Dear Colleagues, On Monday 4th March Professor Roman Cherniha will be giving a talk at our local PDE seminar. The talk is scheduled for 12pm in the AGR. Professor Cherniha will present on the symmetries and exact solutions of diffusive Lotka-Volterra type systems. For a full abstract please visit: https://www.maths.usyd.edu.au/u/PDESeminar/abstracts24/cherniha.html Afterwards, we will meet on level 2 to take the speaker for lunch. Anyone who is interested is welcome to join. Zeaiter.