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Alireza Abdollahi's user avatar
Alireza Abdollahi's user avatar
Alireza Abdollahi's user avatar
Alireza Abdollahi
  • Member for 12 years, 6 months
  • Last seen more than a month ago
13 votes
3 answers
1k views

Does the Alternating group of degree $n>7$ have exactly one irreducible character of degree $n-1$?

13 votes
2 answers
806 views

Torsion-freeness of two groups with 2 generators and 3 relators and Kaplansky Zero Divisor Conjecture

10 votes
2 answers
432 views

Groups with no bounds on the size of abelian subgroups without infinite ones

9 votes
3 answers
527 views

Nilpotency class of a certain finite 2-group

9 votes
1 answer
683 views

History of a conjecture/problem non-inner automorphisms of order p in finite p-groups

9 votes
1 answer
2k views

The line graphs of complete graphs and Cayley graphs

8 votes
2 answers
974 views

A flag complex is contractible iff the underlying graph is....?

8 votes
1 answer
546 views

The parity of the full automorphism group order of finite non-abelian groups of prime exponent

6 votes
2 answers
245 views

Zero divisors with support of size 3 in group algebras of finite groups

6 votes
0 answers
219 views

Is always the ratio (number of commuting pairs of elements in a ring or a Lie algebra)/(the size of the ring or the Lie algebra) integer?

6 votes
1 answer
346 views

Zero divisors in complex group algebras of residually finite groups

6 votes
0 answers
153 views

The possibility of a symmetric difference in a torsion-free group

6 votes
1 answer
322 views

A finitely presented group with two simple relations

5 votes
1 answer
716 views

Finitely generated solvable groups all of whose abelian normal subgroups are finite

5 votes
0 answers
246 views

Does Kaplansky's Zero Divisor Conjecture hold valid for (torsion-free) residually finite groups?

5 votes
2 answers
848 views

Can the friendship graph be determind by its adjacency spectrum?

4 votes
3 answers
2k views

Factorial-inequalities

4 votes
1 answer
232 views

Finite groups having no dihedral subgroup of order $2p$ for any odd prime $p$

4 votes
2 answers
365 views

A Min Max problem for graphs? Is it well-known?

4 votes
0 answers
163 views

Minimal number of defining relators of a finite $p$-group on a minimal generating set

3 votes
1 answer
185 views

A possible presentation with 2 generators and 2 relators for $C_4 \cdot D_8$

3 votes
0 answers
167 views

Solvable groups in which all subgroups are supplemented

3 votes
0 answers
195 views

Vector spaces over a field of prime order with certain hyperplanes

3 votes
1 answer
629 views

Strongly regular graphs with the same parameters as Paley graph

3 votes
0 answers
59 views

Zero divisors with support size 3 in complex group algebras of residually finite groups

3 votes
0 answers
86 views

Cubic Directed Cayley graphs of 2-generated torsion-free groups

3 votes
0 answers
168 views

Existence of any strong form of Folner condition for elementary amenable groups

3 votes
1 answer
828 views

Continuous function defined by measurable sets

3 votes
0 answers
174 views

Nilpotent Groups of Generalized Prime Exponent

3 votes
0 answers
89 views

Infinite finitely generated groups whose Frattini factors are Klein 4-group