Málstofa í stærðfræði Fyrirlesari: Jason Smith, University of Strathclyde Titill: Poset Fibrations and Their Applications to Pattern Posets Staðsetning: Tg-227 (Tæknigarður, 2. hæð) Tími: Föstudagur 21. apríl kl. 13:30 Ágrip: A poset fibration is a rank and order preserving surjective map between posets. It was shown by Quillen that many properties of posets can be […]

Málstofa í stærðfræði Fyrirlesari: Friðrik Freyr Gautason, K.U. Leuven Titill: Large field inflation in string theory Staðsetning: Tg-227 (Tæknigarður, 2. hæð) Tími: Föstudagur 7. apríl kl. 13:20 Ágrip: I start by motivating that certain questions in cosmology, in particular dark energy and large field inflation, should be addressed in a quantum model that includes gravity

Málstofa í stærðfræði Fyrirlesari: Tom Steentjes, Eindhoven University of Technology Titill: Feedback stabilization of nonlinear systems: „universal“ constructions towards real-life applications Staðsetning: Tg-227 (Tæknigarður, 2. hæð) Tími: Föstudagur 17. mars kl. 13:20 Ágrip: Various feedback stabilizers based on Sontag’s „universal“ formula for stabilizing control laws are presented, incorporating restrictions inspired by real-life applications. The first

Málstofa í stærðfræði Fyrirlesari: Paolo Zanardi, University of Southern California Titill: Quantum algorithms for topological and geometric analysis of Big Data Staðsetning: V-138 (VR-II) Tími: Mánudagur 20. febrúar kl. 10:00 Ágrip: Extracting useful information from large data sets can be a daunting task. Topological methods for analysing data sets provide a powerful technique for extracting

Málstofa í stærðfræði Fyrirlesari: Thomas Vallier, University of Iceland Titill: Discussion on Bootstrap percolation on a random graph coupled with a lattice Staðsetning: Tg-227 (Tæknigarður, 2. hæð) Tími: Föstudagur 3. febrúar kl. 13:20 Ágrip: will give an informal seminar on the paper by Janson, Kozma, Ruszinko and Sokolov. In the paper „Bootstrap percolation on a

Málstofa í stærðfræði Fyrirlesari: Benedikt Stufler, École normale supérieure de Lyon Titill: The asymptotic geometric shape of random combinatorial trees Staðsetning: TG-227 (Tæknigarður, 2. hæð) Tími: Föstudagur 27. janúar kl. 13:20 Ágrip: In his pioneering papers in the early 90s, Aldous established the continuum random tree (CRT) as the scaling limit of random labelled trees.

Málstofa í stærðfræði Fyrirlesari: Daniel Fernandez, University of Iceland Titill: Information geometry and Holography Staðsetning: V-158, VRII Tími: Mánudaginn 5. desember kl. 15:00 Ágrip: Information Geometry allows for families of probability distributions to be imbued with a natural measure: the Fisher metric. In particular, it is possible to define a Fisher metric on the instanton

Málstofa í stærðfræði Fyrirlesari: Sara Zemljic, University of Iceland Titill: Generalized Sierpiński graphs Staðsetning: V-158, VRII Tími: Mánudaginn 28. nóvember kl. 15:00 Ágrip: (Generic) Sierpiński graphs are two parametric family of graphs, one parameter tells us what complete graph is the main building block for the graph, and the other parameter tells us in which