Waldhausen null-homotopy conjecture for rigid analytic spaces

Let TT be an adic ring over Zp\mathbb{Z}_p with a two-sided ideal II such that each T/InT/I^n for ne0n e 0 is finite of order a power of pp. Let XX be a rigid analytic space separated and of finite type over Qp\mathbb{Q}_p, and suppose that Dperf(X,T)\mathbb{D}_{\mathrm{perf}}(X_\sharp,T) for =eˊt\sharp=\text{\'et} has a Waldhausen structure and that the Waldhausen exact functor RΓ?(X,.)R\Gamma_?(X_\sharp,.), with ?=?=\emptyset, is defined.

Waldhausen null-homotopy conjecture. The induced map

KDperf(X,T)KDperf(T)\mathbb{K}\mathbb{D}_{\mathrm{perf}}(X_\sharp,T)\longrightarrow \mathbb{K}\mathbb{D}_{\mathrm{perf}}(T)

is homotopic to the zero map.

This predicts a vanishing phenomenon for the KK-theory map induced by derived global sections in the pp-adic setting. The surrounding discussion indicates that the expected proof should use finiteness and cohomological-dimension results, but no proof or resolution is supplied here.

Sources & referencesView supporting material

Primary source

Xin Tong, “Hodge-Iwasawa Theory I”, arXiv:2006.03692 (2020).

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