In This Issue

Sabine Van Huffel shows that tensor decompositions can be highly useful in biomedical data processing.

Chaos does not have a satisfactory single mathematical definition; rather, it has many mathematical manifestations in many different situations.

Charles Lawson, who worked at the Jet Propulsion Laboratory at Caltech, died on July 2, 2015, in Laguna Woods, CA.

James Case reviews The Science of Interstellar by Kip Thorne and discusses the recent blockbuster movie.

Francis Clarke discusses issues for an optimal control problem that arises in modeling renewable resources.

Gail Corbett steps down as managing editor of SIAM News after more than 28 years.

Upon his retirement, Jim Goldman muses on working at SIAM and SIAM's progression as a society in terms of technology.

The 13th International Symposium on Orthogonal Polynomials, Special Functions and Applications was held in June 2015.

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