198 citations · 1.1k across the 43 of their papers we have counts for
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math.DG1998★ 2 cited
Novikov-Shubin invariants and asymptotic dimensions for open manifolds
Daniele Guido, Tommaso Isola
The Novikov-Shubin numbers are defined for open manifolds with bounded geometry, the Gamma-trace of Atiyah being replaced by a semicontinuous semifinite trace on the C*-algebra of…
math.OA1998★ 10 cited
Noncommutative Riemann integration and and Novikov-Shubin invariants for open manifolds
Daniele Guido, Tommaso Isola
Given a C*-algebra A with a semicontinuous semifinite trace tau acting on the Hilbert space H, we define the family R of bounded Riemann measurable elements w.r.t. tau as a suitabl…