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math.AG2001★ 2 cited
A general Plucker formula
Naichung Conan Leung
We prove a formula which compares intersection numbers of conormal varieties of two projective varieties and their dual varieties. When one of them is linear, we can recover the us…
math.AG2001
The signature of a toric variety
Naichung Conan Leung, Victor Reiner
We identify a combinatorial quantity (the alternating sum of the h-vector) defined for any simple polytope as the signature of a toric variety. This quantity was introduced by Char…