Past Events

Date/Time:
Tuesday, January 3, 2017 - 03:30 to 04:30
Venue: SMS seminar hall
Speaker: Aparajita Dasgupta, Ècole Polytechnique Fédérale de Lausanne, Switzerland
Title: Pseudo-Differential Operators on Heisenberg Groups

The theory of pseudo-differential operators has provided a very powerful and flexible tool for treating certain problems in linear partial differential equations. The importance of the Heisenberg group in general harmonic analysis and problems involving partial differential operators on...

Date/Time:
Wednesday, December 21, 2016 (All day) to Tuesday, December 27, 2016 (All day)
Venue: Seminar Room, SMS
Date/Time:
Wednesday, November 23, 2016 - 11:30 to 12:30
Venue: Mathematics Seminar Room
Speaker: Dheeraj Kulkarni, ISI KOlkata
Title: Racks and Knots

A rack is a set with a binary operation that satisfies properties similar to the conjugation operation in a group. Racks appeared in the context of knot theory as complete invariants. We will show how to extend the notion of racks for knots which satisfy a certain differential relation. These...

Date/Time:
Thursday, November 17, 2016 - 11:30 to 12:30
Speaker: Dr. Harendra Singh, IIT(BHU)
Title: WEAK ASYMPTOTIC AND ENTROPY WEAK ASYMPTOTIC SOLUTION FOR A NON-STRICTLY HYPERBOLIC SYSTEM OF CONSERVATION LAWS

A weak asymptotic solution developed by Panov and Shelkovich, is constructed for piecewise known solutions to a prolonged system of conservation laws by introducing δ, δ' , δ'' and δ''' waves along a discontinuity curve, which in turn implies the existence of weak asymptotic solutions for the...

Date/Time:
Tuesday, November 15, 2016 - 13:30 to 14:30
Venue: Mathematics Seminar Hall
Speaker: Somnath Basu, IISER Kolkata

Abstract: We shall discuss associative binary structures and analyze why such a structure is not a homotopy invariant. This naturally leads to higher associative structures, often called $A_\infinity$ structures, which are prevalent in topology, geometry and mathematical physics. We shall...

Date/Time:
Monday, November 7, 2016 - 11:35 to 12:30
Venue: Mathematics Seminar Hall
Speaker: Gopinath Panda, IIT, Bhubaneswar
Title: Optimal Balking Strategies in Markovian Queues with Vacations

Abstract: Queueing theory is vastly used to study service systems arising in management problems, where customers are considered to be indifferent in the sense that the decisions to control a system, are only made by the management and the users are impelled to follow the decisions. However, for...

Date/Time:
Tuesday, November 1, 2016 - 01:30
Venue: Seminar Hall
Speaker: Anoop V.P., NISER
Title: To be announced
Date/Time:
Monday, October 31, 2016 - 11:35 to 12:30
Venue: SMS seminar hall
Speaker: Soma Maity, Ramkrishna Mission Vivekananda University, Belur.
Title: ON THE STABILITY OF Lp-NORMS OF RIEMANNIAN CURVATURE AND ON WILKING’S CRITERION FOR RICCI FLOW

Let M be a compact manifold without boundary. One can define a smooth real valued function of the space of Riemannian metrics of M by taking Lp-norm of Riemannian curvature for p ≥ 2. Compact irreducible locally symmetric spaces are critical metrics for this functional. I will show that rank 1...

Date/Time:
Friday, October 28, 2016 - 09:30 to 10:30
Venue: SMS, Seminar Room
Speaker: Dr. Krishanu Maulik, Indian Statistical Institute, Kolkata
Title: Urn Models
Abstract: We shall discuss the urn model introduced by Polya and...
Date/Time:
Monday, October 24, 2016 - 11:35 to 12:30
Venue: SMS seminar hall
Speaker: Ananya Lahiri, Chennai Mathematical Institute
Title: On two dimensional polynomial phase signal parameter estimation

Abstract: Two dimensional polynomial phase signal has uses in modeling black and white texture. We will discuss how to estimate the parameters of the model from observed data set and about the large sample properties of these estimators.

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School of Mathematical Sciences

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