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math.AC2018
On $\g$- and local $\g$-Vectors of the Interval Subdivision
Imran Anwar, Shaheen Nazir
We show that the $\g$-vector of the interval subdivision of a simplicial complex with a nonnegative and symmetric -vector is nonnegative. In particular, we prove that such $\g$-…
math.AC2018★ 12 cited
The - and -vectors of Interval Subdivisions
Imran Anwar, Shaheen Nazir
The interval subdivision Int of a simplicial complex was introduced by Walker. We give the complete combinatorial description of the entries of the transformation matrices…