Theory Seminar, 4/29

From: David Kempe (kempe@cs.washington.edu)
Date: Tue Apr 27 2004 - 16:39:47 PDT

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    Dear theory lovers,

    Next theory seminar:
    Title: An Introduction to Combinatorial Self-Assembly, Part 1
    Time: Friday, 4/29, 11:30am-12:20pm
    Place: wherever it usually is
    Guide: David Kempe

    Abstract:
    Self-assembly is the process by which small simple objects (called
    "tiles"), exposed to the right physical conditions, assemble into a
    larger, complex, and desirable aggregate object. It has been suggested
    that self-assembly may become an important technology for circuit
    design and nano-fabrication. For instance, a memory chip consists of
    many identical gates arranged in regular patterns, and one could
    imagine designing identical gates in such a way that billions of them
    will arrange into a working memory chip (with the help of a few more
    other gates, of course).

    On the experimental side, there has recently been progress on
    self-assembling larger objects from DNA-based tiles. Along with the
    experimental progress, the theory of self-assembly is now receiving
    more attention, including questions such as:
    - What are good mathematical models, and how do choices in those
    models affect the computational complexity of problems?
    - How powerful is self-assembly as a computational model?
    - How many different types of tiles or glue between them are needed to
    assemble the object I want?
    - How long will the assembly process take?
    - How to deal with the inevitable errors that happen in practice, and
    how to reduce the number of errors?

    Thus, questions from self-assembly combine theory of computation,
    complexity, algorithmic questions, and coding in an interesting way.
    In this two-talk overview series, I plan to give a taste of the
    models, questions, and known results.

    -- 
    David Kempe <kempe@cs.washington.edu>
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