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In graph theory

  1. What are independent maps?
  2. Do they differ between directed and undirected graphs?
  3. Are the following graphs I-maps?

Graph-1 Graph-2

Would the answer be the same in case of undirected graphs? Kindly give a detailed explanation since I am an absolute beginner.

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It sounds like you are studying Bayesian networks. Here is a simple reference that might be of use to you: classes.soe.ucsc.edu/cmps290c/Spring04/paps/nir2.pdf –  Alex R. Apr 10 '12 at 18:29
@sam Thanks for the link. A lot useful. –  Ubermensch Apr 11 '12 at 4:13

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