# Past Events

Date/Time: Monday, April 15, 2019 - 11:35 to 12:35

Venue: Mathematics Seminar Room

Speaker: TSSRK Rao, ISI, Bangalore

Title: APPROXIMATE BIRKHOFF-JAMES ORTHOGONALITY

**Abstract: **We discuss approximate Birkhoff-James orthogonality of bounded linear operators defined between normed linear spaces X and Y. As an application of the results obtained, we characterize smoothness of a bounded linear operator T under the condition that K(X, Y), the...

Date/Time: Tuesday, April 9, 2019 - 01:40 to 02:30

Speaker: S.P.Murugan, C.M.I

Title: Existence of E0-semigroups; the multiparameter case.

Abstract: Let P ⊂ R ^d be a closed convex cone. Assume that P is pointed, i.e. the intersectionP ∩ −P = {0} and P is spanning, i.e. P − P = R ^d . Denote the interior of P by Ω. Let Ebe a product system over Ω. We show that there exists an infinite-dimensional separable Hilbert space H and a...

Date/Time: Monday, April 8, 2019 - 11:30

Agenda: 1. visiting postion of Professor Ram Mohapatra

2. Adjunct professor proposal for Professor Munshi

Date/Time: Friday, April 5, 2019 - 16:00 to 17:00

Venue: Seminar Room, School of Mathematical Sciences

Speaker: Anish Ghosh, TIFR Mumbai

Title: An introduction to equidistribution

I will discuss the distribution of some arithmetic and geometric objects and describe the basic tools used to study questions of equidistribution.

Date/Time: Thursday, April 4, 2019 - 17:35 to 19:00

Venue: Seminar Room, School of Mathematical Sciences

Speaker: Anish Ghosh, TIFR Mumbai

Title: Effectivity in arithmetic and dynamics

In the second talk, I will describe some recent developments in and around the question of “effectivity”.

Date/Time: Wednesday, April 3, 2019 - 17:35 to 19:00

Venue: Seminar Room, School of Mathematical Sciences

Speaker: Anish Ghosh, TIFR Mumbai

Title: Effectivity in arithmetic and dynamics

The first talk will be a leisurely introduction to dynamics of group actions on homogeneous spaces of Lie groups.

Date/Time: Tuesday, April 2, 2019 - 01:40 to 02:30

Speaker: Chiranjit ray, IIT G

Title: Arithmetic properties of certain partition functions and modular forms

Abstract: In this talk, we will discuss some arithmetic and distribution type results on various partition functions, namely, Andrews’ singular overpartitions, cubic and overcubic partition pairs, and Andrews’ integer partitions with even parts below odd parts. We use some dissection formulas of...

Date/Time: Friday, March 29, 2019 - 16:30 to 17:30

Speaker: Ritabrata Munshi, TIFR Mumbai and ISI Kolkata

Date/Time: Monday, March 18, 2019 - 11:35 to 12:30

Speaker: Biplab Paul, IIT G

Title: Some variations of EM algorithms for estimating parameters of singular Bivariate Marshall-Olkin Pareto distribution

Abstract : Here we study the Marshall-Olkin formulation of bivariate Pareto distribution, which includes both location and scale parameters and find efficient estimation techniques of the parameters of corresponding distribution. We use Maximum likelihood Estimation through the EM algorithm...

Date/Time: Monday, March 18, 2019 - 11:35 to 12:30

Speaker: Biplab Paul, IIT G

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**School of Mathematical Sciences**

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