Browse Issues:

### Is There a Role for Mathematics in Food Security?

The Obama administration has declared food security a federal priority area, so here is another opportunity for our community to apply its modeling and computational expertise. The question is: Where is the mathematics, and if there is mathematics in food security, how can we participate?

### Biologically-inspired Linkage Design: Computing Form From Function

For several decades, engineers have been designing robots resembling the general structure of a human, called humanoid robots. In response to the nuclear disaster at Fukushima, Japan in 2011, the DARPA Robotics Challenge was created to accelerate the development of robots that could perform tasks in areas too dangerous for humans.

### Computational Sciences in the Upstream Oil and Gas Industry: The ExxonMobil Experience

Thomas Halsey describes the growth of software spurred by the need to create computational models to understand the detailed structure of the subsurface, making the oil and gas industry one of the largest private sector users of high performance computing.

### ICIAM 2015 in Beijing

View photos from the 8th International Congress on Industrial and Applied Mathematics (ICIAM 2015) held in Beijing, China. The meeting was a great success, drawing over 3,400 attendees. A stellar lineup of invited speaker sessions and minisymposia, prize lectures, and poster sessions highlighted the Congress.

### Data assimilation in numerical weather prediction

The seamless integration of large data sets into sophisticated computational models provides one of the central challenges for the mathematical sciences in the 21st century. When the computational model is based on dynamical systems and the data set is time ordered, the process of combining models and data is called data assimilation.

### Life is a Tensor. . . Pilot Program Aims at Expanding SIAM Impact

A pilot mentoring and Broader Engagement (BE) program organized by the Sustainable Horizons Institute (SHI) gave students a venue to present their research, and not only helped protégés connect with mentors, but also with opportunities to jobs, internships, collaborations, and more at the 2015 SIAM Conference on Computational Science and Engineering (CSE15).

### The Personality of Numbers

BOOK REVIEW: Single Digits: In Praise of Small Numbers. By Marc Chamberland, Princeton Univ-ersity Press, Princeton, NJ, 2015, 240 pages, \$26.95.

### Gil Strang Celebration

More than one hundred people gathered at the 8th International Congress on Industrial and Applied Mathematics (ICIAM 2015) in Beijing to honor Gil Strang and celebrate his 80th birthday.

### The Jungle of Stochastic Optimization

There is widespread acceptance of basic modeling frameworks for deterministic versions of problems that fall under the broad umbrella of making sequential decisions under uncertainty from the fields of math programming and optimal control, but sequential stochastic problems are another matter.

### Obituaries

Joseph F. Traub passed away on August 24, 2015, in his home in Santa Fe, New Mexico. He was 83 years old. His death was sudden and unexpected.   Joe will be missed by his many friends and colleagues.

### Moser’s theorem on the Jacobians

In one of his seminal papers [1], Moser proved a result, which in the simplest setting, still capturing the gist, states: Given a positive continuous smooth function h on a compact, connected domain D$$\subset$$Rn with the average [h] = 1, there exists a diffeomorphism $$\varphi$$ of D onto itself with the Jacobian h: $$\mbox{det}\,\varphi'(x)=h(x)$$

### Discrete-Time Markov Jump Linear Systems

In order to deal with the effects of abrupt changes, we must be able to model the changes adequately. In a control-oriented perspective, attempts to carve out an appropriate mathematical framework for the study of dynamical systems subject to abrupt changes in structure date back at least to the 1960s.

### DMS Mathematical Sciences Research Institutes Update

Upon hearing the decision following funding review of the five math institutes, SIAM News invited NSF Mathematical Sciences Division Director Michael Vogelius to write an article that would outline his vision of the portfolio of NSF-funded mathematical institutes.

### Inaugural Meeting of the SIAM Activity Group on Mathematics of Planet Earth

Climate, climate change, sustainability, ecology, biodiversity, energy, food, and water are among the areas of greatest global concern. The newly formed SIAM Activity Group on Mathematics of Planet Earth involving mathematicians and computational scientists engaged in these critical priority areas will hold its inaugural meeting in Philadelphia next September.

### 40 years of Preconditioning

The 9th International Conference on Preconditioning Techniques for Scientific and Industrial applications was held at Eindhoven University of Technology in June.

## SIAM Connect

 NSF seeks graduate research fellowship applications and reviewers Latest issue of SIAM News Old Dominion University Graduate Programs in Computational and Applied Mathematics

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## Conferences & Events

September 08, 2015 To December 11, 2015

New Directions in Mathematical Approaches for Traffic Flow Management

September 09, 2015 To December 04, 2015

ICERM Semester Program on Computational Aspects of the Langlands Program

October 12, 2015 To October 14, 2015

SIAM Conference on Geometric and Physical Modeling (GDSPM15)

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## Inside SIAM

#### Upcoming SIAM Events

October 12, 2015 To October 14, 2015

SIAM Conference on Geometric and Physical Modeling (GDSPM15)

October 15, 2015

W. T. and Idalia Reid Prize Nomination Deadline

October 15, 2015

Richard C. DiPrima Prize Nomination Deadline

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