Tuesday, 4 October 2016
Title: Talking about Shapes
Whenever people have had to cooperate in building anything theyhave needed precise ways of talking about their joint work. We nowhave to cooperate with the computers which drive our screens and ourmanufacturing machines, and which compute aspects of performance ofthe products we design. We need ways of talking to them to tell themwhat shapes we want. The talk looks at ways in which shapes have beendescribed from the 12th century to today (focussing mainly on thesecond half of the 20th century) identifying how different techniquesbecame possible as computers became more powerful, and considers thereasons why some new methods have been adopted and others not.
Biography: Malcolm A. Sabin is director of Numerical Geometry, Ltd, anindependent consultancy company. In addition to his industrialconsultancy, he has collaborated with the Universities of Cambridge(engineering, computer science and mathematics) and Cardiff (computerscience). He has worked in 3D surface modelling since the 1960s, isparticularly known for Doo-Sabin subdivision and Powell-Sabin splines,and is the recipient of the Pierre Bezier award (2010), the JohnGregory award (2011) and the IMA Gold Medal (2012), and was recognisedas a Solid Modeling Pioneer in 2016.
Colloquium coordinators are Prof.dr. M. Aiello (e-mail :
Prof.dr. M. Biehl (e-mail:
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