User M.H.Hooshmand

23 votes

2 answers

2k views

Are such functions differentiable?

asked Jan 10, 2021 at 4:02

11 votes

1 answer

717 views

Factorization of a finite group by two subsets

asked Jul 24, 2014 at 10:10

7 votes

0 answers

378 views

General solution of the Multiplicative symmetry equation $f(xf(y))=f(f(x)y)$ in nonabelian groups

asked Jan 6, 2017 at 10:00

6 votes

2 answers

350 views

Cardinality of factors of infinite non-abelian groups

asked Mar 26, 2016 at 7:13

5 votes

2 answers

689 views

Factor subsets of a finite group

asked Jan 28, 2014 at 18:41

4 votes

0 answers

560 views

A question about finite groups (a weak version of the converse of Lagrange theorem) [closed]

asked Sep 26, 2013 at 6:25

4 votes

1 answer

434 views

Regarding a new algebraic structure

asked Jul 31, 2017 at 9:58

4 votes

1 answer

189 views

Some questions about homogroups

asked Jan 14, 2018 at 4:18

4 votes

0 answers

260 views

A big class of finite groups

asked Feb 19, 2021 at 4:24

3 votes

0 answers

79 views

Semigroups containing an ideal with a local identity

asked Oct 14, 2017 at 6:49

3 votes

2 answers

632 views

Solution of the functional equation $f(x+1)=g(x)f(x)$

asked Nov 22, 2017 at 6:19

3 votes

2 answers

481 views

Two equivalent statements about primes

asked Oct 28, 2016 at 17:11

2 votes

0 answers

254 views

Convergence of a tetration series

asked Mar 21, 2017 at 12:17

2 votes

1 answer

205 views

Difference sequences of sets of integers

asked May 10, 2022 at 19:15

1 vote

1 answer

218 views

General solution of a linear functional equation

asked Sep 17, 2020 at 7:47

1 vote

0 answers

144 views

Combination of two recent problems about finite groups of square orders

asked Aug 8, 2014 at 6:13

1 vote

0 answers

103 views

Lower periodic subsets of groups and semigroups

asked Nov 14, 2014 at 6:11

0 votes

1 answer

81 views

About $c(A)$ in $c(A)|A|\leq |A^{-1}A|$

asked Feb 9, 2016 at 9:38

0 votes

0 answers

88 views

Infinite difference length of integer subsets

asked Aug 11, 2018 at 7:05

0 votes

0 answers

206 views

Groups of orders $7!$ and $\frac{7!}{2}$

asked Sep 15, 2022 at 18:02

-3 votes

1 answer

173 views

Even-odd partitioned groups! [closed]

asked Jan 31, 2016 at 9:41

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21 Questions

Are such functions differentiable?

Factorization of a finite group by two subsets

General solution of the Multiplicative symmetry equation $f(xf(y))=f(f(x)y)$ in nonabelian groups

Cardinality of factors of infinite non-abelian groups

Factor subsets of a finite group

A question about finite groups (a weak version of the converse of Lagrange theorem) [closed]

Regarding a new algebraic structure

Some questions about homogroups

A big class of finite groups

Semigroups containing an ideal with a local identity

Solution of the functional equation $f(x+1)=g(x)f(x)$

Two equivalent statements about primes

Convergence of a tetration series

Difference sequences of sets of integers

General solution of a linear functional equation

Combination of two recent problems about finite groups of square orders

Lower periodic subsets of groups and semigroups

About $c(A)$ in $c(A)|A|\leq |A^{-1}A|$

Infinite difference length of integer subsets

Groups of orders $7!$ and $\frac{7!}{2}$

Even-odd partitioned groups! [closed]