Results 201 to 210 of about 829,454 (288)

Complex Differential Games of Pursuit-Evasion Type with State Constraints, Part 1: Necessary Conditions for Optimal Open-Loop Strategies

open access: yes
. Complex pursuit-evasion games with state variable inequality constraints are investigated. Necessary conditions of the first and the second order for optimal trajectories are developed, which enable the calculation of optimal open-loop strategies.
M. H. Breitner, W. Grimm, H. J. Pesch
core  

‘The Tragedy of a Small Nation’: Alexander Devine and British Perspectives on the Montenegrin Question, 1918–24

open access: yesHistory, EarlyView.
Abstract This article examines the pro‐Montenegrin political campaigns of Alexander Devine, a schoolmaster and journalist who became Montenegro's leading British advocate following its incorporation into the Kingdom of Serbs, Croats and Slovenes after the First World War.
ROSS CAMERON
wiley   +1 more source

Obligation, Exemption and Remission: The Multi‐Layered Functioning of the Poll Tax (Cizye) in Ottoman Governance during the Long Eighteenth Century

open access: yesHistory, EarlyView.
Abstract This article examines the poll tax (Ottoman Turkish cizye; Arabic jizya) levied on non‐Muslim subjects of the Ottoman Empire, not as a fixed, one‐dimensional tax item within the Ottoman fiscal system but as a multi‐layered administrative instrument organized around obligation, exemption and remission.
ÖZLEM BAŞARIR
wiley   +1 more source

Challenges, salutogenic resources and adolescent agency: a qualitative study in a public school in Peru. [PDF]

open access: yesFront Public Health
Guevara-Cabello MM   +3 more
europepmc   +1 more source

Snapshots from a Fast‐Moving Train: Religious History 1960–2025

open access: yes
Journal of Religious History, EarlyView.
Alexandra Walsham
wiley   +1 more source

THE URBANOLOGISTS COME TO TOWN: Professional Life and Work in the Urban Solutions Industry

open access: yesInternational Journal of Urban and Regional Research, EarlyView.
Abstract This article charts the upsurge of an eclectic global community of professionals new to the field of urban policy and governance, animated by playful and celebratory attitudes towards cities and urbanization: the urbanologists. It contributes to debates in critical urban theory and critical ethnographies of technology to problematize ...
Rachel Bok
wiley   +1 more source

VOID URBANISM: Unbuilt New Cities and State Formation in the Democratic Republic of Congo

open access: yesInternational Journal of Urban and Regional Research, EarlyView.
Abstract Based on an analysis of the planning process behind Kitoko City in the Democratic Republic of Congo—a new city project officially launched in 2019 but never implemented—this article examines the political, social, and spatial effects generated by urban initiatives that remain at the stage of intention. It investigates how such unbuilt projects
Patrick Belinga Ondoua
wiley   +1 more source

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