Speaker: Professor Patrice Ossona de Mendez (Centre National de la Recherche Scientifique, Paris)
Title: How many F's are there in G?
Time: 2010-02-25 (Thu.)  16:10 - 17:10
Place: Seminar Room 722, Institute of Mathematics (NTU Campus)
Abstract: We define nowhere dense and somewhere dense classes by means of counting of homomorphisms from test graphs. This seems to be bridging the gap between existential and counting theorems (for graph homomorphisms) and it has application to complexity of Boolean queries. 
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