# Sudarshan Memorial Lecture

## TL;DR

This paper reviews four significant contributions of E.C.G. Sudarshan, including theories and concepts that have impacted quantum physics and particle physics, highlighting their importance and influence.

## Contribution

It introduces and discusses four key contributions of E.C.G. Sudarshan, emphasizing their roles in advancing theoretical physics.

## Key findings

- V-A theory of weak interaction explained
- Sudarshan-Glauber representation clarified
- Insights into tachyons and quantum Zeno effect provided

## Abstract

In this invited talk, I discuss four important contributions of E.C.G. Sudarshan, among many. They are the V-A theory of weak interaction, Sudarshan - Glauber representation, tachyons and the quantum zeno effect.