Edwin O'Shea

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Dept. of Mathematics & Statistics
305 Roop Hall, MSC 1911
James Madison University
Harrisonburg, VA, 22807

email: osheaem[at]jmu.edu
office: Roop 323

office hours:
Fridays 1045-1215, Roop 213.

Recent and current activities:

Teaching in Fall 2020
Recent/Upcoming Talks
- People, Places, Practices.
  Joint BSHM - CSHPM/SCHPM Conference, University of St Andrews, Scotland.
  (orig.scheduled for July 2020, postponed due to COVID-19).
- The Parallel Postulate and Geometries without Rigidity:
  JMU (Oct. 7), Washington and Lee (Oct. 15), George Mason (Nov. 1).
Recent Writings
- Research/Scholarship
  - On the equivalence of Playfair's axiom to the parallel postulate,
    with Brown, Castner, Davis, Seryozhenkov, and Vargas (picture),
    appeared in August 2019 issue of Journal of Geometry.
  - Divisibility Tests Unified: Stacking the Trimmings for Sums
    appeared in the April 2019 issue of Mathematics Magazine.
- Exposition/Outreach
  - Who are our students?
    AMS Blog on Teaching and Learning Mathematics, February 2020.
  - Proofs are like love songs
    appeared in the November 2018 issue of Math Horizons.
  - How to rig an election (or protect against it)," Staunton Public Library, Fall 2018. Three workshops on apportionment, gerrymnadering and voting methods.
  - Democracy has roots in math and science,
    op-ed in the Richmond Times-Dispatch, October 5, 2017.

Attempts at constructing polyhedra at the MAA Found Math Gallery.