The “moving sofa problem,” a puzzle that has remained unresolved since it was introduced in 1966 and memorably illustrated in ...

Abstract: Geometric insight may lead to a quick solution for a class of non-LQ optimal control problems. We illustrate this with a simple, inconspicuous-looking example. While necessary conditions for ...

California doesn’t have a water shortage problem. It has a water distribution problem. The state’s almond growers use about 20% of California’s available water and three-quarters of that goes to grow ...

Mexican state-owned oil company Pemex said it is having "temporary" problems with the distribution of gasoline in Mexico City and its suburban areas due to lower availability of tankers to transport ...

MEXICO CITY, Aug 15 (Reuters) - Mexican state-owned oil company Pemex said it is having "temporary" problems with the distribution of gasoline in Mexico City and its suburban areas due to lower ...

When a query contains SAMPLE p for a probability p, the selection of rows can be modeled as a sequence of Bernoulli trials, where each row has probability p of being selected in the sample. The ...

While some of these indices are much more attractive in terms of yield than they were over most of the past decade, none of these yields are especially attractive to those who need income. After all, ...

This workshop will begin with a Problem Session, with participants giving short (10 min) pitches for open problems that they would like to work on with a group. Problems in any mainstream area of ...

CAIRO/JERUSALEM (Reuters) -U.N. trucks delivering food to Gaza were stopped and looted overnight, Gaza residents and merchants said on Wednesday, hours after desperate Palestinians overran a ...