Up to equivalence, there aren’t nine distinct opening moves. There are only three. If it isn’t immediately clear to you what “up to equivalence” means here, I urge you to try and figure it out ...
In the early 1960s George Gamow wrote a popular book 1 that contained a very suggestive observation about the effectiveness of pure mathematics in physics. As a conclusion he remarked that “only ...
Endperiodic maps, splitting sequences, and branched surfaces. Michael Landry and Chi Cheuk Tsang. To appear in Geometry and Topology. 144 pages. A polynomial invariant for veering triangulations.
US mathematician Dennis Sullivan has won one of the most prestigious awards in mathematics, for his contributions to topology — the study of qualitative properties of shapes — and related fields.
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