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Pjotr5

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elementary-number-theory

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6 Questions

Votes Activity Newest Views

1

6

votes

0

answers

65

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A question about the odd sized minors of a certain matrix

linear-algebra

Jul 13 '15 at 12:23 hardmath 33.3k

5

votes

2

answers

272

views

A combinatorial interpretation of a counting problen

combinatorics rectangles

Aug 5 '16 at 1:03 bof 64.4k

2

votes

1

answer

371

views

Show this polynomial has a unique positive root.

real-analysis polynomials roots

Jun 26 '18 at 18:02 Batominovski 47.1k

3

2

votes

1

answer

81

views

Does $x^n+1 \equiv 0 \pmod{n}$ imply $\text{gcd}(x+1,n)>1$?

modular-arithmetic

Dec 17 '17 at 21:37 Sota Antonino 193

1

vote

0

answers

48

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Sufficient conditions for optimization

reference-request optimization convex-analysis convex-optimization maxima-minima

Mar 2 '18 at 10:57 Pjotr5 2,005

1

vote

1

answer

24

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Sufficiency for convergence of a sequence $a_n$ satisfying a certain property

real-analysis sequences-and-series inequality

Oct 18 '17 at 23:05 Petr Naryshkin 776

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