The Informal Friday Seminar at University of Sydney is fabulous.
I recently gave a talk at IPAM on Tannakian formalism for stacks.
Magma Mondays is an introductory workshop aimed to teach Magma to mathematicians at all stages; no background in coding required. All are welcome; students are especially encouraged to join! Details and registration here!
Come give a talk at the Representation Theory Special Session at the 67th Annual Meeting of the Australian Mathematical Society, to be held at The University of Queensland, Brisbane, from 5 to 8 December 2023.