To address the simultaneous search and optimization of multiple variable types in nonlinear mixed integer programming problems, a grouping and comprehensive processing method is employed. The proposed ...

Abstract: Multi-objective integer non-linear programming (MINP) problems are ubiquitous in real life, however, only the ε-constraint method can be used to solve MINP problems. To improve the ...

A new AI model learns to "think" longer on hard problems, achieving more robust reasoning and better generalization to novel, unseen tasks.

Fiery volcanoes have belched up molten rock, hot ash, and gas since Earth formed billions of years ago.

Learn more about how to exercise your voting rights, resist voter intimidation efforts, and access disability-related accommodations and language assistance at the polls. For help at the polls, call ...

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