Department of Mathematics

Indian Institute Of Technology Madras , Chennai
Dr. Sumesh K
NAC 632

Assistant Professor


Operator Algebra, Operator theory, Quantum information theory


044 - 2257 4642


RESEARCH GROUPS Analysis Operator Algebras

Teaching :

Recent Publications :

Mapping cone of k-entanglement breaking maps

Authors : Repana Devendra, Nirupama Mallick, K. Sumesh

Journal : Positivity

Volume :27 Page: Paper No. 5, 32 pp DOI: 10.1007/s11117-022-00956-4

Year: 2023

C*-extreme points of entanglement breaking maps

Authors : B. V. Rajarama Bhat, Repana Devendra, Nirupama Mallick, K. Sumesh

Journal : Rev. Math. Phys.

Volume :35 Page: Paper No. 2350005, 17 pp DOI: 10.1142/S0129055X23500058

Year: 2023

On a generalization of Ando's dilation theorem

Authors : Nirupama Mallick and K. Sumesh

Journal : Acta Sci. Math. (Szeged)

Volume :86 Page: 273-286 DOI: 10.14232/actasm-019-775-2

Year: 2020

Regular representations of completely bounded maps

Authors : Bhat, B. V. Rajarama and Mallick, Nirupama and Sumesh, K.

Journal : Pacific J. Math.

Volume :289 Page: 257-286 DOI: 10.2140/pjm.2017.289.257

Year: 2017

On a tensor-analogue of the Schur product

Authors : Sumesh, K. and Sunder, V. S.

Journal : Positivity

Volume :20 Page: 621-624 DOI: 10.1007/s11117-015-0377-x

Year: 2016

CP-H-extendable maps between Hilbert modules and CPH-semigroups

Authors : Skeide, Michael and Sumesh, K.

Journal : J. Math. Anal. Appl.

Volume :414 Page: 886-913 DOI: 10.1016/j.jmaa.2014.01.024

Year: 2014

Bures distance for completely positive maps

Authors : Bhat, B. V. Rajarama and Sumesh, K.

Journal : Infin. Dimens. Anal. Quantum Probab. Relat. Top.

Volume :16 Page: 1350031, 22 DOI: 10.1142/S0219025713500318

Year: 2013

Stinespring's theorem for maps on Hilbert C*-modules

Authors : Bhat, B. V. Rajarama and Ramesh, G. and Sumesh, K.

Journal : J. Operator Theory

Volume :68 Page: 173-178

Year: 2012