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This page was last updated May 8, 2013.

Poughkeepsie Chapter of the Association For Computing Machinery aaa ccccccc mmmmm mmmmm a a cc cc mm mm mm mm aa aa cc c mm mm mm mm aaaaaaaaa cc mm mmm mm aa aa cc c mm m mm MEETING NOTICE aa aa cc cc mm mm aa aa cccccccc mm mm Program: Designing Switching Circuits via Evolutionary Computation Speaker: David Clark, clarkd@newpaltz.edu Distinguished Professor and Department Chair Department of Mathematics, SUNY New Paltz About the Topic In 1975 V. L. Murskii proved a startling theorem which said that, in an appropriate domain, almost all switching circuit performance specifications can be realized by some switching circuit design. The theorem was an example of abstract mathematics which established the existence of these designs without giving any means to construct them. In 2008 the speaker and his colleagues won first place in the ACM's annual GECCO/Hummie competition by giving, for the first time, a computationally feasible method to construct these switching circuit designs in real time. Their method, which has advanced considerably since 2008, simulates biological evolution to evolve the required circuit. See www.genetic-programming.org/combined.html and "Genetic Programming for Finite Algebras" at www.genetic-programming.org/hc2008/03-Spector/Spector-PAPER.pdf. Clark's primary work on this subject will soon appear in "Evolution of Algebraic Terms 1: Term to Term Operation Continuity", International Journal of Algebra and Computation. About the Speaker David Clark is known worldwide for the depth, breadth, and innovation of his contributions to mathematics in the fields of universal algebra, mathematical logic, and mathematics education. He is one of the founders of the fields of "natural (topological) dualities" and "neural networks", and is a founding editor of the "Journal of Inquiry-Based Learning in Mathematics". During his forty three years at SUNY New Paltz Clark has held temporary research positions in Germany, Portugal, Switzerland, Canada and Australia, and spent 9 years as department chair. During 6 years as associate dean he founded the colloquium series (www.newpaltz.edu/sse/colloquium_series.html) and helped to establish an environmental science major. In the minimal spare time left he pursues rock climbing, hang gliding, and amateur astronomy. Trevor Evans was his Ph.D. thesis advisor at Emory University. When: 7:30 pm, Monday, May 20, 2013 Where: Presentation Room (2d floor, Rm 2023) Hancock Center, Marist College Directions: Building 15 on the map at www.marist.edu/welcome/map.html Parking: You can park on the east side of Route 9, across from the former Main Entrance, or at the black dot, Number 27, on the map at www.marist.edu/welcome/map.html Cost: Free and open to the public Dinner: 6 pm, Palace Diner, 845.473.1576 Map and menu: www.thepalacediner.com All are welcome to join us for dinner. We thank Marist College for hosting the chapter's meetings. Refreshments are served after the meeting. For further information, email collier@acm.org or call 845.522.1971. P - L - E - A - S - E P - O - S - T

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