Vladimir Manuilov

Moscow Regional Psychiatry Hospital No.5

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M. Yu. Glyavin

Institute of Applied Physics

Klaus Thomsen

Aarhus University

Evgenij Troitsky

Lomonosov Moscow State University

T. Idehara

University of Fukui

I. V. Zotova

Institute of Applied Physics

Michael Frank

Leipzig University of Applied Sciences

Mohammad Sal Moslehian

Ferdowsi University of Mashhad

I. V. Bandurkin

Institute of Applied Physics

AÉ

A. É. Fedotov

Institute of Applied Physics

S. Mitsudo

University of Fukui

Cooperative Institutions

Institute of Applied Physics

Russian Academy of Sciences

A.M. Obukhov Institute of Atmospheric Physics

University of Fukui

Plasma (Russia)

Yaroslav-the-Wise Novgorod State University

N. I. Lobachevsky State University of Nizhny Novgorod

Saratov State University

Fukui University of Technology

Osaka University

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C*-reflexivity doesn't pass to quotients

Banach Journal of Mathematical Analysis (2011)

Vladimir Manuilov Jingming Zhu

Reflexivity

Reflexive operator algebra

Nest algebra

10.15352/bjma/1313363007

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EXPERIMENTAL TEST OF NEW GENERATION TECHNOLOGICAL GYROTRON SETUP WITH HIGH POWER AND EFFICIENCY

M. D. Proyavin М. В. Морозкин Vladimir Manuilov E. A. Soluyanova E.M. Tai

Gyrotron

10.59043/9785604953914_57

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On the C*-algebra of matrix-finite bounded operators.

arXiv (Cornell University) (2018)

Vladimir Manuilov

Let $H$ be a separable Hilbert space with a fixed orthonormal basis. Let $\mathbb B^{(k)}(H)$ denote the set of operators, whose matrices have no more than $k$ non-zero entries in each line and in each column. The closure of the union (over $k\in\mathbb N$) of $\mathbb B^{(k)}(H)$ is a C*-algebra. We study some properties of this C*-algebra. We show that this C*-algebra is not an AW*-algebra, has a proper closed ideal greater than compact operators, and its group of invertibles is contractible.

Banach algebra

Basis (linear algebra)

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The group of unital $C^*$-extensions

arXiv (Cornell University) (2005)

Vladimir Manuilov Klaus Thomsen

Let $A$ and $B$ be separable $C^*$-algebras, $A$ unital and $B$ stable. It is shown that there is a natural six-terms exact sequence which relates the group which arises by considering all semi-split extensions of $A$ by $B$ to the group which arises by restricting the attention to \emph{unital} semi-split extensions of $A$ by $B$. The six-terms exact sequence is an unpublished result of G. Skandalis.

Unital

Sequence (biology)

Exact sequence

10.48550/arxiv.math/0501472

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Extensions of Hilbert C*-modules: Classification in simple cases

Russian Journal of Mathematical Physics (2012)

Vladimir Manuilov Zhu Jingming

Hilbert scheme

Hilbert's basis theorem

Invariant theory

Rank (graph theory)

Hilbert's fourteenth problem

Hilbert–Poincaré series

10.1134/s1061920812020069

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Left multipliers of reproducing kernel Hilbert C⁎-modules and the Papadakis theorem

Journal of Mathematical Analysis and Applications (2021)

Mostafa Ghaemi Vladimir Manuilov Mohammad Sal Moslehian

Kernel (algebra)

Duality (order theory)

10.1016/j.jmaa.2021.125471

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Отображение Конна - Хигсона является изоморфизмом

Успехи математических наук (2001)

Vladimir Manuilov Vladimir Manuilov Клаус Томсен Klaus Thomsen

10.4213/rm428

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Multipliers of 𝐴-compact operators. Structure results

Translations of mathematical monographs (2005)

Vladimir Manuilov Evgenij Troitsky

10.1090/mmono/226/05

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Foreword

Journal of Mathematical Sciences (2009)

Vladimir Manuilov A. S. Mishchenko

10.1007/s10958-009-9464-5

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Development of highly efficient technological medium-power multi-frequency gyrotrons for plasma applications based on magnetically-shielded solenoids

M. D. Proyavin Vladimir Manuilov М. В. Морозкин Dmitry Sobolev M. Yu. Glyavin

Due to a growing interest for microwave radiation sources with a radiation frequency of several tens of GHz and output power of several tens of kW, we developed a new generation of technological gyrotron setups. The key feature of these systems is a novel magnetic system based on magnetically shielded solenoids (MSS). This magnetic system is several times more energy efficient than the common warm solenoids and it also allows to control the properties of the helical electron beam to make it interact with various cavity modes. The developed MSS provides a high field induction in the interaction space and a small stray field, so the gyrotron can operate in wide range of magnetic fields (from 1 T to 1.8 T in relatively low-consumption regime). It allows a gyrotron complex to operate within a wide frequency range (from 24 to 50 GHz on main cyclotron resonance). A total system efficiency expected to be about 35%, which is significantly higher than the existing analogs.

Gyrotron

Shielded cable

Electron cyclotron resonance

10.1117/12.2580643

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