A framework of systematic approach on unit commitment formulation is proposed in this paper. The framework is based on locally ideal conceptions to build strong valid inequalities for multi-period ...

Given a set of n points and a set of m unit disks on a 2-dimensional plane, the discrete unit disk cover (DUDC) problem is (i) to check whether each point in is covered by at least one disk in or not ...

The location of the zeros of discrete systems characteristic polynomials with respect to the unit circle is investigated. A new sequence of symmetric polynomials of descending degrees is defined for ...

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German coach Thomas Tuchel was brought in as England manager to get the national team from soccer’s birthplace “over the line” at a World Cup for the first time since 1966. One year out from ...

German coach Thomas Tuchel was brought in as England manager to get the national team from soccer’s birthplace “over the line” at a World Cup for the first time since 1966 ...

Tuchel runs into early problems with England as critics circle German coach Thomas Tuchel was brought in as England manager to get the national team from soccer’s birthplace “over the line ...