Ivan Shishkin, Rye (1878)

Problems

11 problems / 21 domains

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⊢Mathematical formalism0 of 11 solved
Mathematical logicModel theorySet theory
→Category theory0 of 2 solved
xGeneral algebra0 of 75 solved
FieldGalois theoryGroupGroup actionModuleRepresentation theoryRing
Linear algebra0 of 57 solved
Euclidean vector spaceGeometryHilbert and pre-Hilbert spaceLie algebraPolynomialReduction of endomorphismRepresentation and character
ℤArithmetic0 of 37 solved
Number theory
⊙Algebraic geometry0 of 1 solved
△Geometry0 of 49 solved
Non-euclidean geometry
∂Differential geometry
De Rham cohomology

Showing 11 problems

40

One of them is invertible

Reviewed
Linear algebra · spoiler domain hidden2 solutions1 hint
by Anduril
3
36

Permutations d’une matriceFR

Reviewed
Linear algebra · spoiler domain hidden1 solution0 hints
by Anduril
3
45

Sous-espaces vectoriels engendrés par...FR

Reviewed
Linear algebra1 solution0 hints
by Anduril
1
40

Une base de matrices inversiblesFR

Reviewed
Linear algebra · Topology2 solutions0 hints
by Anduril
0
43

Matrices with a diagonalizable power

Reviewed
Linear algebra · Reduction of endomorphism2 solutions1 hint
by Anduril
3
35

Racine carrée d’une matrice symétrique positiveFR

Reviewed
Linear algebra · Euclidean vector space · spoiler domain hidden1 solution0 hints
by Anduril
1
45

Matrices with same exponential

Reviewed
Linear algebra1 solution1 hint
by Anduril
2
47

Powers of integer matrices

Reviewed
Linear algebra · spoiler domain hidden1 solution1 hint
by Anduril
5
59

Théorème de Hahn-Banach en dimension finieFR

Reviewed
Topology · Linear algebra1 solution0 hints
by Anduril
1
50

A topological criterion of diagonalizability

Reviewed
Topology · Linear algebra0 solutions0 hints
by Anduril
4
46

An inequality on symmetric matrices

Reviewed
Linear algebra · Real function3 solutions1 hint
by Anduril
3