Contents

  • 131 Editorial Raf Bocklandt
  • 132 Calendar Edward Berengoltz
  • 134 News Edward Berengoltz
  • 137 The Axiomatics of Resource Allocation Bas Dietzenbacher
  • 140 Mathematical prediction models for epidemics Clara Stegehuis
  • 143 At the intersection of mathematics and medicine Nicky Hekster, Jan van Neerven and Petrette Verschure
  • 145 Introduction to the Leiden Declaration Sander Dahmen, Jim Portegies, Steven Kelk
  • 147 Leiden Declaration on Artificial Intelligence and Mathematics Leiden Declaration Working Group
  • 151 Emerging math talents present at Abel Prize ceremony Weetske de Vos and Lammert Westerdijk
  • 153 ANTS in Groningen Ekin Özman
  • 156 In the defense: Galina Pass Nicos Starreveld
  • 158 Rien Kaashoek: Leading in operator theory, education and governance Harm Bart, Gilbert Groenewald, Sanne ter Horst, Teun Koetsier, Jan van Mill, Derk Pik, André Ran, Freek van Schagen, Hugo Woerdeman
  • 161 Random Graphs for Fast Cell-Cell Interaction Modelling Mike van Santvoort
  • 165 ICM 2026: A postcard from Philadelphia Marianne Freiberger and Rachel Thomas
  • 168 Counted by a Counterexample Raf Bocklandt
  • 170 From the Waal to the Forth Chris Heunen
  • 172 Math B exam of 2026 Wim Caspers
  • 174 Student-teacher conversation Nelly Litvak, Mara Chelărescu, Luuk Wubben, Pranab Mandal
  • 180 Open stage Raffaella Mulas
  • 181 Mismat(c)h André Hensbergen
  • 182 Mathfest 2026: A math festival for young and old Nicos Starreveld
  • 184 Interview Marius Crainic: An Invitation to Poisson Geometry Nicos Starreveld
  • 186 Addedum to In Memoriam Jan van de Lune Herman te Riele
  • 187 Book reviews Hans Cuypers, Hans Strong, Enna van Dijk