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8:26 AM
Just for the record - there is a new tag , as discussed above.
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Q: Berkeley mathematics department colloquium by S.Mochizuki

ArchieOn the website of the Berkeley mathematics department there is mention (see this) of a colloquium held on november 5, 2020 (by Zoom) whose speaker was Shinichi Mochizuki, with a talk titled "Classical Roots of Inter-universal Teichmüller Theory". The corresponding slides seem to be online (see t...

2
Q: Infinite-dimensional quasifields

Jeremy DoverIn their seminal paper on translation planes (The Construction of Translation Planes from Projective Spaces, Journal of Algebra 1:85-102, 1964, https://doi.org/10.1016/0021-8693(64)90010-9), Bruck and Bose proved that every translation plane coordinatized by a quasifield that is finite-dimensiona...

In mathematics, a quasifield is an algebraic structure ( Q , + , ⋅ ) {\displaystyle (Q,+,\cdot )} where + and ⋅ {\displaystyle \cdot } are binary operations on Q, much like a division ring, but with some weaker conditions. All division rings, and thus all fields, are quasifields. == Definition == A quasifield ( Q , + , ⋅ ) {\displaystyle (Q,+,\cdot )} is a structure, where...
 

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