# Past Events

Date/Time: Thursday, November 23, 2017 - 09:30 to 10:30

Speaker: Ramprasad Kale, 4th Year student, SMS, NISER

Title: Some Topics in Sequential Estimation

Confidence intervals constructed from a fixed-sample size procedure may sometimes be too wide to be of any practical use. Hence, to avoid such a problem, it is desirable to construct confidence intervals with fixed-width. G. B. Dantzig (1940) showed that there did not exist any fixed sample size...

Date/Time: Wednesday, November 22, 2017 - 15:30

Speaker: Anantadulal Paul, NISER

Title: Counting complex curves with singularity in CP^2

The study of of degree d curves in $\mathbb{CP}^2$ is one of the interesting topic which arises in the context of Enumerative Geometry. The specific problem, which I will talk about, can be stated as follows:

Let $\mathbb{CP}^2$ be a compact complex surface and $L \rightarrow \mathbb{CP}^...

Date/Time: Wednesday, November 22, 2017 - 14:00 to 15:00

Venue: Conference Room, School of Mathematical Sciences

Speaker: Sabyasachi Mukhopadhyay, University of Hohenheim

Title: Modelling spatio-temporal variation in rainfall using a hierarchical Bayesian regression model

Date/Time: Wednesday, November 22, 2017 - 11:00 to 12:00

Venue: conference Room, School of Mathematical Sciences

Speaker: Ananta Kumar Majee, University of Tübingen

Title: Rate of convergence of a semi-discrete finite difference scheme for stochastic balance laws driven by Levy noise

Date/Time: Tuesday, November 21, 2017 - 11:30

Speaker: Abhrojyoti Sen, SMS, NISER

Title: Vanishing Pressure Limit For a Non-strictly Hyperbolic System

In this talk we will be discussing about vanishing pressure limit for the equation

u_t + (u^2/2)_x = 0

ρ_t + (ρu)_x = 0,

with initial data

u(x, 0) = u_0(x),

ρ(x, 0) = ρ_0(x),

where u is the velocity component and ρ is the density component. This equation...

Date/Time: Monday, November 20, 2017 - 15:30

Speaker: Atibur Rahaman , NISER

Title: Partial dual construction for C*-Quantum groups

Given a Hopf algebra H in a braided category \mathcal{C} and a projection H\longrightarrow A to a Hopf subalgebra, one can construct a Hopf algebra r_{A}(H), called the partial dualization of H , with a projection to Hopf algebra dual to A. A non-degenerate Hopf pairing \omega :A\otimes B \...

Date/Time: Monday, November 20, 2017 - 11:30 to 12:30

Speaker: Prof. Raj Srinivasan, University of Saskatchewan, Canada

Title: Non Homogenous Poisson Process and Its Applications

**Abstract:**

Traditionally, Poisson process with constant rate have been extensively used to model arrival and potential service processes arising in queueing and queueing networks models under the Markov regime.

Generalization to non Markovian models, usually has taken...

Date/Time: Thursday, November 16, 2017 - 16:00 to 17:15

Speaker: Dr. Kunal Krishna Mukherjee , IIT Madras

Title: On dynamical system preserving weights

The canonical unitary representation of a locally compact separable group arising from an ergodic action of the group on a von Neumann algebra with separable predual preserving a faithful normal semifinite (infinite) weight is weak mixing. On the contrary, there exists a non...

Date/Time: Monday, November 13, 2017 - 11:30 to 12:30

Venue: Seminar Room, School of Mathematical Sciences

Speaker: Suprio Bhar, TIFR Bangalore

Title: Stochastic PDEs in the space of Tempered distributions

In this talk, we will discuss some recent results on the existence and uniqueness of strong solutions of certain classes of stochastic PDEs in the space of Tempered distributions. We show that these solutions can be constructed from the solutions of "related" finite dimensional stochastic...

Date/Time: Friday, November 10, 2017 - 15:45 to 16:45

Venue: Math Conference Room

Speaker: Sudeep Stephen, The University of Newcastle, Australia

Title: Zero forcing in graphs

Abstract: For a two-colouring of the vertex set of a simple graph $G=(V,E)$, consider the following colour-change
rule: a red vertex is converted to blue if it is the only red neighbour of some blue vertex. A vertex set
$S\subseteq V$ is called \emph{zero-forcing} if,...

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**School of Mathematical Sciences**

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Tel: +91-674-249-4081

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