Cédric Arhancet

activity

20092026

most citedNoncommutative Figa-Talamanca-Herz algebras for Schur multipliers

5 citations · 13 across the 35 of their papers we have counts for

collaborators

Showing 2019Show all

5 papers · 1 filter

math.OA2019

2-positive contractive projections on noncommutative $L^{p}$ -spaces

Cédric Arhancet, Yves Raynaud

We prove the first theorem on projections on general noncommutative $L^{p}$ -spaces associated with non-type I von Neumann algebras where $1 ⩽ p < \infty$ . This is th…

math.OA2019

Dilations of markovian semigroups of measurable Schur multipliers

Cédric Arhancet

Using probabilistic tools, we prove that any weak* continuous semigroup $(T_{t})_{t \geq 0}$ of selfadjoint unital completely positive measurable Schur multipliers acting on the spac…

math.OA2019

Contractively decomposable projections on noncommutative $L^{p}$ -spaces

Cédric Arhancet

We describe and characterize the contractively decomposable projections on noncommutative $L^{p}$ -spaces. Our result relies on a new lifting result for decomposable maps of…

math.OA2019★ 1 cited

Positive contractive projections on noncommutative $L^{p}$ -spaces and nonassociative $L^{p}$ -spaces

Cédric Arhancet

We continue our investigation of contractive projections on noncommutative $L^{p}$ -spaces where $1 < p < \infty$ started in \cite{ArR19}. We improve the results of \cite{ArR…

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…

2-positive contractive projections on noncommutative Lp-spaces

Dilations of markovian semigroups of measurable Schur multipliers

Contractively decomposable projections on noncommutative Lp-spaces

Positive contractive projections on noncommutative Lp-spaces and nonassociative Lp-spaces

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

2-positive contractive projections on noncommutative $L^{p}$ -spaces

Contractively decomposable projections on noncommutative $L^{p}$ -spaces

Positive contractive projections on noncommutative $L^{p}$ -spaces and nonassociative $L^{p}$ -spaces