The local Euler obstruction and topology of the stabilization of associed determinantal varieties.
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This work has two complementary parts, in the first part we compute the local Euler obstruction of generic determinantal varieties and apply this result to compute the Chern-Schwartz-MacPherson class of such varieties. In the second part we compute the Euler characteristic of the stabilization of an essentially isolated determinantal singularity (EIDS).The formula is given in terms of the local Euler obstruction and Gaffney’s md multiplicity.