Showing 2025Show all
2 papers · 1 filter
math.FA2025
Norm additive mappings between commutative -algebras in the range
Daisuke Hirota
Let \( A_i \) be a commutative \( C^{*} \)-algebra for \( i = 1, 2 \), and denote by \( A_i^{+} \) its positive cone, consisting of all positive elements of \( A_i \). In this pape…
cs.GT2025
Rational Adversaries and the Maintenance of Fragility: A Game-Theoretic Theory of Rational Stagnation
Daisuke Hirota
Cooperative systems often remain in persistently suboptimal yet stable states. This paper explains such "rational stagnation" as an equilibrium sustained by a rational adversary wh…