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Málstofa í stærðfræði Fyrirlesari: Thomas Selig, University of Strathclyde Titill: EW-tableaux, permutations and recurrent configurations of the sandpile model on Ferrers graphs. Staðsetning: VRII, V-147 Tími: Miðvikudagur 27. júní kl. 10:30 Ágrip: The Abelian sandpile model (ASM) is a dynamic process on a graph. More specifically, it is a Markov chain on the set of […]

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Málstofa í stærðfræði Fyrirlesari: Anders Claesson Titill: Interval orders via combinatorial species and ballot matrices Staðsetning: V-157, VRII. Tími: Föstudagur 5. febrúar kl. 13:20. Ágrip: We give a brief introduction to (some aspects of) combinatorial species. Using this framework we introduce ballot matrices and present a subset of them that is in bijection with labeled

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Málstofa í stærðfræði Fyrirlesarar: Bjarni Jens Kristinsson, Háskóla Íslands, og Henning Úlfarsson, Háskólanum í Reykjavík Titill: Occurrence graphs of patterns in permutations Staðsetning: Naustið, Endurmenntun (hér) Tími: Fimmtudagur 4. júní, klukkan 15:00-16:00. Ágrip: This paper is based on a generalisation of the idea behind the proof of the Simultaneous Shading Lemma by Claesson et al.

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Henning Úlfarsson (22/01/15)Henning Úlfarsson (22/01/15)

Málstofa í stærðfræði Fyrirlesari: Henning Úlfarsson, Háskólinn í Reykjavík Titill: Struct: An algorithm for guessing the structure and enumeration of permutation sets Staðsetning: Naustið, Endurmenntun (hér) Tími: Fimmtudagur 22. janúar, frá 15:00-16:00. Höfundar: Michael Albert, Anders Claesson, Bjarki Gudmundsson, Henning Ulfarsson Ágrip: Struct is an algorithm being developed by the authors to guess the structure

Henning Úlfarsson (22/01/15)Henning Úlfarsson (22/01/15) Read More »