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Non-split extensions of $GL_n(F_q)$ by $F_q^n$ ?

gr.group-theory finite-fields finite-groups

jan 13 11 at 22:23 BS 5,313●1●12●25

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Examples of non-diffeomorphic smooth manifolds with diffeomorphic tangent bundle

Computational complexity of computing homotopy groups of spheres

connectivity of the group of orientation-preserving homeomorphisms of the sphere

Conformal embedding of Riemann surfaces into 3-space

Group ring computation

Cheap, non-constructive, free group generating rotations for Banach-Tarski

Infinite simple Galois groups

Vanishing of Euler class

Without choice, can every homomorphism from a profinite group to a finite group be continuous?

Topologies on the field of rationals

Which immersed plane curves bound an immersed disc?

Nice orthonormal basis for L^2(Cantor set)

Holomorphic functions in almost-complex geometry

Double a manifold with boundary

Is a smooth action of a semi-simple Lie group linearizable near a staionary point?

Is the boundary $\partial S$ analogous to a derivative?

Tangent bundle of the long line

About the proof of Wajnryb’s finite presentation of Mod(S)

Can a metric conformal to a Kahler metric be Kahler?

Kazhdan’s property T for Kahler surfaces

Is the semigroup of nonnegative integer matrices with determinant 1 finitely generated?

Equivalence between statements of Hodge conjecture

Why is this a lattice?

Simultaneous diophantine approximation

Fourier transform of a bounded function

Torsion in homology or fundamental group of subsets of Euclidean 3-space

Why is the Hahn-Banach thorem so important?

when is the independence number of a graph equals the clique cover number

Nash embedding theorem for 2D manifolds

definition of Hessian with respect to connection

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