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John Gunnar Carlsson discusses a fundamental concern and trade-off in the analysis of logistical systems.

Read the first of three installments recognizing the new *SIAM Journal on Applied Algebra and Geometry.*

Louis Moresi’s earlier article prompted a deeper look at models of Earth, and more specifically, into Earth’s mantle.

The predictive capability of computational models allows simulation to replace physical experimentation in many scenarios.

By studying seismic data's dynamic and kinematic properties, researchers can infer large-scale variations on a local scale.

In his "Mathematical Curiosities" column, Mark Levi discusses a remarkable theorem discovered by Gromov.

Symplectic geometry, which traces its origins to the work of Poincaré on Hamiltonian systems, has reached a high level of abstraction.

In his recurring column on *Mathematical Curiosities*, Mark Levi discusses an interesting result proved by Jürgen Moser.

In his recurring column, Mark Levi presents a very short geometrical proof of the tautochronous property of the cycloid.