Ivan Shishkin, Birch Grove

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75 concepts shown

Function

Stub

DefinitionMathematical formalism5 incoming linksExercises: 0

updated 9/6/2026

Connected graph

Usable

DefinitionCombinatorics1 incoming linkExercises: 1

updated 9/6/2026

Transpose of a matrix

Stub

DefinitionGeneral algebra2 incoming linksExercises: 1

updated 9/5/2026

Intermediate value theorem

Stub

TheoremReal function1 incoming linkExercises: 2

updated 9/4/2026

pp-adic valuation

Stub

DefinitionOther1 incoming linkExercises: 3

updated 9/2/2026

Simple root

Usable

DefinitionGeneral algebra3 incoming linksExercises: 0

updated 9/1/2026

Preimage

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DefinitionSet theory1 incoming linkExercises: 1

updated 9/1/2026

Symmetry

Usable

Intuitive notionGroup0 incoming linksExercises: 0

updated 9/1/2026

Symmetric positive matrix

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DefinitionOther0 incoming linksExercises: 1

updated 9/1/2026

Trace

Stub

DefinitionGeneral algebra2 incoming linksExercises: 0

updated 9/1/2026

Subgroup

Usable

DefinitionGeneral algebra6 incoming linksExercises: 1

updated 9/1/2026

Complex number

Usable

DefinitionGeneral algebra1 incoming linkExercises: 2

updated 8/31/2026

Injective map

Stub

DefinitionOther1 incoming linkExercises: 1

updated 8/31/2026

Matrix

Usable

DefinitionLinear algebra8 incoming linksExercises: 2

updated 8/31/2026

Norm

Stub

DefinitionTopology2 incoming linksExercises: 4

updated 8/30/2026

Image of a map

Stub

DefinitionSet theory3 incoming linksExercises: 0

updated 8/30/2026

Eigenvalue of a matrix

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DefinitionLinear algebra3 incoming linksExercises: 0

updated 8/29/2026

Surjective map

Stub

DefinitionOther1 incoming linkExercises: 0

updated 8/29/2026

Sylow pp-subgroup

Usable

DefinitionGroup0 incoming linksExercises: 0

updated 8/29/2026

pp-group

Usable

DefinitionOther1 incoming linkExercises: 1

updated 8/29/2026

Operation

Reviewed

DefinitionGeneral algebra5 incoming linksExercises: 0

updated 8/28/2026

Commutative operation

Usable

DefinitionGeneral algebra2 incoming linksExercises: 0

updated 8/28/2026

Scalar

Usable

DefinitionLinear algebra1 incoming linkExercises: 0

updated 8/28/2026

Orthogonal matrix

Usable

DefinitionGeneral algebra2 incoming linksExercises: 0

updated 8/27/2026

Odd function

Usable

DefinitionReal function3 incoming linksExercises: 3

updated 8/26/2026

Even function

Usable

DefinitionOther2 incoming linksExercises: 2

updated 8/26/2026

Spectral Theorem

Stub

TheoremEuclidean vector space4 incoming linksExercises: 2

updated 8/26/2026

Cardinal

Usable

DefinitionMathematical formalism1 incoming linkExercises: 2

updated 8/24/2026

Normal subgroup

Stub

DefinitionGeneral algebra2 incoming linksExercises: 1

updated 8/23/2026

Subset

Stub

DefinitionMathematical formalism9 incoming linksExercises: 1

updated 8/23/2026

Order of an element of a group

Usable

DefinitionGroup1 incoming linkExercises: 1

updated 8/23/2026

Proper subset

Stub

DefinitionMathematical formalism2 incoming linksExercises: 0

strict subset

updated 8/22/2026

Vector space

Usable

DefinitionLinear algebra8 incoming linksExercises: 0

updated 8/22/2026

Cross-multiplication

Stub

DefinitionGeneral algebra1 incoming linkExercises: 0

updated 8/21/2026

Residue theorem

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TheoremComplex analysis0 incoming linksExercises: 1

updated 8/21/2026

Metric space

Usable

DefinitionTopology3 incoming linksExercises: 0

updated 8/20/2026

Divisibility

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DefinitionGeneral algebra3 incoming linksExercises: 0

