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for questions involving inequalities, upper and lower bounds.

8 votes
1 answer
788 views

A curious inequality concerning binomial coefficients

Has anyone seen an inequality of this form before? It seems to be true (based on extensive testing), but I am not able to prove it. Let $a_1,a_2,\ldots,a_k$ be non-negative integers such that $\sum_i …
Navin K.'s user avatar
  • 133
5 votes
0 answers
227 views

An inequality concerning non-negative integer matrices with constant row and column sums

[I posted this question on math.stackexchange a few weeks back, but no luck there so far: https://math.stackexchange.com/questions/1095659/an-inequality-concerning-non-negative-integer-matrices-with-c …
Navin K.'s user avatar
  • 133