MAG138

EMS Magazine No. 138

29 January 2026

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This issue is published open access.

pp. 3–4
A message from the president//Brief words from the editor-in-chief
Jan Philip SolovejDonatella Donatelli
pp. 5–12
Cycles and expansion in graphs
Richard Montgomery
pp. 13–22
Interview with Sir John Kingman
Ana Isabel MendesMartin Raussen
pp. 23–28
Evolution of ChatGPT in Mathematica: a user experience
Galina FilipukAndrzej Kozłowski
pp. 29–32
Side by side: interview with Cristiana De Filippis and Tuomo Kuusi
Raffaella Mulas
pp. 33–35
Fraudulent publishing in mathematics: a European call to action and how information infrastructure can help
Moritz SchubotzJan Philip Solovej
pp. 36–38
Banach Center and its mother institution, IMPAN (Institute of Mathematics of the Polish Academy of Sciences)
Adam Skalski
pp. 39–42
Traces and trajectories: in memory of Edi Zehnder (November 10, 1940–November 22, 2024)
Paul BiranFelix Schlenk
pp. 43–47
Sergey P. Novikov (1938–2024)
Iskander A. Taimanov
pp. 48–51
In2scienceUK and the University of Leeds: unlocking equitable opportunities in STEM
Ruth HollandHannah Newman
pp. 52–56
MOSS: highlights from the first season
Cristina Molero-RíoBelén Pulido
pp. 57–61
Thematic Working Group on the Teaching and Learning of Calculus, TWG25
Laura Branchetti
pp. 62–63
Book review: “Mathematica: A Secret World of Intuition and Curiosity” by David Bessis (translated by Kevin Frey)
Noah Giansiracusa
p. 64
New editors appointed
Boris AdamczewskiJesse Railo
pp. 65–67
Announcement of the next meeting of the EMS Council Lisbon, Portugal on June 27–28, 2026