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DTSTART;TZID=Europe/Berlin:20181203T160000
DTEND;TZID=Europe/Berlin:20181203T180000
DTSTAMP:20181115T145928Z
CREATED:20180822T062947Z
LAST-MODIFIED:20181115T145928Z
UID:2456-1543852800-1543860000@alop.uni-trier.de
SUMMARY:ALOP Colloquium with Frank Vallentin
DESCRIPTION:On Monday\, December 3\, 2018 at 16:00 c.t. Prof. Dr. Frank Vallentin of Universität Köln will present his recent work entitled “Chromatic numbers of geometric graphs” \n\nAbstract: \nA classical problem in discrete geometry (due to Hadwiger and Nelson) is to find the minimal number of colors one needs to color all points in the Euclidean plane so that no two points which are distance 1 apart receive the same color. Similar geometric coloring problems can be posed in the context of the hyperbolic plane\, n-dimensional Euclidean spaces\, n-dimensional spheres\, or coloring the Voronoi tessellation of n-dimensional lattices. In this talk I will present a theoretical framework in which all these geometric coloring problems (assuming that the color classes are measurable sets) can be conveniently studied with the help of harmonic analysis and convex optimization. \n\nThe presentation will take place in HS 9. \nPlease join us for coffee at 15:45 in E10. \n\n  \n 
URL:https://alop.uni-trier.de/event/alop-colloquium-with-frank-vallentin-2/
LOCATION:Trier University E Building\, Universitätsring 15\, Trier\, 54296\, Germany
CATEGORIES:Colloquium
ORGANIZER;CN="RTG ALOP at Trier University":MAILTO:ALOP@uni-trier.de
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DTSTART;TZID=Europe/Berlin:20181206T160000
DTEND;TZID=Europe/Berlin:20181206T180000
DTSTAMP:20181112T092237Z
CREATED:20181017T105259Z
LAST-MODIFIED:20181112T092237Z
UID:2586-1544112000-1544119200@alop.uni-trier.de
SUMMARY:ALOP Colloquium with Ingenuin Gasser
DESCRIPTION:On Thursday\, December 6\, 2018 at 16:00 c.t.  Prof. Gasser of Universität Hamburg will present his recent work entitled  \n  \nModelling\, simulation and optimisation of power plants based on renewable energies \n  \nAbstract: \nIn this seminar we discuss the fluid dynamics of  parabolic trough\, solar updraft towers\, energy towers and osmotic power stations.  The main issue is to discuss simple fluid dynamic models which on one hand describe the main features of the mentioned applications and on the other allow for robust and fast numerical simulations and optimization.  \nThis is used for different types of power plants based on renewable energy. In all cases we are able to model\, simulate and optimize both in the planning and in the operational phase. \n  \nThe presentation will take place in HS 9. \nPlease join us for coffee at 15:45 in E10.
URL:https://alop.uni-trier.de/event/alop-colloquium-with-ingenuin-gasser-of-universitat-hamburg/
CATEGORIES:Colloquium
ORGANIZER;CN="RTG ALOP at Trier University":MAILTO:ALOP@uni-trier.de
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