The goal of this weekly seminar is to bring together and stimulate exchanges between members of the Institute of Algebra and Geometry and other people interested in Algebra, Topology and Geometry. Every week there are two 25 minute talks by participants, with topics of talks including recent research developments, mathematical questions, and introductions to research areas. In contrast to other research seminars talks should not be about the own research results of the speaker, but can of course cover related results. To keep the nature of talks informal and thereby interactive, the speakers are chosen at the beginning of each session. If you are interested in joining, feel free to contact us, or just come to one of the sessions.