On the Existence of Universal Graphs by Prof. Aaron Hill
Friday, March 7 at 1:00pm to 1:45pm
Bronfman Science Center, 106 18 Hoxsey St, Williamstown, MA 01267, USA
Mathematics and Statistics Department Faculty Seminar by Prof. Aaron Hill, University of North Texas
Abstract: We'll discuss infinite graphs and whether certain classes of infinite graphs (e.g. the class of countable graphs) have a universal element. Interestingly, some of these questions require more than the usual axioms of ZFC to answer. The talk should be fully accessible to those who know what a graph is (the sort of graph that has vertices and edges) and know basic facts about countability (e.g., that a countable union of countable sets is countable).
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