30 citations · 86 across the 10 of their papers we have counts for
Showing math.OAShow all
2 papers · 1 filter
math.OA2024
On the Weak Contractibility of the Space of Pure States
Daniel D. Spiegel, Markus J. Pflaum
We prove that the space of pure states of a nonelementary, simple, separable, real rank zero -algebra has trivial homotopy groups of…
math.OA2021
Continuous Dependence on the Initial Data in the Kadison Transitivity Theorem and GNS Construction
Daniel Spiegel, Juan Moreno, Marvin Qi +3
We consider how the outputs of the Kadison transitivity theorem and Gelfand-Naimark-Segal construction may be obtained in families when the initial data are varied. More precisely,…