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An epidemic is a sequence of random events If a contact is made, then whether or not infection is transferred is much like tossing a (loaded) coin. How can a simulation take all this uncertainty into account? Bill Casselman University of British Columbia Just recently, I started thinking about makingRead More →

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In Praise of Collaboration Take a look at an extraordinary collaboration in discrete geometry and related geometrical mathematics, the collaboration of Branko Grünbaum and Geoffrey Colin Shephard. Joe Malkevitch York College (CUNY) Introduction Point and line do many activities together—their collaborations create a rich texture for many mathematicians and geometers,Read More →

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Just as a YouTube algorithm might recommend videos with more and more extremist views, machine learning techniques applied to crime data can magnify existing injustice. … Ursula Whitcher AMS | Mathematical Reviews, Ann Arbor, Michigan What is predictive policing? Predictive policing is a law enforcement technique in which officers chooseRead More →

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Tony Phillips’ Column Archive Here are Tony Phillips’ older Feature Columns. Tony’s newest columns may be found here. November 2020 – Completing the Square (History of Mathematics) May 2019 – Topology and Elementary Electric Circuit Theory, II: Duality (Geometry and Topology, Math and the Sciences) October 2018 – Topology andRead More →

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Steven H. Weintraub’s Column Archive Here are Steven H. Weintraub’s Feature Columns. January 1999 – A Prime Case of Chaos (Miscellaneous) December 1998 – Calculating Pi using Elementary Calculus (Calculus and Analysis) November 1998 – Factorization–Unique and Otherwise (Algebra) October 1998 – André Weil, May 6, 1906-August 6, 1998 (HistoryRead More →

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Ursula Whitcher’s Column Archive Here are Ursula Whitcher’s older Feature Columns. Ursula’s newest columns may be found here. February 2021 – Risk Analysis and Romance (Game Theory and Social Choice, Math and the Sciences, Probability and Statistics) July 2020 – Quantifying Injustice (Game Theory and Social Choice, Probability and Statistics)Read More →

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Joe Malkevitch’s Column Archive Here are Joe Malkevitch’s older Feature Columns. Joe’s newest columns may be found here. December 2020 – Pseudonyms in Mathematics (History of Mathematics) August 2020 – Remembering Richard Kenneth Guy: Games and Taking on Mountains (Game Theory and Social Choice, Discrete Math and Combinatorics) April 2020Read More →