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Wednesday Meeting, 2018 09 05

Finlay Smith edited this page Sep 11, 2018 · 1 revision

Wednesday Meeting, 2018-09-05

Lecture Theatre D

Attending

  • James Mitchell
  • Markus Pfeiffer
  • Chris Russell
  • Finn Smith

Apologies

Minutes

Participant Activity
James Mitchell Working on libsemigroups congruences
Markus Pfeiffer Running Chris Jefferson's profiler on Semigroups, fixing matrix conflict with GAP library
Chris Russell Pursuing 'exciting' idea about enumerating congruence-free semigroups
Finn Smith Persuading his translational hull code to handle examples from Stuart Margolis

The meeting began at around 14:05. James discussed with Finn and Chris what they have been working on.

  • Finn - translational hull things for Stuart Margolis.
  • Chris - E-unitary acting semigroups, packaging RMS database, enumerating congruence-free semigroups.

James wants to get libsemigroups in a decent state and then graphs and orbs merged. We noted that everything needed for the acting inverse semigroups algorithms is now available in libsemigroups, prompted by #506.

We need to resolve the matrix conflicts between GAP library and Semigroups (see #2737), so GAP 4.10 can be branched.

The meeting dissolved at around 17:30.

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