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15
Math.TechQA.Club
2026-04-09 22:46:09
151
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Proving things about the free group from the categorical definition.
Published on
09 Apr 2026 - 22:46
#category-theory
#free-groups
288
Views
Are quotients of chain groups $C_n(X)/C_n(A)$ still free?
Published on
13 Apr 2026 - 9:02
#algebraic-topology
#free-groups
308
Views
a word is zero exponent sum in free group
Published on
14 Apr 2026 - 23:58
#free-groups
4k
Views
Free group of finite rank: subgroup of finite index
Published on
14 Apr 2026 - 18:13
#abstract-algebra
#group-theory
#free-groups
476
Views
Free Groups Are Torsion-Free: proof using cyclically reduced words
Published on
13 Apr 2026 - 1:23
#group-theory
#free-groups
370
Views
Free abelian group of fractional ideals
Published on
12 Apr 2026 - 21:35
#abstract-algebra
#group-theory
#algebraic-number-theory
#free-groups
#dedekind-domain
54
Views
If $A$ is a set of generators for the free group $F(X)$ then $|A| \geqslant |X|$.
Published on
14 Apr 2026 - 3:38
#group-theory
#free-groups
110
Views
Free groups: $u^mv^k = v^ku^m \implies uv = vu$
Published on
16 Apr 2026 - 1:34
#group-theory
#free-groups
68
Views
Show that the group $\langle a, b, c | ab = bac \rangle$ is free
Published on
14 Apr 2026 - 14:07
#group-theory
#free-groups
1.5k
Views
Fundamental group of a connected graph
Published on
12 Apr 2026 - 18:00
#graph-theory
#algebraic-topology
#fundamental-groups
#free-groups
187
Views
Are there uncountable groups which satisfy the minimal condition on subgroups?
Published on
09 Apr 2026 - 16:32
#abstract-algebra
#group-theory
#free-groups
121
Views
Finitely generated groups without the minimal condition on subgroups
Published on
10 Apr 2026 - 11:51
#abstract-algebra
#group-theory
#free-groups
723
Views
Reduced Words of Length $l$
Published on
15 Apr 2026 - 23:48
#combinatorics
#free-groups
597
Views
the center of amalgamated product of free groups
Published on
13 Apr 2026 - 20:02
#group-theory
#free-groups
78
Views
The action of free group on line
Published on
10 May 2026 - 11:14
#abstract-algebra
#group-theory
#group-actions
#free-groups
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