Results 31 to 40 of about 2,651 (92)

A Multivariate Mixed‐Effects Regression Framework for Ground Motion Modeling: Integrating Parametric and Machine Learning Approaches

open access: yesEarthquake Engineering &Structural Dynamics, EarlyView.
ABSTRACT Multivariate ground motion models (GMMs) that capture the correlation between different intensity measures (IMs) are essential for seismic risk assessment. Conventional GMMs are often developed using a two‐stage approach, where separate univariate models with predefined functional forms are fitted first, and correlation is addressed in a ...
Sayed Mohammad Sajad Hussaini   +2 more
wiley   +1 more source

Necessary and Sufficient Conditions in Trust Development Over Time: Understanding the Borrower–Lender Relationship

open access: yesBritish Journal of Management, EarlyView.
Abstract We explore configurations of sufficient and necessary conditions for the evolution and resilience of borrower trust in their lenders. Because trust is a dynamic phenomenon that needs to be understood in terms of change over time, we rely on longitudinal data collected from managers of small‐ and medium‐sized enterprises (SME) who are clients ...
Andrea Moro   +2 more
wiley   +1 more source

On Algebras of Distributions of Binary Formulas for Theories of Unars

open access: yesИзвестия Иркутского государственного университета: Серия "Математика", 2016
Algebras of distributions of binary isolating and semi-isolating formulas are derived structures for a given theory. These algebras reflect binary links between realizations of 1-types defined by formulas of the initial theory.
D. Emelyanov
doaj  

Why did Putin invade Ukraine? A theory of degenerate autocracy

open access: yesAmerican Journal of Political Science, EarlyView.
Abstract Many dictatorships end up with a series of disastrous decisions such as Hitler's attack on the Soviet Union or Saddam Hussein's aggression against Kuwait. Even if a certain policy choice is not ultimately fatal for the regime, such as Mao's Big Leap Forward or the Pol Pot's collectivization drive, they typically involve both a miscalculation ...
Georgy Egorov, Konstantin Sonin
wiley   +1 more source

Existence of periodic solutions of the FitzHugh-Nagumo equations for an explicit range of the small parameter

open access: yes, 2016
The FitzHugh-Nagumo model describing propagation of nerve impulses in axon is given by fast-slow reaction-diffusion equations, with dependence on a parameter $\epsilon$ representing the ratio of time scales.
Czechowski, Aleksander   +1 more
core   +1 more source

Computing Skinning Weights via Convex Duality

open access: yesComputer Graphics Forum, EarlyView.
We present an alternate optimization method to compute bounded biharmonic skinning weights. Our method relies on a dual formulation, which can be optimized with a nonnegative linear least squares setup. Abstract We study the problem of optimising for skinning weights through the lens of convex duality.
J. Solomon, O. Stein
wiley   +1 more source

Aggregation and the Structure of Value

open access: yesNoûs, EarlyView.
ABSTRACT Roughly, the view I call “Additivism” sums up value across time and people. Given some standard assumptions, I show that Additivism follows from two principles. The first says that how lives align in time cannot, in itself, matter. The second says, roughly, that a world cannot be better unless it is better within some period or another.
Weng Kin San
wiley   +1 more source

Exact Algorithms for Solving Stochastic Games [PDF]

open access: yes, 2012
Shapley's discounted stochastic games, Everett's recursive games and Gillette's undiscounted stochastic games are classical models of game theory describing two-player zero-sum games of potentially infinite duration.
Hansen, Kristoffer Arnsfelt   +4 more
core   +1 more source

Assessing multifunctional mountain landscape in an Eastern European framework

open access: yesGeographical Research, Volume 64, Issue 2, May 2026.
The research introduces the Biocultural Resilience Index (BRI), a novel tool for assessing multifunctional landscape sustainability. By integrating biological, cultural, and socio‐economic indicators, the BRI identifies vulnerable areas and informs strategies for sustainable management.
Viorel Gligor   +4 more
wiley   +1 more source

On algebras of binary isolating formulas for weakly circularly minimal theoriesof convexity rank 2

open access: yesKazakh Mathematical Journal
This paper is devoted to the study of weakly circularly minimal circularly ordered structures. The simplest example of a circular order is a linear order with endpoints, in which the largest element is identified with the smallest. Another example is the order that arises when going around a circle.
Beibut Kulpeshov, Sergey Sudoplatov
openaire   +1 more source

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