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M.H.Hooshmand
  • Member for 11 years, 2 months
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Groups of orders $7!$ and $\frac{7!}{2}$
@ verret- I read it, but since I'm not a specialist in group theory, I'm not familiar with many concepts in your answer.
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Groups of orders $7!$ and $\frac{7!}{2}$
@ Derek Holt - Many thanks.
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Difference sequences of sets of integers
@-Glorfindel. Thanks, good explanation.
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Difference sequences of sets of integers
@-Glorfindel. Thanks, interesting idea. Could you please give details about the last part of your proof ( $A_N$ should contain all even numbers)?
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Difference sequences of sets of integers
@-Thomas Bloom. Thanks again. So we can say $N\leq s$. Any idea for the exact value of $N$?
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Difference sequences of sets of integers
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Difference sequences of sets of integers
Thus, let me to replace it by another question.
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Difference sequences of sets of integers
@-Thomas Bloom. Oh yes, right, easy to prove!. Thanks.
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Factorizable groups
@ -Taras Banakh No problem, it was just for your information.
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Factorizable groups
This question was asked in 2014 (see the above links), and then in The Kourovka Notebook2018. There are many published papers about it.
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Factorizable groups
Also, see mathoverflow.net/questions/155986/factor-subset-of-finite-gr‌​oup. and The Kourovka Notebook (2018) Question 19.35.
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