Mark E. Walker

activity

20102024

most citedChern Characters for Twisted Matrix Factorizations and the Vanishing of the Higher Herbrand Difference

2 citations · 4 across the 4 of their papers we have counts for

collaborators

Showing 2010 · math.KTShow all

1 paper · 2 filters

math.KT2010★ 1 cited

A negative answer to a question of Bass

G. Cortiñas, C. Haesemeyer, Mark E. Walker +1

In this companion paper to arXiv:0802.1928 we provide an example of an isolated surface singularity $R$ over a number field such that $K_{0} (R) = K_{0} (R [t])$ but $K_0(R) \neq K_0(R[t_…