Ivan Shishkin, The Forest Clearing

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Enetel

Advanced / Graduate / reputation 24

user

Solved problems

From nothing to a group Path components of

\mathrm{GL}_n(\mathbb{R})

Un côté du triangle se prolonge... et l’angle extérieur ?^FR Deux angles d’un triangle... jusqu’où peuvent-ils aller ?^FR Deux angles adjacents... que font les droites ?^FR Les entiers consécutifs non premiers^FR Poteaux pourris^FR Les idéaux de

M_{n}(K)

^FR Dirichlet integral Every hyperplane of

\mathcal{M}_n(\mathbb{C})

meets an invertible matrix Familles de matrices inversibles dans

\mathcal{M}_n(\mathbb{Z})

^FR Inégalité d’Hadamard^FR Un polynôme de matrice^FR Les suites d’entiers convergentes sont stationnaires^FR Fermé + borné = compact ?^FR No permutation can rescue the series No linear recurrence for the primes Groups of order 2026 Matrices with a diagonalizable power Escape from infinity Field extension of

\R

of odd degree Eigenvalues of positive matrices

\R

-automorphisms of

\mathbb{C}

Probability of commuting in a finite group Sequence of iterated sinus Unit ball in finite dimension A Natural Asymptotic Equivalent Finite groups with 3 conjugacy classes Polynomial of prime numbers Une famille infinie libre^FR Convexité et connexité par arcs^FR Field extensions of

\mathbb{C}

of degree 2 Group of

k

-automorphisms Interior of a vector subspace Groups of order 6 A characterization of nilpotency Rational power of 2 A topological criterion of diagonalizability Powers of integer matrices Coins in the river