Past Events

Date/Time: Monday, January 22, 2018 - 17:30 to 18:30
Venue: LH-5
Speaker: Professor Kalyan Bidhan Sinha, JNCASR, Bangalore
Title: The Fundamental Theorem of Integral Calculus

In the early days of our learning , most of our knowledge and practice of Integration is based on the Fundamental Theorem of Integral Calculus (FTIC). But the ideas and the intuition of it changes drastically as one tries to move onto higher dimensions or onto more "general sets", leading to new...

Date/Time: Thursday, January 18, 2018 - 15:30 to 17:00
Venue: M-1
Speaker: Prof. T. N. Shorey, NIAS, Bengaluru
Title: Explicit abc-conjecture and its recent applications

Abstract:The well-known abc- conjecture due to Oesterle and Masser in 1985is not explicit. Thus it may not solve an equation completely; it may giveonly bounds for the number of solutions or bounds for the magnitude ofsolutons. With this in mind, Baker in 2004 formulated an explicit versionof...

Date/Time: Monday, January 15, 2018 - 08:00 to Friday, January 19, 2018 - 20:00
Venue: Seminar Room, School of Mathematical Sciences
Date/Time: Friday, January 12, 2018 - 16:30 to 17:30
Venue: LH-5
Speaker: R. Srinivasan, Chennai Mathematical Institute
Title: The framework of quantum probability

We will discuss the general framework of quantum probability as the non-commutative generalization of the classical probability, operations on that and some of the quantum impossibilities. 

Date/Time: Wednesday, January 10, 2018 - 13:30 to 14:30
Venue: Seminar Room, School of Mathematical Sciences
Speaker: Kunal Krishna Mukherjee, IIT Madras
Title: Factoriality of q-deformed Araki-Woods algebras

We discuss factoriality and structural properties of the q-deformed algebras of Hiai. These are type III cousins of the free group factors, extremely complicated objects and even very basic questions about them remain open. Using maximal abelian subalgebras we demonstrate that they are factors...

Date/Time: Friday, December 8, 2017 - 10:30
Venue: Seminar Hall, SMS
Speaker: Santu Pal, SMS, NISER
Title: Cryptanalysis of stream cipher

Abstract: Stream cipher plays an important role in cryptography. The basic component of stream cipher is Linear Feedback Shift Registrar. Here we will discuss about the general construction of a LFSR based stream cipher and the cryptanalysis of stream cipher.

Date/Time: Tuesday, December 5, 2017 - 10:30 to 11:30
Venue: Seminar Room, School of Mathematical Sciences
Speaker: Riddhi Shah, JNU
Title: Dynamics of Distal Actions on Groups

An automorphism T of a locally compact group is said to be distal if the closure of the T-orbit of any nontrivial element stays away from the identity. We discuss some properties of distal actions on groups. We will also relate any distal group with the behaviour of convolution powers of...

Date/Time: Thursday, November 30, 2017 - 10:30 to 11:30
Venue: SMS Seminal Hall
Speaker: Mr. Sayan Ghosh, IIT Bombay
Title: The Analysis of Incomplete Contingency Tables

Abstract: The analysis of incomplete contingency tables is an interesting problem, which is also of practical interest. In this talk, we propose various missing data models for analyzing arbitrary three-way and multidimensional incomplete tables, and study estimation and testing under them. We...

Date/Time: Thursday, November 23, 2017 - 15:30
Venue: SMS Seminar hall
Speaker: Nilkantha Das, NISER
Title: Riemann Roch Theorem

The Riemann-Roch Theorem is the foundation of the theory of algebraic curves. It gives a precise answer for the dimension of the space L(D) for a divisor D of an algebraic curve. The qualitative information that a Riemann surface is an algebraic curve is seen to be equivalent to more...

Date/Time: Thursday, November 23, 2017 - 11:00 to 12:00
Venue: Seminar Room, School of Mathematical Sciences
Speaker: Aprameyan Parthasarathy, Universität Paderborn
Title: Boundary values, resonances and scattering poles on rank one symmetric spaces

In this talk, we will report on recent work (with J. Hilgert and S. Hansen, Paderborn) relating resonances and scattering poles on Riemannian symmetric spaces of rank one. We use boundary values in the sense of Kashiwara and Oshima to show that resonances and scattering poles coincide, along...

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School of Mathematical Sciences

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