Notices of the American Mathematical Society

For issues spanning 1954 to 2015, the complete Tables of Contents (TOCs) are fully accessible only by downloading the entire issue in PDF format. From 2016 onwards, the availability and detail of TOCs have significantly improved.

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Featured Articles and Invitations from the AMS

Breaking the Kolmogorov Barrier with Nonlinear Model Reduction

Benjamin Peherstorfer

This article describes the Kolmogorov barrier of linear model reduction and then outlines how nonlinear methods can overcome the barrier. A numerical example of simulating combustion instabilities in a single-injector element of a rocket engine demonstrates adaptive empirical interpolation as one example of a nonlinear model reduction method.

From Zero to Positive Entropy

Sylvain Crovisier and Enrique Pujals

A tentative global framework toward describing a large class of two-dimensional dynamics, inspired partially by the developments in the one-dimensional theory of interval maps, is discussed. More precisely, we present a class of intermediate smooth dynamics between one and higher dimensions.

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