42 citations · 240 across the 49 of their papers we have counts for
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math.KT2001★ 33 cited
The obstruction to excision in K-theory and in cyclic homology
Guillermo Cortiñas
Let be a ring homomorphism of not necessarily unital rings and an ideal which is mapped by f isomorphically to an ideal of B. The obstruction to exci…
math.AG2001★ 3 cited
De Rham and infinitesimal cohomology in Kapranov's model for noncommutative algebraic geometry
Guillermo Cortinas
The title refers to the nilcommutative or -schemes introduced by M. Kapranov in math.AG/9802041. The latter are noncommutative nilpotent thickenings of commutative schemes. We…