Past Events

Date/Time:
Friday, March 24, 2017 - 15:30 to 18:00
Venue: M4
Speaker: Somnath Basu, IISER Kolkata
Title: How many pentagons are there in a football?

We shall discuss Gaussian curvature and total curvature. We would then interpret this notion of total curvature in a combinatorial way. This would lead us to an answer to thequestion in the title. The talk will be elementary and self-contained. 

Date/Time:
Thursday, March 23, 2017 - 10:35 to 11:30
Venue: M4
Speaker: Nabin Kumar Jana, NISER, Bhubaneswar
Title: Radon-Nikodym theorem and conditioning

Abstact: Radon-Nikodym theorem of measure theory was proved in 1930 and A. N. Kolmogorov laid the foundation of modern probability in 1933 where the formal played a crucial role. In this Short Lecture Series in Mathematics (SLSM), we discuss the conditioning of probability...

Date/Time:
Friday, March 17, 2017 - 16:30 to 17:30
Venue: Mathematics Seminar Hall
Speaker: Vaibhav Pandey, NISER alumnus
Title: Some weirdly well behaving rings

We consider certain rings of smooth functions on a nice space, like a circle, and try to explore its algebraic nature using the smoothness of these functions. As a motivation for this, recall the ring C[0,1] of continuous real valued function on [0,1]. Recall how we prove that its maximal ideals...

TBA
Date/Time:
Friday, March 10, 2017 - 03:30
Venue: LH-5
Speaker: Professor S. Kumaresan, University of Hyderabad
Title: TBA

This talk will be in elementary level and first year Integrated MSc students should attained it.

TBA
Date/Time:
Friday, March 10, 2017 - 03:30
Venue: LH-5
Speaker: Professor S. Kumaresan, University of Hyderabad
Title: TBA

This talk will be in elementary level and first year Integrated MSc students should attained it.

Date/Time:
Thursday, March 9, 2017 - 19:00
Venue: Mathematics Seminar Hall
Speaker: Ritwik Mukheree, NISER
Title: Introduction to Geometric Analysis

We will define what is a Laplacian on a smooth Riemannian Manifold. We will then define what are harmonic forms and state the Hodge Decomposition Theorem. In particular, we will explain how it implies Poincare Duality. We will then go on to define the notion of a weak solution and explain how...

Date/Time:
Friday, March 3, 2017 - 11:00 to 12:00
Venue: Seminar Room, School of Mathematical Sciences
Speaker: Dr. Prateep Chakraborty, IISER Kolkata
Title: On Stiefel-Whitney Classes of vector bundles over real Stiefel Manifolds.
Date/Time:
Thursday, March 2, 2017 - 15:00 to 16:00
Venue: Seminar Room, School of Mathematical Sciences
Speaker: Dr. Md. Ali Zinna, Ramakrishna Mission Vivekananda University
Title: Some results on the orbit space of unimodular row
Date/Time:
Tuesday, February 28, 2017 - 15:30
Venue: Seminar Room, SMS
Speaker: Professor Y. Martin, Universidad de Chile, Santiago
Title: On an integral kernel for twisted Koecher-Maass series associated to Siegel cusp forms of degree two

 We give an explicit formula for the integral kernel of the twistedKoecher-Maass series associated to a degree two Siegel cusp form F, where the twist is realized by any Maass waveform whose eigenvalue is in the continuum spectrum. From such a kernel we deduce the analytic properties of those...

Date/Time:
Monday, February 27, 2017 - 15:30 to 16:30
Venue: Seminar Room, SMS
Speaker: Professor Y. Martin, Universidad de Chile, Santiago
Title: On a set of Fourier coefficients which determine all Siegel cusp forms of degree two

Abstract: In this talk we first recall some basic facts about Siegel cusp forms of degree two. Then we present a particular set of integral, positive-definite, diagonal matrices A, and show that all such Siegel cusp forms are completely characterized by the Fourier coefficients indexed by the...

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School of Mathematical Sciences

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