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Kaapi with Kuriosity
Geetha Venkataraman (Dr. B. R. Ambedkar University Delhi, Delhi)
4:00 pm to 5:30 pm Sunday, 19 September 2021
Livestream via the ICTS YouTube channel

In the modern world with so much of our exchanges, commerce and communications taking place digitally, it has become imperative to ensure that all these are secure. Cryptography is the art and science of keeping `messages’ secure from eavesdroppers or unintended audiences. However, keeping messages secret is not just an issue during our time period but has been important historically. In this talk, we will discuss some simple encryption systems that were used. This will help us formulate the `key’ ingredients that any encryption method needs to possess. We will also discuss the famous RSA public key encryption system which is essentially based on the fact that it is easy to multiply two numbers but difficult to factorise a given number.

About the Speaker:-
Geetha is a Professor of Mathematics and Dean, Research and Consultancy at Ambedkar University Delhi (AUD).  She did an MA and DPhil (doctorate) in Mathematics at the University of Oxford. Apart from her research interest in Group Theory and related areas, she is deeply interested in popularising mathematics, mathematics education and issues related to women in mathematics.  She has been involved with the Indian Women and Mathematics (IWM) initiative of the NBHM, Govt. of India from its inception. She is a keen birdwatcher and photographer of birds. A photograph of hers of the Southern Grey Shrike has appeared in the Handbook of Western Paleartic Birds co-authored by Shirihai and Svensson, published by Bloomsbury, London.