activity
20062021
most citedExtreme flatness of normed modules and Arveson-Wittstock type theorems

4 citations · 5 across the 8 of their papers we have counts for

collaborators

9 papers

math.FA2021

Free and projective generalized multinormed spaces

A. Ya. Helemskii, T. Oikhberg

The paper investigates free and projective -spaces, where is a given normed space. These spaces form a far-reaching generalization of known -multinormed space…

math.FA2020

The existence of -convex tensor products of -spaces for the case of an arbitrary measure

A. Ya. Helemskii

We obtain a far-reaching generalization (in several directions) of the theorem of A. Lambert on the existence of the projective tensor product of operator sequence spaces. This res…

math.FA2017

Projective and free matricially normed spaces

A. Ya. Helemskii

We study metrically projective and metrically free matricially normed spaces. We describe these spaces in terms of a special space , the space of matrices…

math.FA2017

Structures on the way from classical to quantum spaces and their tensor products

A. Ya. Helemskii

We study tensor products of two structures situated, in a sense, between normed spaces and (abstract) operator spaces. We call them Lambert and proto-Lambert spaces and pay more at…

math.FA2017

Projective tensor product of protoquantum spaces

A. Ya. Helemskii

A proto-quantum space is a (general) matricially normed space in the sense of Effros and Ruan presented in a `matrix-free' language. We show that these spaces have a special (proje…

math.OA2017

Projective quantum modules and projective ideals of C*-algebras

A. Ya. Helemskii

We introduce in non-coordinate presentation the notions of a quantum algebra and of a quantum module over such an algebra. Then we give the definition of a projective quantum modul…