activity
20102026
most citedHomomorphisms of quantum groups

44 citations · 194 across the 23 of their papers we have counts for

collaborators

24 papers

math.OA2026

On the path correspondences of quantum graphs

Sourav Khatua, Sutanu Roy

We introduce notions of path indicators and path correspondences for finite quantum graphs, study their basic properties, and compute them explicitly for classical graphs, trivial…

math.QA2022★ 3 cited

Anyonic quantum symmetries of finite spaces

Anshu, Suvrajit Bhattacharjee, Atibur Rahaman +1

We construct a braided analogue of the quantum permutation group and show that it is the universal braided compact quantum group acting on a finite space in the category of $\mathb…

math.OA2022★ 4 cited

Braided quantum symmetries of graph -algebras

Suvrajit Bhattacharjee, Soumalya Joardar, Sutanu Roy

We prove the existence of a universal braided compact quantum group acting on a graph -algebra in the category of --algebras with a twisted…

math.QA2021

Homogeneous quantum symmetries of finite spaces over the circle group

Sutanu Roy

Suppose is a finite dimensional C*-algebra carrying a continuous action of the circle group . We study the quantum symmetry group of , taking $\over…

hep-ph2020

Chemical freeze-out systematics of thermal model analysis using hadron yield ratios

Sumana Bhattacharyya, Amaresh Jaiswal, Sutanu Roy

We provide a framework to estimate the systematic uncertainties in chemical freeze-out parameters extracted from analysis of thermal model, using hadron multiplicity ratios i…

hep-ph2020★ 26 cited

Dynamics of QCD Matter -- current status

Amaresh Jaiswal, Najmul Haque, Aman Abhishek +58

In this article, there are 18 sections discussing various current topics in the field of relativistic heavy-ion collisions and related phenomena, which will serve as a snapshot of…

math.OA2020★ 4 cited

Quantum groups for complex deformation parameters

Atibur Rahaman, Sutanu Roy

We construct a family of deformations of group for nonzero complex parameters as locally compact braided quantum groups over the circle group viewed…

hep-ph2019★ 10 cited

Viscosity, non-conformal equation of state and sound velocity in Landau hydrodynamics

Deeptak Biswas, Kishan Deka, Amaresh Jaiswal +1

We find an analytical solution to relativistic viscous hydrodynamics for a 1+1 dimensional Landau flow profile. We consider relativistic Navier-Stokes form of the dissipative hydro…

math.OA2019★ 4 cited

Braided free orthogonal quantum groups

Ralf Meyer, Sutanu Roy

We construct some braided quantum groups over the circle group. These are analogous to the free orthogonal quantum groups and generalise the braided quantum SU(2) groups for comple…

math.OA2018★ 4 cited

Quantum symmetries of the twisted tensor products of C*-algebras

Jyotishman Bhowmick, Arnab Mandal, Sutanu Roy +1

We consider the construction of twisted tensor products in the category of C*-algebras equipped with orthogonal filtrations and under certain assumptions on the form of the twist c…

math.OA2017★ 2 cited

Braided multiplicative unitaries as regular objects

Ralf Meyer, Sutanu Roy

We use the theory of regular objects in tensor categories to clarify the passage between braided multiplicative unitaries and multiplicative unitaries with projection. The braided…

math.OA2016★ 3 cited

Landstad-Vaes theory for locally compact quantum groups

Sutanu Roy, S. L. Woronowicz

Landstad-Vaes theory deals with the structure of the crossed product of a C-algebra by an action of locally compact (quantum) group. In particular it describes the position of…

math.OA2016★ 7 cited

Semidirect products of C*-quantum groups: multiplicative unitaries approach

Ralf Meyer, Sutanu Roy, Stanisław Lech Woronowicz

C*-quantum groups with projection are the noncommutative analogues of semidirect products of groups. Radford's Theorem about Hopf algebras with projection suggests that any C*quant…

math.OA2016★ 2 cited

Braided quantum groups and their bosonizations in the -algebraic framework

Sutanu Roy

We present a general theory of braided quantum groups in the C*-algebraic framework using the language of multiplicative unitaries. Starting with a manageable multiplicative unitar…

math.OA2015★ 3 cited

The maximal quantum group-twisted tensor product of C*-algebras

Sutanu Roy, Thomas Timmermann

We construct a maximal counterpart to the minimal quantum group-twisted tensor product of -algebras studied by Meyer, Roy and Woronowicz, which is universal with respect to…

math.OA2015★ 2 cited

Duality for convex monoids

Frank Roumen, Sutanu Roy

Every C*-algebra gives rise to an effect module and a convex space of states, which are connected via Kadison duality. We explore this duality in several examples, where the C*-alg…

math.OA2015★ 3 cited

Faithful actions of locally compact quantum groups on classical spaces

Debashish Goswami, Sutanu Roy

It is well-known that no non-Kac compact quantum group can faithfully act on for a classical, compact Hausdorff space . However, in this article we show that this is no l…

math.OA2015★ 18 cited

Quantum group-twisted tensor products of C*-algebras II

Ralf Meyer, Sutanu Roy, Stanisław Lech Woronowicz

For a quasitriangular C*-quantum group, we enrich the twisted tensor product constructed in the first part of this series to a monoidal structure on the category of its continuous…

math.OA2014

Regularity for braided multiplicative unitaries

David Buecher, Sutanu Roy

We generalise the notions of semi-regularity, regularity, and bi-regularity to unitary solutions of the braided Pentagon equation in concrete W*-categories with semi-regular/regula…

math.OA2014★ 16 cited

Braided quantum SU(2) groups

Paweł Kasprzak, Ralf Meyer, Sutanu Roy +1

We construct a family of q-deformations of SU(2) for complex parameters q not equal to 0. For real q, the deformation coincides with Woronowicz' compact quantum SU_q(2) group. For…

math.OA2014

The Haagerup property for Drinfeld doubles

Sutanu Roy

We show that Drinfeld's double group construction for locally compact quantum groups preserves the Haagerup property. This shows that the Drinfeld doubles of the quantum groups, $C…

math.OA2014★ 13 cited

The Drinfeld double for C*-algebraic quantum groups

Sutanu Roy

In this article, we establish the duality between the generalised Drinfeld double and generalised quantum codouble within the framework of modular or manageable (not necessarily re…

math.OA2013★ 26 cited

Quantum group-twisted tensor products of C*-algebras

Ralf Meyer, Sutanu Roy, Stanislaw Lech Woronowicz

We put two C*-algebras together in a noncommutative tensor product using quantum group coactions on them and a bicharacter relating the two quantum groups that act. We describe thi…

math.OA2010★ 44 cited

Homomorphisms of quantum groups

Ralf Meyer, Sutanu Roy, Stanisław Lech Woronowicz

We introduce some equivalent notions of homomorphisms between quantum groups that behave well with respect to duality of quantum groups. Our equivalent definitions are based on bic…