EMS Magazine, No. 120

Highlights include:

• Emmylou Haffner on Bernhard Riemann’s collected works: Then and now - a fascinating illustrated historical account of the editing process
• Alexander I. Efimov on Categorical smooth compactifications and neighborhoods of infinity
• Joaquim Serra on The geometric structure of interfaces and free boundaries. Plateau’s problem, the role of Elliptic PDEs, phase transistions, and beyond.
• Quentin Mérigot and Boris Thibert on Mirrors, lenses and Monge–Ampère equations. Is it possible to shape a piece of glass so that it refracts and concentrates sunlight in order to produce a given image? Plus:
• Impact factor, an inadequate yardstick
• Mathematical (online) meetings reimagined?
• The UK’s first National Mathematics Discovery Centre
• The Weierstrass Institute
• The Slovak Mathematical Society
• How Romanian mathematicians support Uganda in International Mathematical Olympiads ... and much more!

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