SMS scnews item created by Leo Tzou at Tue 28 Jul 2015 1031
Type: Seminar
Distribution: World
Expiry: 2 Feb 2016
Calendar1: 31 Jul 2015 1430-1530
CalLoc1: Carslaw 175
Auth: leo@dyn-129-78-250-115.wirelessguest.usyd.edu.au (ltzo2369) in SMS-WASM

Joint Colloquium: Alexander Bobenko -- Quadrilateral Surfaces

An emerging field of discrete differential geometry aims at the development of discrete
equivalents of notions and methods of classical differential geometry, in particular of
surface theory.  The latter appears as a limit of a refinement of the discretization.
Current interest in discrete differential geometry derives not only from its importance
in pure mathematics but also from its applications in computer graphics, theoretical
physics, architecture and numerics.  These talk is about quadrilateral surfaces, i.e.
surfaces built from planar quadrilaterals.  They can be seen as discrete parametrized
surfaces.  Discrete curvatures as well as special classes of quadrilateral surfaces, in
particular, discrete minimal surfaces are considered.  Their relation to discrete
integrable systems is clarified.  Application in free form architecture will be
demonstrated.


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