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Sutanu Roy, Assistant Professor.

School of Mathematical Sciences
National Institute of Science Education and Research (NISER) Bhubaneswar


P.O. Bhimpur-Padanpur, Via- Jatni, Khurda
PIN-752050, Odisha, India.

Office M-229

Email: sutanu♠[at]♠niser♠[dot]♠ac♠[dot]♠in (please remove ♠)

Phone: +91-674-249-4094

Fax: +91-674-2304081

Education High School (X), 2001, Scottish Church Collegiate School, Kolkata, India.

Higher Seconday (XII), 2003, Scottish Church Collegiate School, Kolkata, India.

B.Sc., 2006, Scottish Church College, University of Calcutta, Kolkata India.

M.Sc., 2009, Indian Institute of Technology Guwahati, Guwahati, India. Project advisor: Anupam Saikia.

Dr. rer. nat., 2013, Georg-August-Universität Göttingen, Göttingen, Germany. Thesis advisor: Ralf Meyer (my Mathematics Genealogy Project location).

Postdoc positions Postdoctoral fellow in the DFG Reserch Training Group 1493 at the Mathematisches Institut, Georg-August-Universität Göttingen from October-December, 2013 with Ralf Meyer.

Fields-Ontario Postdoctoral fellow in the

  • Fields Institute from January-June, 2014.

  • Department of Mathematics and Statistics, University of Ottawa from January-June, 2015 with Benoît Collins.

  • School of Mathematics and Statistics, Carleton University from July, 2015-June, 2016 with Matthias Neufang.


  • Visiting Scientist in the Stat-Math Unit, Indian Statistical Institute Kolkata during July-September (10th), 2016 and September (9th)-December 2014 with Debashish Goswami.




    Research

    Research Interest: Topological Quantum Groups, Operator Algebras, Noncommutative Geometry.


    Published and Accepted Articles (MathSciNet and Google Scholar pages)
    1. Ralf Meyer, Sutanu Roy, Braided multiplicative unitaries as regular objects , (to appear in the Proceedings of the 9th MSJ-SI "Operator algebras and mathematical physics" held in Sendai, Japan in 2016), [arXiv:1701.00020]
    2. Sutanu Roy, Thomas Timmermann, The maximal quantum group-twisted tensor product of C*-algebras, J. Noncommut. Geom. (accepted), [arXiv:1511.06100]
    3. Debashish Goswami, Sutanu Roy, Faithful actions of locally compact quantum groups on classical spaces, Lett. Math. Phys. (First Online 3 March 2017)
    4. Frank Roumen, Sutanu Roy, Duality for convex monoids, Order 34 (2017), no. 2, 349–362.
    5. Ralf Meyer, Sutanu Roy, Stanisław Lech Woronowicz, Semidirect products of C*-quantum groups: multiplicative unitaries approach, Commun. Math. Phys. 351 (2017), no. 1, 249-282.
    6. Paweł Kasprzak, Ralf Meyer, Sutanu Roy, Stanisław Lech Woronowicz, Braided quantum SU(2) groups , J. Noncommut. Geom. 10 (2016), no. 4, 1611-1625.
    7. Ralf Meyer, Sutanu Roy, Stanisław Lech Woronowicz, Quantum group-twisted tensor products of C*-algebras-II, J. Noncommut. Geom. 10 (2016), no. 3, 859-888.
    8. Sutanu Roy, The Drinfeld double for C*-algebraic quantum groups, J. Operator Theory 74 (2015), no. 2, 485--515.
    9. Sutanu Roy, Haagerup property for Drinfeld doubles, Math. Proc. R. Ir. Acad. 115A (2015), no. 1, 9.
    10. Ralf Meyer, Sutanu Roy, Stanisław Lech Woronowicz, Quantum group-twisted tensor products of C*-algebras, Internat. J. of Math. 25 (2014), no.2 1450019, 37.
    11. Ralf Meyer, Sutanu Roy, Stanisław Lech Woronowicz, Homomorphisms of quantum groups, Münster J. of Math. 5 (2012), 1-24.
    Preprints (arXiv page)
    1. Sutanu Roy, Stanisław Lech Woronowicz Landstad-Vaes theory for locally compact quantum groups [arXiv:1606.03728]
    2. Sutanu Roy, Braided C*-quantum groups [arXiv:1601.00169]
    3. David Bücher, Sutanu Roy, Regularity for braided multiplicative unitaries [arXiv:1411.4611]
    4. Sutanu Roy, C*-quantum groups with projection, (Doctoral Thesis), available at Dissertations at Georg-August-Universität Göttingen




