Newbetuts
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New posts in combinatorial-group-theory
Is a HNN extension of a virtually torsion-free group virtually torsion-free?
group-theory
geometric-group-theory
group-presentation
combinatorial-group-theory
Center of a quotient of a free group
group-theory
free-groups
combinatorial-group-theory
Show that any subgroup of a finitely generated abelian group is finitely generated?
abstract-algebra
induction
abelian-groups
group-presentation
combinatorial-group-theory
Topics in Combinatorial Group Theory (for a short talk).
group-theory
big-list
combinatorial-group-theory
Probability and Combinatorial Group Theory.
probability
group-theory
big-list
combinatorial-group-theory
Can we apply relations in a group presentation one by one?
group-theory
group-presentation
combinatorial-group-theory
What is the abelianization of $\langle x,y,z\mid x^2=y^2z^2\rangle?$
abstract-algebra
group-theory
abelian-groups
combinatorial-group-theory
Are all almost virtually free groups word hyperbolic?
probability
group-theory
geometric-group-theory
combinatorial-group-theory
gromov-hyperbolic-spaces
proof of diamond lemma
combinatorics
group-theory
logic
algorithms
combinatorial-group-theory
Character Table From Presentation
group-theory
representation-theory
characters
group-presentation
combinatorial-group-theory
If we are handed the presentation $\langle i,j,k \mid i^2=j^2=k^2=ijk \rangle$ and nothing more, can we deduce that this is the quaternion group?
group-theory
finite-groups
quaternions
group-presentation
combinatorial-group-theory
The word problem for finite groups
group-theory
finite-groups
computability
combinatorial-group-theory
decidability
Let $G = \langle x, y \mid x^{7} = y^{3} = e,\; yxy^{−1} = x\rangle$. What is $|G|\,$?
abstract-algebra
group-theory
abelian-groups
group-presentation
combinatorial-group-theory
Identifying $\langle a,b\mid a^2b^2\rangle$.
group-theory
group-presentation
combinatorial-group-theory
Homomorphisms of $\mathbb{F}_2$ that preserve $aba^{-1}b^{-1}$
group-theory
free-groups
combinatorial-group-theory
Presentations of subgroups of groups given by presentations
abstract-algebra
group-theory
combinatorial-group-theory
When is a group isomorphic to the infinite cyclic group?
abstract-algebra
group-theory
combinatorial-group-theory
Can the map sending a presentation to its group be considered as a functor?
group-theory
category-theory
group-presentation
functors
combinatorial-group-theory
Prove that $PSL(2,\mathbb{Z})$ is free product of $C_2$ and $C_3$
free-groups
free-product
combinatorial-group-theory
How do you prove that a group specified by a presentation is infinite?
group-theory
group-presentation
geometric-group-theory
infinite-groups
combinatorial-group-theory
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