Results 31 to 40 of about 431 (149)

Are Choices Binary?

open access: yesPhilosophical Issues, EarlyView.
ABSTRACT There is a natural view of the relationship between preference and choice: an option is choiceworthy if and only if no alternative is strictly preferred to it. I argue against this view on two grounds. First, it makes false predictions about which options are choiceworthy in games and in multidimensional choice settings.
Brian Weatherson
wiley   +1 more source

s-Arc-transitive graphs and normal subgroups

open access: yesJournal of Algebra, 2015
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Li, Cai Heng   +2 more
openaire   +1 more source

Robust Control Design and Analysis Based on Lifting Linearization of Nonlinear Systems Under Uncertain Initial Conditions

open access: yesInternational Journal of Robust and Nonlinear Control, Volume 36, Issue 5, Page 3047-3067, 25 March 2026.
ABSTRACT This paper presents a robust control synthesis and analysis framework for nonlinear systems with uncertain initial conditions. First, a deep learning‐based lifting approach is proposed to approximate nonlinear dynamical systems with linear parameter‐varying (LPV) state‐space models in higher‐dimensional spaces while simultaneously ...
Sourav Sinha, Mazen Farhood
wiley   +1 more source

Smart Contracts and SME Resilience: Business Model Adaptation and International Considerations

open access: yesCanadian Journal of Administrative Sciences / Revue Canadienne des Sciences de l'Administration, Volume 43, Issue 1, March 2026.
ABSTRACT Smart contracts (SCs), appended to a blockchain, protect digital environments and their resources, processes and structures, reducing mismatches between legal and actual rights and ownership. They enhance digital resilience by improving transparency, traceability and trust in digital transactions.
Araz Zirar   +2 more
wiley   +1 more source

Efficacy and Safety of Pharmacological, Endoscopic, and Surgical Treatments for Obesity: A GRADE‐Based Network Meta‐Analysis

open access: yesObesity, Volume 34, Issue 2, Page 279-293, February 2026.
ABSTRACT Objective This review compared antiobesity strategies—obesity management medications (OMM), endoscopic bariatric procedures (EBP), and metabolic bariatric surgery (MBS)—with lifestyle intervention, placebo, or no therapy (LSI/Pbo/NT). Methods This network meta‐analysis included randomized clinical trials comparing OMM, EBP, and MBS versus LSI ...
Maurizio De Luca   +12 more
wiley   +1 more source

Limit Orders and Knightian Uncertainty

open access: yesInternational Economic Review, Volume 67, Issue 1, Page 353-363, February 2026.
ABSTRACT A wide variety of financial instruments allows risk‐averse traders to reduce their exposure to risk. This raises the question of what financial instruments allow ambiguity‐averse traders to reduce their exposure to ambiguity. We show in this paper that price‐contingent orders, such as limit orders, are sufficient: In a two‐period trading model,
Michael Greinecker, Christoph Kuzmics
wiley   +1 more source

Nonemptiness of the Alpha‐Core

open access: yesJournal of Public Economic Theory, Volume 28, Issue 1, February 2026.
ABSTRACT We prove nonemptiness of the α $\alpha $‐core for balanced games with nonordered preferences, extending and generalizing in several aspects the results of Scarf (1971), Border (1984), Florenzano (1989), Yannelis (1991b), and Kajii (1992). In particular, we answer an open question in Kajii (1992) regarding the applicability of the nonemptiness ...
V. Filipe Martins‐da‐Rocha   +1 more
wiley   +1 more source

The cosymplectic Chern–Hamilton conjecture

open access: yesJournal of the London Mathematical Society, Volume 113, Issue 2, February 2026.
Abstract In this paper, we study the Chern–Hamilton energy functional on compact cosymplectic manifolds, fully classifying in dimension 3 those manifolds admitting a critical compatible metric for this functional. This is the case if and only if either the manifold is co‐Kähler or if it is a mapping torus of the 2‐torus by a hyperbolic toral ...
Søren Dyhr   +3 more
wiley   +1 more source

Phase Transition of Normal Higher Primary Bromides. III.

open access: yesJournal of Japan Oil Chemists' Society, 1975
The structures and transition behaviors of the linear long chain primary bromides of even carbon atoms from 1-bromodocosane to 1-bromooctacosane were studied by X-ray powder diffraction method at various temperatures from ordinary temperature to their melting points, and the solid state transition mechanism of the compounds was discussed.Crystal ...
Naotake NAKAMURA, Akira WATANABE
openaire   +5 more sources

Derangements in intransitive groups

open access: yesJournal of the London Mathematical Society, Volume 113, Issue 2, February 2026.
Abstract Let G$G$ be a nontrivial permutation group of degree n$n$. If G$G$ is transitive, then a theorem of Jordan states that G$G$ has a derangement. Equivalently, a finite group is never the union of conjugates of a proper subgroup. If G$G$ is intransitive, then G$G$ may fail to have a derangement, and this can happen even if G$G$ has only two ...
David Ellis, Scott Harper
wiley   +1 more source

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