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Tag Archives: universal algebra
Banff, day 1
The first day of the meeting is over. We met in the well-appointed lecture room at BIRS, on the Banff Centre campus, with its comfortable seating: We have also had the group photo taken: The first day was devoted to … Continue reading
The definition of a graph, 2
A few years ago, three consecutive speakers in the pure maths seminar at Queen Mary gave three entirely different definitions of a graph. The next speaker to appear was talking on a topic completely unconnected with graphs, but someone in … Continue reading
Posted in exposition
Tagged block design, category, digraph, directed graph, hypergraph, incidence structure, loops, multiple edges, topological space, universal algebra
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