Results 151 to 160 of about 1,224,894 (351)

Optimal transport and regularity of weak Kantorovich potentials on a globally hyperbolic spacetime [PDF]

open access: yesarXiv
We consider the optimal transportation problem on a globally hyperbolic spacetime for some Lorentzian cost function, which corresponds to the optimal transportation problem on a complete Riemannian manifold where the cost function is the Riemannian distance squared.
arxiv  

Quantum substitutions of Pisot type, their quantum topological entropy and their use for optimal spacing [PDF]

open access: yesarXiv, 2008
Quantum substitutions of Pisot type (and their quantum topological entropy) are introduced. Their utility as algorithms for optimal spacing is analyzed.
arxiv  

On the mathematical basis of inter-temporal optimization [PDF]

open access: yes, 2010
Almost no economic time series is either weakly or strictly stationary: distributions of economic variables shift over time. Thus, the present treatment of expectations in economic theories of inter-temporal optimization is inappropriate. It cannot be proved that conditional expectations based on the current distribution are minimum mean-square error 1-
David Hendry, Grayham E. Mizon
openaire   +2 more sources

Advances in Radiative Heat Transfer: Bridging Far‐Field Fundamentals and Emerging Near‐Field Innovations

open access: yesAdvanced Functional Materials, EarlyView.
This review synthesizes the evolution of radiative heat transfer, emphasizing the transition from far‐field to near‐field regimes. Traditional frameworks, such as Planck's law, are revisited alongside modern innovations like fluctuational electrodynamics. Applications span nanoscale thermal management, energy harvesting, and thermophotovoltaic systems.
Ambali Alade Odebowale   +6 more
wiley   +1 more source

A Survey of Recent Advances in Optimization Methods for Wireless Communications [PDF]

open access: yesarXiv
Mathematical optimization is now widely regarded as an indispensable modeling and solution tool for the design of wireless communications systems. While optimization has played a significant role in the revolutionary progress in wireless communication and networking technologies from 1G to 5G and onto the future 6G, the innovations in wireless ...
arxiv  

Optimal bounds for periodic mixtures of ferromagnetic interactions [PDF]

open access: yesarXiv, 2014
In this paper we give optimal bounds for the homogenization of periodic Ising systems when the coefficients may take two given values in given proportions.
arxiv  

General Smooth Solutions to the HJB PDE: Applications to Finance

open access: yes, 2017
We overcome a major obstacle in mathematical optimization. In so doing, we provide a smooth solution to the HJB PDE without assuming the differentiability of the value function.
Alghalith, Moawia
core  

Efficient Robust Optimization of Metal Forming Processes using a Sequential Metamodel Based Strategy [PDF]

open access: yes, 2011
The coupling of Finite Element (FE) simulations to mathematical optimization techniques has contributed significantly to product improvements and cost reductions in the metal forming industries.
Boogaard, A.H. van den   +2 more
core   +1 more source

Multidirectionally Patterned Interdigital Transducers for Enhancing Acoustofluidic Streaming with Flexible Printed Circuit Board

open access: yesAdvanced Functional Materials, EarlyView.
A reconfigurable and multidirectional interdigital transducer (M‐IDT) on a flexible printed circuit board provides a practical platform for acoustofluidic research. It simplifies and accelerates prototyping, enabling cost‐effective exploration of wave modes and fluid dynamics.
Mercedes Stringer   +11 more
wiley   +1 more source

Investigation of optimization of attitude control systems, volume i [PDF]

open access: yes
Optimization of attitude control systems by development of mathematical model and computer program for space vehicle ...
Agarwal, G. C.   +5 more
core   +1 more source

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