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Sam
  • Member for 6 years, 9 months
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  • UK
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Top posts
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question
15
Is an HNN extension of a virtually torsion-free group virtually torsion-free?
May 3, 2019
question
13
$d^3$ in the Atiyah-Hirzebruch spectral sequence for (twisted) $KO$
Oct 23, 2019
answer
8
Irreducible representations of $G_4 = \langle a,b \mid a^{16}, b^{2}, baba^{-7}\rangle$ and other Semidihedral groups
Aug 24, 2018
question
7
Is the commensurator of a tree lattice a simple group?
Oct 24, 2019
question
5
Examples of non-uniform lattices in products of trees
Nov 9, 2019
question
5
Quasi-isometric rigidity of surface groups and commensurability
Sep 5, 2021
question
4
Branched 2-fold covering over edge of a 3-orbifold
Aug 5, 2019
question
4
$\mathbb{Z}$-forms of rational representation of finite group
Jun 29, 2023
answer
4
Second Bounded Cohomology of a Group: Interpretations
Feb 8, 2019
question
3
$k$-invariants of $KO$ and $ko$ and differentials in the AHSS spectral sequence
Nov 13, 2020
Top network posts
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10
Is a HNN extension of a virtually torsion-free group virtually torsion-free?
5
Mysterious Characterization of $A_5$ inside $S_5$
5
Transitive groups that are not primitive