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F. Ladisch

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Name F. Ladisch
Member for 2 years
Seen May 23 at 17:17
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Location Rostock, Germany
Age
Post Doc at University of Rostock

main interests: finite groups and their representation theory

4

Questions
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Answers
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10
Generating finite simple groups with $2$ elements
10
Simplest examples of rings that are not isomorphic to their opposites
9
Lemma on infinitely generated projective modules
8
Sylow subgroups of projective general linear groups
8
Finite nonabelian groups with few positive real character values? (2)
8
characters on a finite group with `extremal' behaviour
7
Character tables and simple groups.
6
Which finite nonabelian groups have long chains of subgroups as intervals in their subgroup lattice?
6
Matrices: characterizing pairs $(AB, BA)$
6
Finite groups in which every character has real values: grading the representations
6
Order-increasing bijection from arbitrary groups to cyclic groups
6
Modular representation theory: central idempotents in $\mathbb{Z}_p[G]$
6
Conjugacy for $p$-adic matrices of finite order
5
Nilpotency of a group by looking at orders of elements
4
Representations of central extensions
4
p-groups as Sylow subgroups
4
ABA-product of matrices and length of chains of principal inner ideals
4
fixed points of products of permutations
4
Frobenius formula for the determinant
3
Representation theory of p-groups in particular upper tringular matrices over F_p
3
Center and representations of finite group - how are related ?
3
Modular reductions of simple characters
3
Determinant associated with a group action
3
nth-powers and degree n polynomials with coefficients in field extensions
2
Pseudo-idempotent matrix generating a free module
2
Structure theorem of f.g. modules over a (non) PID
1
are irreducible representations with large fixed subspaces trivial?
1
Example for pairwise triangularizable but not all three.

 

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