio

well formed formula (in word) owned by juanman

well-formed formula (=word) owned by juanman

well-founded (in well-founded relation) owned by ratboy

well-founded induction owned by ratboy

example of well-founded induction owned by CWoo

well-founded induction on formulas owned by jihemme

proof of the well-founded induction principle owned by jihemme

well-foundedness and axiom of foundation owned by CWoo

well-founded recursion owned by CWoo

well-founded relation owned by ratboy

well-nested (=Dyck language) owned by CWoo

well-orderable (in constructing well ordered sets) owned by CWoo

well-ordered (=well ordered set) owned by drini

well-ordered set (=well ordered set) owned by drini

well ordered set owned by drini

well-ordering (in well ordered set) owned by drini

well-ordering principle (=Zermelo's well-ordering theorem) owned by yark

well-ordering principle for natural numbers owned by smw

well-ordering principle for natural numbers proven from the principle of finite induction owned by smw

well-ordering principle implies axiom of choice owned by Wkbj79

well-pointed (=well-pointed topos) owned by mps

well-pointed topoi (=well-pointed topos) owned by mps

well-pointed topos owned by mps

well-powered (=wellpowered category) owned by kompik

wellpowered (=wellpowered category) owned by kompik

wellpowered category owned by kompik

well quasi order (=well quasi ordering) owned by CWoo

well quasi ordering owned by CWoo

Weyl algebra owned by GrafZahl

Weyl chamber owned by rmilson

Weyl curvature tensor (in Ricci tensor) owned by rmilson

Weyl group owned by mathcam

Weyl group (in Coxeter group) owned by Simone

Weyl--Minkowski theorem (=Weyl-Minkowski theorem) owned by mps

Weyl-Minkowski theorem owned by mps

Weyl-quantization (=quantization) owned by bci1

Weyl's criterion owned by bbukh

Weyl's inequality owned by Andrea Ambrosio

proof of Weyl's inequality owned by Andrea Ambrosio

Weyl's theorem owned by bwebste

Weyl tensor (in Ricci tensor) owned by rmilson

wff (=word) owned by juanman

wheel factorization owned by PrimeFan

wheel graph owned by vampyr

when all singularities are poles owned by pahio

when are balls separated owned by matte

when is a point inside a triangle owned by matte

proof of when is a point inside a triangle owned by joen235

Whitehead Prize owned by PrimeFan

Whitehead's first lemma (in cohomology of semi-simple Lie algebras) owned by asteroid

Whitehead's lemmas (in cohomology of semi-simple Lie algebras) owned by asteroid

Whitehead's second lemma (in cohomology of semi-simple Lie algebras) owned by asteroid

Whitehead theorem owned by antonio

Whitney's theorem (in embedding) owned by CWoo

Whitney topology (= $\mathcal{C}^r$ topologies) owned by Koro

w-holomoprhic (=weakly holomorphic) owned by jirka

Why Study Egyptian Fraction Mathematics owned by milogardner

wide-sense chemical kinetics in living systems and medical applications (in molecular set theory) owned by bci1

width (in poset height and width) owned by justice

Wieferich prime owned by mathcam

Wielandt-Hoffman theorem owned by Andrea Ambrosio

proof of Wielandt-Hoffman theorem owned by Andrea Ambrosio

Wielandt-Kegel theorem owned by yark

Wielandt theorem for unital normed algebras owned by karstenb

Wiener algebra owned by asteroid

Wiener measure (in Wiener measure) owned by neldredge

Wiener measure owned by neldredge

Wiener process (=Brownian motion) owned by skubeedooo

Wiener space (in Wiener measure) owned by neldredge

Wiener theorem (in Wiener algebra) owned by asteroid

Wikipedia owned by PrimeFan

wild owned by Mathprof

wild inertia degree (in Galois representation) owned by alozano

wild inertia group (in Galois representation) owned by alozano

wildly ramified (in splitting and ramification in number fields and Galois extensions) owned by alozano

wild ramification (=splitting and ramification in number fields and Galois extensions) owned by alozano

William Feller owned by PrimeFan

William Francis Lawvere owned by bci1

William Gowers (=William Timothy Gowers) owned by PrimeFan

William Lowell Putnam Competition (=Putnam Competition) owned by PrimeFan

William Lowell Putnam Mathematical Competition (=Putnam Competition) owned by PrimeFan

William Paul Thurston (=William Thurston) owned by PrimeFan

William Thurston owned by PrimeFan

William Timothy Gowers owned by PrimeFan

Willibrord Feller (=William Feller) owned by PrimeFan

Wilson-Lagrange theorem (=Wilson's theorem) owned by CWoo

Wilson prime owned by PrimeFan

Wilson quotient owned by PrimeFan

Wilson's prime-th recurrence (=Wilson's primeth recurrence) owned by PrimeFan

Wilson's primeth recurrence owned by PrimeFan

Wilson's theorem owned by CWoo

Wilson's theorem for prime powers owned by Thomas Heye

proof of Wilson's theorem owned by Cosmin

Wilson's theorem result owned by mathwizard

proof of Wilson's theorem result owned by Cosmin

proof of Wilson's theorem using the Wilson quotient owned by PrimeFan

winding number owned by CWoo

winding number and fundamental group owned by Dr_Absentius

Windows Calculator owned by PrimeFan

winsorized mean (in trimmed mean) owned by CWoo

Wirsing condition owned by Wkbj79

Wirtinger inequality (=Wirtinger's inequality) owned by rspuzio

Wirtinger's inequality owned by rspuzio

Wishart distribution owned by Mathprof

witch of Agnesi (=curve of Agnesi) owned by CompositeFan

without loss of generality (=WLOG) owned by akrowne

witness (in Fermat compositeness test) owned by bbukh

Witt polynomials (in Witt vectors) owned by alozano

Witt vectors owned by alozano

WLOG owned by akrowne

Wolfgang Bolyai (=Farkas Bolyai) owned by PrimeFan

Wolf Prize owned by PrimeFan

WOLOG (=WLOG) owned by akrowne

wonderful Demlo number (=Demlo number) owned by PrimeFan

Woodall number owned by PrimeFan

Woodbury formula (=matrix inversion lemma) owned by kronos

Woodbury matrix identity (=matrix inversion lemma) owned by kronos

word (in free semigroup) owned by yark

word owned by juanman

word algebra (=term algebra) owned by CWoo

word problem (in word problem) owned by Mazzu

word problem owned by Mazzu

word problem for semi-Thue systems (in semi-Thue system) owned by CWoo

words for numbers in Slavic languages owned by PrimeFan

world records in mathematics owned by PrimeFan

World Wide Web (in Internet) owned by PrimeFan

$\wp$ (= $\wp$ -function) owned by drini

$\wp$ -function owned by drini

W-polynomial (=Weierstrass polynomial) owned by jirka

wqo (=well quasi ordering) owned by CWoo

wreath product (in wreath product) owned by mps

wreath product owned by mps

writhe owned by PrimeFan

wrong root (=strange root) owned by pahio

Wronskian (=Wronskian determinant) owned by rspuzio

Wronskian determinant owned by rspuzio

Wulff shape (in Wulff theorem) owned by paolini

Wulff theorem owned by paolini

X - 8 entries

Y - 22 entries

Z - 99 entries

8694 entries total.
15221 concepts total.

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