Abstract: This article proposes a quantum group decision model that integrates intuitionistic fuzzy sets to represent the uncertainty of meteorological disaster information, addressing both vagueness ...
Earlier today I set you the following set of numerical challenges to celebrate the arrival of 2026. Auld lang signs Here is an expression equal to 26 that uses six 1s: (1+1)×(1+1+11) Find expressions ...
Mathematician Johannes Schmitt reports that GPT-5 has independently solved an open mathematical problem for the first time. The resulting paper clearly documents the collaboration between humans and ...
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