updated 8/20/2026

Element expressible by radicals

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DefinitionGeneral algebra1 incoming linkExercises: 0

updated 8/20/2026

Path homotopy

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DefinitionTopology1 incoming linkExercises: 1

updated 8/17/2026

Radical of an ideal

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DefinitionGeneral algebra1 incoming linkExercises: 0

updated 8/16/2026

Normed vector space

Stub

DefinitionGeneral algebra3 incoming linksExercises: 0

updated 8/16/2026

Parabola

Stub

DefinitionGeneral algebra1 incoming linkExercises: 0

updated 8/15/2026

Simply connected space

Usable

DefinitionAlgebraic topology1 incoming linkExercises: 1

updated 8/13/2026

Fundamental group of the circle

Stub

TheoremAlgebraic topology0 incoming linksExercises: 0

updated 8/13/2026

Fundamental group

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DefinitionAlgebraic topology2 incoming linksExercises: 0

updated 8/13/2026

Loop in a space

Stub

DefinitionTopology0 incoming linksExercises: 0

updated 8/13/2026

Homotopy

Stub

DefinitionTopology4 incoming linksExercises: 1

updated 8/13/2026

Galois group of a field extension

Usable

DefinitionGalois theory3 incoming linksExercises: 1

updated 8/11/2026

Reflexive relation

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DefinitionMathematical formalism1 incoming linkExercises: 0

updated 8/11/2026

Continuous map

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DefinitionTopology3 incoming linksExercises: 0

updated 8/11/2026

Path in a space

Stub

DefinitionAlgebraic topology3 incoming linksExercises: 0

updated 8/11/2026

Path-connected space

Stub

DefinitionTopology2 incoming linksExercises: 0

updated 8/11/2026

Connected space

Stub

DefinitionTopology0 incoming linksExercises: 0

updated 8/11/2026

Magma

Usable

DefinitionGeneral algebra4 incoming linksExercises: 0

Binar

updated 8/11/2026

Weierstrass approximation theorem

Stub

DefinitionReal analysis0 incoming linksExercises: 0

updated 8/9/2026

Irreducible polynomial

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DefinitionGeneral algebra1 incoming linkExercises: 0

updated 8/8/2026

Degree of a polynomial

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DefinitionGeneral algebra2 incoming linksExercises: 0

updated 8/8/2026

Degree of a field extension

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DefinitionField8 incoming linksExercises: 2

updated 8/8/2026

Tower law

Stub

TheoremField2 incoming linksExercises: 0

updated 8/8/2026

Median of a triangle

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DefinitionGeometry1 incoming linkExercises: 0

updated 8/8/2026

Hankel matrix

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DefinitionLinear algebra2 incoming linksExercises: 1

updated 8/8/2026

Limit

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DefinitionTopology1 incoming linkExercises: 0

updated 8/7/2026

KK-morphism

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DefinitionGeneral algebra1 incoming linkExercises: 1

updated 8/7/2026

KK-automorphism

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DefinitionField4 incoming linksExercises: 0

updated 8/7/2026

Field homomorphism

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DefinitionGeneral algebra4 incoming linksExercises: 0

updated 8/7/2026

pp-subgroup

Usable

DefinitionGroup1 incoming linkExercises: 0

updated 8/6/2026

Rational number

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DefinitionGeneral algebra2 incoming linksExercises: 0

updated 8/6/2026

Ellipse

Usable

DefinitionGeometry3 incoming linksExercises: 2

updated 8/6/2026

integration by parts

Stub

DefinitionRiemann integration1 incoming linkExercises: 3

updated 8/6/2026

Fundamental theorem of algebra

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TheoremGeneral algebra0 incoming linksExercises: 0

d'Alembert's theorem, d'Alembert-Gauss theorem

updated 8/6/2026

Algebraically closed field

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DefinitionGeneral algebra1 incoming linkExercises: 0

updated 8/6/2026

Sphere

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DefinitionGeometry1 incoming linkExercises: 0

updated 8/6/2026

Unit sphere

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DefinitionGeometry2 incoming linksExercises: 0

updated 8/6/2026

Closure

Usable

DefinitionTopology5 incoming linksExercises: 0

updated 8/5/2026

Metric

Stub

DefinitionTopology4 incoming linksExercises: 1

Distance function

updated 8/5/2026