For more information about this meeting, contact Jason Morton.
|Title:||When does a mixture of products contain a product of mixtures?|
|Seminar:||Applied Algebra and Network Theory Seminar|
|Speaker:||Guido Montufar, Penn State|
|Restricted Boltzmann Machines (RBMs) can represent more complicated probability distributions than mixtures of independence models with a similar number of parameters, at least in terms of the modes of the probability distributions.
In essentially all cases of practical interest, a huge mixture of binary product distributions is required to represent the distributions that can be represented compactly by an RBM. The strong modes of k-mixtures of binary product distribution are binary codes of Hamming distance two and cardinality at most k. The modes of RBMs relate to point configurations and hyperplane arrangements, resulting in a number of interesting problems.|
Room Reservation Information
|Date:||04 / 04 / 2012|
|Time:||02:30pm - 03:20pm|