8. february, kl. 11:40, í Oddi O-106 Fyrirlesari: Anders Claesson, Háskóli Íslands. Titill: Permutations with few inversions Ágrip: We consider permutations of [n] with at most n inversions; this is what we mean by permutation with few inversions. In particular, we present a curious generating function for permutations of [n] with exactly n inversion. Furthermore, […]
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Fyrirlesari: Matthias Hamann (University of Warwick). Titill: Hyperbolic monoids and digraphs Oddi O-101, fimmtudaginn 25. janúar, kl. 11:40 Ágrip: The notion of hyperbolicity for metric spaces, graphs and groups is a topic that got a lot of attention since Gromov’s seminal paper. While there have been several attempts to obtain a similar notion for monoids,
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Föstudaginn 19. janúar kl. 15:00, mun Guðjón Helgi Auðunsson kynna meistraprófsritgerð sýna. Fyrirlesturinn fer fram í stofu 138 í VR2 og verður fluttur á ensku. Titill: Additive functionals with product toll functions on Galton-Watson trees Ágrip: Additive functionals on binary trees represent the cost of many divide-and-conquer algorithms. In this study, we derive the growth
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Fyrirlesari: Bjarnheiður Kristinsdóttir (Háskóli Íslands). Titill: Introducing <colette/>, a Computational Thinking Learning Environment for Teachers in Europe. 8. desember 2023, kl. 11:40 í tg-227 í Tæknigarði. Ágrip: During the past 3 years, I took part in the European research and development project <colette/>, which stands for „Computational Thinking Learning Environment for Teachers in Europe“. The project was
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Fyrirlesari: Benedikt Steinar Magnússon (Háskóli Íslands) Titill: Liouville’s theorem: variant for graded polynomial rings Staðsetning: 1 desember 2023, kl. 11:40 í stofu 152 í VR-II Ágrip: Liouville’s theorem is a fundamental theorem in complex analysis which states that every bounded entire function must be constant. A corollary of it shows that an entire function which
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Fyrirlesari: Evangelos Tsolakidis (Háskóli Íslands) Titill: A Gentle Approach to Random Matrices Staðsetning: 24 nóvember 2023, kl. 11:40 í stofu 152 í VR-II Ágrip: Bob and Rob are two trees living in full awe somewhere deep in rural Scandinavia. They are acquainted with Odin’s two best friends, Huginn and Muninn, that overlook Midgard from the
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Fyrirlesari: Szabolcs Horvát (Háskólinn í Reykjavík) Titill: Characterizing spatial networks through β-skeletons 17. nóvember 17, kl. 11:40 í stofu 152 in VR-2 Ágrip: Network science has developed many methods for the characterization of networks, most being designed for generic sparse graphs. However, the nodes of many real-world networks exist in physical space, with only nearby
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Út er komin hjá Springer bókin Statistical Modeling Using Bayesian Latent Gaussian Models sem Birgir Hrafnkelsson ritstýrði. Bókin samanstendur af 7 köflum eftir alls 19 höfunda. Hér er hlekkur á bókina: https://link.springer.com/book/10.1007/978-3-031-39791-2 .
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3. nóvember, kl. 11:40 Stofa 152 í VR-2 Fyrirlesari: Adam Timar Titill: On Uniform Spanning Forests Ágrip: How can we generate a random labyrinth efficiently, and how can we describe its properties, such as the expected distance between two points in the labyrinth? This question can be made precise and answered through the study of
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Fyrirlesari: Breki Pálsson (Sorbonne U., Paris) Titil: Investigating Residue Degrees in Number Fields related to Modular Forms and their Connections to Permutation Cycles. 27. október 2023, kl. 11:40 í stofu V-152 í VR-2, athugið breytta staðsetningu. Ágrip: Modular forms are a special type of complex analytic functions that have symmetry properties. They are used in
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