Volume 54 | Number 10 | December 2021

A Nonparametric Swiss Army Knife for Medicine

Researchers developed nonparametric techniques that use algebraic geometry and topology to study biological systems.

Removing Kalman from Ensemble Kalman Filtering

On a geophysical scale, the dual burdens of storage and computational cost for Kalman filtering are prohibitive.

Andreas Griewank, whose contributions shaped the field of optimization, passed away on September 16, 2021.

An interactive session at AN21 aimed to enhance the community’s understanding of racial equity in applied mathematics.

A new program introduced high school students to mathematical modeling and prepared them for modeling contests.

The SciFest All Access event offered a virtual STEM exposition for K-12 students, educators, and their families.

An ellipsoid of revolution that is made out of solid glass and has certain geometrical properties can focus light at a point.

Richard Moore reflects on lessons learned from virtual conferences in 2021 and plans for the hybrid future.

Ernest Davis reviews Julian Havil's Curves for the Mathematically Curious, an anthology of ten curves.

The Radon Transform and Medical Imaging surveys the concepts and techniques that drive computed tomography.

The SIAM SEAS conference took place in September 2021 with a hybrid modality and attracted over 200 participants.

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