    Teaching





    Postdoctoral Fellows, Research and Project Students

    Postdoctoral Researchers




    Achievements





    Academic Visits

    Research Stays
    Conference and Workshop participations (without presentations)
    • Workshop on New Directions in Inverse Semigroups, Ottawa, Canada, 2016.
    • Winter school on Isomorphism conjecture and Geometry of Groups, Münster, Germany,January 2016.
    • Noncommutative Geometry and Spectral Invariants, Montreal, Canada, 2015.
    • Noncommutative geometry and quantum groups, Oslo, Norway, 2012.
    • EU-NCG 4th Annual Meeting, Bucharest, Romania, April, 2011.
    • K-Theory, C*-Algebras and Index Theory, Göttingen, Germany, November 2010.
    • Workshop on Quantum groups and physics, Caen, France, September 2010.
    • Conference Quantum Groups, Clermont-Ferrand, France, August-September 2010.
    • 8th Annual Spring Institute on Noncommutative Geometry and Operator Algebra -Von Neumann Algebras, Vanderbilt University, Nashville, USA, May 2010.
    • Workshop on Multiplicity Conjectures, Resolution of Singularities and Toric Geometry, Indian Institute of Technology Madras, India, December 2008 - January 2009.
    • Research Workshop in Optimization Theory and Applications, Indian Institute of Technology Kanpur, India September 2008.




    Presentations

    In conferences and workshops
    • Invited
      • Braided quantum group structure on quantum plane
        XXXVI Workshop on Geometric Methods in Physics, Białowież (in the S. Twareque Ali Memorial Session), Poland, July 6, 2017.
      • Braided C*-quantum groups and quantum plane
        Non-Commutative Analysis, Institute of Mathematical Sciences Chennai, India, February 7, 2017.
      • Braided free orthogonal quantum groups
        Recent Advances in Operator Theory and Operator Algebras 2016 (OTOA 2016), Indian Statistical Institute Bangalore, India, December 19, 2016.
      • Intrinsic groups of double crossed products
        Workshop on Dynamical Systems and Operator Algebras, University of Ottawa, Canada, May 31, 2016.
      • Duality for convex monoids
        Winter meeting of the Canadian Mathematical Society in the Operator algebra session, Montreal, Canada, December 7, 2015.
      • Faithful actions of locally compact quantum groups on classical spaces
        Banach Algebras and Applications and Retrospective Meeting for the 2014 Thematic Program on Abstract Harmonic Analysis, Banach and Operator Algebras, Fields Institute, Canada, August 8, 2015.
      • Slices of braided multiplicative unitaries
        Summer meeting of the Canadian Mathematical Society in the C*-algebra session, Charlottetown, Canada, June 6, 2015.
      • Quasitriangular quantum group twisted tensor product of C*-algebras
        Fields workshop on Recent Developments in Quantum Groups, Operator Algebras and Applications, University of Ottawa, Canada, February 6, 2015.
      • The Haagerup property of the generalised Drinfeld double
        Workshop on Operator Spaces, Locally Compact Quantum Groups and Amenability (Thematic Program on Abstract Harmonic Analysis, Banach and Operator Algebras), Fields Institute Toronto, Canada, May 29, 2014.
      • Quantum group with projection
        Quantum Geometry and matter, SISSA-Trieste, Italy, April 10, 2013.
      • Quasitriangular quantum groups and coaction category
        10th Geometry and Physics Conference "Quantum Geometry", Crete, Greece, August 7, 2012.
      • Homomorphisms of Quantum Groups
        Operator Algebras and Quantum Groups - conference in honour of Stanisław Lech Woronowicz's seventieth birthday, Warsaw, Poland, September 20, 2011.

    • Contributed
      • Braided commutative representations of C*-algebras
        Canadian Operator Algebra Symposium (COSy), Fields Institute Toronto, Canada, June 23, 2014.
      • C*-Quantum group with projection (Poster)
        SFB-Workshop Groups, Dynamical Systems and C*-Algebras, Münster, Germany, August 21, 2013.
      • Quasitriangular C*-quantum groups and braiding (Poster)
        6th European congress of Mathematics, Krakow, Poland, July 3-4, 2012.
      • Semidirect product of C*-Quantum Groups
        Master class on Quantum Groups, Copenhagen, Denmark, March 8, 2012.
      • Homomorphisms of Quantum Groups,
        7th International Conference Quantum Theory and Symmetries, Prague, Czech Republic, August 11, 2011.
      • Homomorphisms of Quantum Groups,
        XXX Workshop on Geometric Methods in Physics, Białowież, Poland, June 26, 2011.
    In seminars and colloquia
    • 2016
      • Semidirect product of compact quantum groups, Department of Mathematics, Indian Institute of Science Education and Research Mohali, India, August 12.
      • Braided quantum SU(2) groups, Stat-Math Unit, Indian Statistical Institute Delhi, India, August 8.
      • Multiplicative unitaries for locally compact groups, Stat-Math Unit, Indian Statistical Institute, Kolkata, India, July 18.
      • Braided quantum SU(2) groups, Operator algebra seminar, Fields Institute Toronto, Canada, June 7.
      • Semidirect product of compact quantum groups, Department of Mathematics, Indian Institute of Technology Madras, India, May 10.
      • Braided quantum SU(2) groups, Oberseminar AG-Speicher, Faculty of Mathematics, Universität Saarlandes, Germany, February 16.
      • Landstad-Vaes theory for locally compact quantum groups, Mathematics Institut Georg-August-Universität Göttingen, Germany, February 10.
      • Quantum group-twisted tensor product of C*-algebras, Analysis Seminar, University of Ottawa, Canada, January 13.

