C. Kriegler

activity

20122024

most citedSpectral multipliers for wave operators

4 citations · 7 across the 5 of their papers we have counts for

collaborators

Showing 2019Show all

2 papers · 1 filter

math.CA2019★ 1 cited

$H^{\infty}$ calculus for submarkovian semigroups on weighted $L^{2}$ spaces

Komla Domelevo, Christoph Kriegler, Stefanie Petermichl

Let $(T_{t})_{t \geq 0}$ be a markovian (resp. submarkovian) semigroup on some $σ$ -finite measure space $(Ω, μ)$ . We prove that its negative generator $A$ has a bounded $H^\infty(Σ_θ)…

math.OA2019

Riesz transforms, Hodge-Dirac operators and functional calculus for multipliers I

Cédric Arhancet, Christoph Kriegler

In this work, we solve the problem explicitly stated at the end of a paper of Junge, Mei and Parcet [JEMS2018, Problem C.5] for a large class of groups including all amenable group…

H∞ calculus for submarkovian semigroups on weighted L2 spaces

Riesz transforms, Hodge-Dirac operators and functional calculus for multipliers I

$H^{\infty}$ calculus for submarkovian semigroups on weighted $L^{2}$ spaces