Linear bilevel optimization problems have gained increasing attention both in theory as well as in practical applications of Operations Research (OR) during the last years and decades. The latter is mainly due to the ability of this class of problems to model hierarchical decision processes....

Linear bilevel optimization problems are often tackled by replacing the linear lower-level problem with its Karush–Kuhn–Tucker conditions. The resulting single-level problem can be solved in a branch-and-bound fashion by branching on the complementarity constraints of the lower-level...

Chapter 1 -- A step forward to the future society -- Part 1: Evolution of money and thinking complexities in the AI era -- Chapter 2: 'Good Money Drives Out Bad' among Diversifying e-moneys: Cryptocurrency, Stablecoin, and Digital Community Currency -- Chapter 3: Practical case study About US:...