    • 2015
      • Faithful actions of locally compact quantum groups on spaces, Department of Mathematics and Statistics, University of New Brunswick, Canada, December 3.
      • Braided C*-quantum groups, The Institute of Mathematical Sciences Chennai, India, November 9.
      • Landstad-Vaes theory for locally compact quantum groups, Department of Mathematics, Indian Institute of Science Banglore, India, November 6.
      • Faithful actions of locally compact quantum groups on classical spaces, Department of Mathematics, Indian Institute of Science Education and Research Bhopal, India, October 15.
      • The Drinfeld double for C*-algebraic quantum groups, Stat-Math Unit, Indian Statistical Institute, Kolkata, India, March 13.
      • From Hopf algebras to locally compact quantum groups, Logic seminar, Department of Mathematics and Statistics, University of Ottawa, Canada, February 27.

    • 2014
      • Braided quantum SU(2) groups, Tata Institute of Fundamental Research, Mumbai, India, November 28.
      • A brief introduction to braided multiplicative unitaries, Department of Mathematics, Indian Institute of Technology, Delhi, India, October 17.
      • The Haagerup property of the Drinfeld doubles, School of Physical Sciences, Jawaharlal Nehru University, India, October 16.
      • Quantum group-twisted tensor product of C*-algebras, Department of Mathematics and Statistics, University of Ottawa, Canada, March 4.
      • Quantum group-twisted tensor product of C*-algebras, Department of Pure Mathematics, University of Waterloo, Canada, February 20.
      • Quantum group-twisted tensor product of C*-algebras, Operator algebra seminar, Fields Institute Toronto, Canada, February 6.

    • 2013
      • Twisted tensor product of C*-algebras, Stat-Math Unit, Indian Statistical Institute Delhi, India, October 25.
      • Associative twisted tensor product of C*-algebras, Department of Mathematics, Shiv Nadar University, India, October 10.
      • From locally compact groups to C*-quantum groups: multiplicative unitary approach , Department of Mathematics, Indian Institute of Technology Ropar, India, October 9.
      • On braided multiplicative unitaries, Department of Mathematical Methods in Physics, University of Warsaw, Poland, May 23.
      • Quantum groups with a projection, Mathematical Institute of the Polish Academy of Sciences Warsaw, Poland, May 20.
      • Twisted tensor product of C*-algebras, Department of Mathematics, Indian Institute of Science Education and Research Kolkata, India, April 3.
      • On braided multiplicative unitaries, Stat-Math Unit, Indian Statistical Institute Kolkata, India, March 20.
      • On canonical commutation relation, Department of Mathematics, Indian Institute of Technology Guwahati, India, March 19.
      • Twisted tensor product of C*-algebras, Graduate School of Mathematical Sciences, The University of Tokyo, Japan, March 15.

    • 2012
      • Universal Coefficient Theorems and assembly maps in KK-theory, Oberseminar AG-Meyer, Mathematics Institut, Georg-August-Universität Göttingen, Germany, November 29.

    • 2011
      • Category of locally compact quantum groups, Chennai Mathematical Institute, India, December 20.
      • An overview of Grothendieck group construction and its application, Indian Institute of Technology Guwahati, India, October 13.
      • Homomorphisms of quantum groups, Colloquium of Gk 1493: "Mathematische Strukturen in der modernen Quantenphysik", Mathematics Institute, Georg-August-Universität Göttingen, Germany, May 26.
      • Homomorphisms of quantum groups, Department of Mathematical Methods in Physics, University of Warsaw, Poland, March 17.

    • 2010
      • Morphisms of quantum groups via linking unitaries, Indian Institute of Technology Guwahati, India, October 7.
      • Morphisms of quantum groups via linking unitaries, Participant seminar talk at 7th Focused Semester: Quantum groups, Université de Caen, France, September 16.