In This Issue

Tradition regards rational functions as a computational minefield, but recent developments are changing this picture.

An impressive array of theoretical results in optimization have been motivated by machine learning.

Researchers are using machine learning techniques to understand the mechanisms that make brittle materials fail.

Data science is helping to quantify the underrepresentation of women and people of color in art museums.

Ken Boyden, SIAM's Director of Development and Corporate Relations, reflects on the generosity of the SIAM community.

James Case reviews Frank Ramsey: A Sheer Excess of Powers by philosophy professor Cheryl Misak.

Donald G. Saari reflects on his 2018 book and invites mathematicians to explore the social and behavioral sciences.

Mark Levi presents a straightforward method for deriving Heron's formula, which gives the area of a triangle.

Richard Moore, SIAM's Director of Programs and Services, describes the pivot to virtual conferences in 2020.

COMAP's Mathematical Contest in Modeling encourages undergraduate students to solve real-world problems.