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New posts in Co.Combinatorics
Listing all posets on 9 points?
Apr 25, 2021
Decomposing square of side length $n$ into $n$ squares in a certain "maximal" way
Apr 25, 2021
Looking for a combinatorial proof for a Catalan identity
Apr 25, 2021
De Bruijn's sequence is odd iff $n=2^m-1$: Part I
Apr 25, 2021
Maximum number of vectors with upper bound on pairwise inner products
Apr 25, 2021
Can every involution of a symmetric directed graph be written as a power of another symmetry?
Apr 25, 2021
Product of two reflections lying in a parabolic subgroup of a Coxeter group
Apr 25, 2021
Counting monomials in product polynomials: Part I
Apr 25, 2021
Ehrhart period collapse for $123\ldots k$-avoiding Birkhoff polytope?
Apr 25, 2021
Alternative proofs sought after for a certain identity
Apr 25, 2021
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