28

Answers
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37
Show that this ratio of factorials is always an integer
23
New grand projects in contemporary math
19
Math for a cake
11
Bounded Hamming distance (2)
10
Should science authors discourage / boycott the recent push for author IDs
10
Ways of choosing k items out of n with exactly one symbol in common
8
Role of applications in modern mathematics
8
Mathematical Paper That Just Links Two Different Fields of Sciences
8
Modern Mathematical Achievements Accessible to Undergraduates
8
What are some examples of mathematicians who had an unconventional education?
7
Is there any proof that you feel you do not “understand”?
6
Best upper bound on rate for q-ary codes
5
What is the largest number of k-element subsets of a given n-element set S such that…
5
What are the major open problems in design theory nowaday?
5
Is there an infinite number of combinatorial designs with $r=\lambda^{2}$
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What is a random number? (poll experiment)
3
Block design question
3
Resolvable designs from projective space
3
Uniform 4-hypergraph avoiding 2-cycles
2
Pairwise balanced designs with $r=\lambda^{2}$
2
Function (/matrix) to generate linearly independent vectors.
2
Handling arXiv feeds to avoid duplicates
2
Hot-topics in error correcting coding related to interesting math. ?
2
Proofs that inspire and teach
2
Good codes in practice for correcting combination of errors and erasures
2
Two questions about combinatorics journals
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Orthogonal Latin Square 6*6
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Non-constructive proofs vs. efficient algorithms