In This Issue

The increasing role of artificial intelligence to automate decision-making sparks concern about potential AI-based discrimination.

Matrices of small integers—innocuous as they may seem—can clearly provoke interesting behavior.

Joseph Teran spoke about the use of mathematical models for computer-generated imagery at AN18.

On the occasion of a birthday celebration, Walter Gautschi describes his interest in different research areas.

Gil Strang identifies continuous piecewise linear functions as powerful approximators in an effort to transform shallow learning into deep learning.

Per-Gunnar Martinsson describes two randomized algorithms designed to help process large datasets in high-dimensional spaces.

Nature can overcome the second law of thermodynamics and (nearly) exchange the temperatures of two substances.