Avogadro-Scale Engineering:

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Presentation transcript:

Avogadro-Scale Engineering: Form and Function http://cba.mit.edu NSF CCR-0122419

Statistical Mechanics macroscopic state internal configuration microscopic degrees of freedom

Statistical-Mechanical Engineering? macroscopic goal internal configuration microscopic degrees of freedom

Programming Distributed Systems problem algorithm program executable protocol messages

Graphical Message-Passing problem algorithm program executable protocol messages

Graphical Networks

trees: exact loops: approximations Sum Product Belief propagation, …, (Loeliger, …) fm xi fn xj trees: exact loops: approximations

Bethe Approximation (Jonathan Yedidia) fn xi

CDMA LFSR code acquisition Noise-Locked Loops (Ben Vigoda) CDMA LFSR code acquisition

Local Search

Global Convex Optimization (Pablo Parrilo et al.) Interior point solution to a semidefinite program on a relaxed problem

programming computer programming linear programming semidefinite programming integer programming dynamic progamming toolpath programming fault-tolerant programming developmental programming programming