# Past Events

Date/Time: Monday, December 6, 2021 - 18:15 to 19:00

Venue: Online (GoogleMeet)

Speaker: Anagha Nair, NISER Bhubaneswar

Title: Completely positive maps

A linear map $\phi$ between two C* algebras $A$ and $B$ is called positive if $\phi(a)\geq 0$ for every $a\in A$, $a\geq 0$. Here, $a\geq 0$ means a is self-adjoint and the spectrum of $a$ is contained in positive real numbers. $\phi$ is said to be $n$-positive if $\phi \...

Date/Time: Monday, December 6, 2021 - 16:15 to 17:00

Venue: Online (GoogleMeet)

Speaker: Swadeepta Mandal, NISER Bhubaneswar

Title: Quantum zero - error communication

We will talk about the basic concept of quantum zero-error, zero-error capacity of a quantum channel and some of its properties. Then we will look at superactivation phenomenon which is exclusive to quantum setup and the quantum...

Date/Time: Monday, December 6, 2021 - 14:30 to 15:15

Venue: Online (GoogleMeet)

Speaker: K Prahlad Narasimhan, NISER Bhubaneswar

Title: Optimality of local search algorithms

In this talk, we discuss our attempts to solve an important open problem regarding Terrain Guarding: is the state-of-the-art polynomial-time approximation scheme for the problem [...

Date/Time: Friday, November 26, 2021 - 18:00 to 19:00

Speaker: Ms. Saswati Mukherjee, SMS, NISER

Title: Symmetric property of solution for a 2nd order partial differential equation

**Abstract:** We show that the solution ...

Date/Time: Friday, November 26, 2021 - 16:00

Speaker: NKU Sarada Anoushka, NISER

Title: State spaces of partially ordered abelian groups with an order unit

**Abstract**: We will talk about states and state spaces of partially ordered abelian groups with an order unit. A state on a partially ordered abelian group with order unit (G,u) is a positive homomorphism (a group homomorphism that takes positive elements to positive elements)...

Date/Time: Friday, November 26, 2021 - 14:30 to 15:30

Speaker: Ms. Saswati Mukherjee, SMS, NISER

**Abstract**: First I shall introduce differential of forms and integration over chains and finally I give proof of Stokes theorem.

Date/Time: Friday, November 26, 2021 - 11:40 to 12:40

Speaker: Ms. Anuvertika Pandey, SMS, NISER

Title: Toeplitz Operators on the Hardy Space.

**Abstract:** We will characterize Toeplitz operators on the Hardy space using Berezin transform and then we will derive the necessary and sufficient condition...

Date/Time: Friday, November 26, 2021 - 10:30 to 11:30

Speaker: Mr. Aanjaneya Rath, SMS, NISER

Title: Vector Bundles and Locally Free Sheaves

**Abstract: **The aim of the talk is to establish equivalence between vector bundles and locally free sheaves in algebraic geometry . We will...

Date/Time: Thursday, November 25, 2021 - 16:00

Speaker: Prem Nigam kar, NISER

**Abstract: **We will talk about JB-algebras and JC-algebras, the Jordan algebra counterparts of B*-algebras and C*-algebras respectively. We will start off with a few preliminaries in functional analysis, order unit spaces, and C*-algebras. Then, we shall see a few results about JB-...

Date/Time: Thursday, November 25, 2021 - 14:30 to 15:30

Speaker: Mr. Aanjaneya Rath, SMS, NISER

**Abstract:** The goal of the talk is to study complex tori and see some of its properties .We will begin with defining what a complex tori is and...

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## Contact us

**School of Mathematical Sciences**

NISER, PO- Bhimpur-Padanpur, Via- Jatni, District- Khurda, Odisha, India, PIN- 752050

Tel: +91-674-249-4081

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