Results 81 to 90 of about 141,707 (269)
The Huang–Yang Formula for the Low‐Density Fermi Gas: Upper Bound
Communications on Pure and Applied Mathematics, EarlyView.ABSTRACT We study the ground state energy of a gas of spin 1/2$1/2$ fermions with repulsive short‐range interactions. We derive an upper bound that agrees, at low density ϱ$\varrho$, with the Huang–Yang conjecture. The latter captures the first three terms in an asymptotic low‐density expansion, and in particular the Huang–Yang correction term of order
Emanuela L. Giacomelli +3 more
wiley +1 more source
Research on Commutation Failure in Multi-feed HVDC Transmission System
发电技术, 2020 HVDC transmission systems present a risk of commutation failure. For multi-infeed HVDC transmission systems, due to the interaction between AC and DC systems, the commutation failure of a single inverter station may cause multiple inverter stations to ...
Jiaming WANG, Hao YU, Wuhui CHEN
doaj +1 more source
Noncommutative theories and general coordinate transformations
, 2004 We study the class of noncommutative theories in $d$ dimensions whose spatial coordinates $(x_i)_{i=1}^d$ can be obtained by performing a smooth change of variables on $(y_i)_{i=1}^d$, the coordinates of a standard noncommutative theory, which satisfy ...
C. D. Fosco +3 more
core +1 more source
Invariant Measure and Universality of the 2D Yang–Mills Langevin Dynamic
Communications on Pure and Applied Mathematics, EarlyView.ABSTRACT We prove that the Yang–Mills (YM) measure for the trivial principal bundle over the two‐dimensional torus, with any connected, compact structure group, is invariant for the associated renormalised Langevin dynamic. Our argument relies on a combination of regularity structures, lattice gauge‐fixing and Bourgain's method for invariant measures ...
Ilya Chevyrev, Hao Shen
wiley +1 more source
Two-dimensional Noncommutative Gravitational Quantum Well
, 2017 In this paper we consider two kinds of noncommutative space-time commutation relations in two-dimensional configuration space and feature the absolute value of the minimal length from the generalized uncertainty relations associated to the particular ...
Avossevou, Gabriel Y +2 more
core +1 more source
Mapping and Innovating Business Models of Food Hubs in Short Food Supply Chains
Corporate Social Responsibility and Environmental Management, EarlyView.ABSTRACT Short food supply chains (SFSCs) offer sustainable alternatives to conventional food systems (CFSCs) but require effective intermediaries to scale and remain competitive. Food Hubs (FHs) serve this role by enhancing SFSC efficiency and market reach while upholding community‐oriented values. However, limited research has examined how FHs design
Marije Renkema‐Singh +2 more
wiley +1 more source
Landscape of Research on Accounting Scope 3 Emissions: A Review of Methodologies and Data
Corporate Social Responsibility and Environmental Management, EarlyView.ABSTRACT Scope 3 emissions have been proposed as a critical metric for evaluating corporate carbon footprint, identifying emission sources, and developing mitigation solutions. Yet, widespread corporate reporting of Scope 3 emissions remains limited, highlighting a critical gap in both research and practice.
Zeyu Wang +3 more
wiley +1 more source
Applied Sciences, 2019 Since thyristor cannot turn off automatically, line commutated converter based high voltage direct current (LCC-HVDC) will inevitably fail to commutate and therefore auxiliary controls or voltage control devices are needed to improve the commutation ...
Jiangbo Sha +3 more
doaj +1 more source
Braided Statistics from Abelian Twist in $\kappa$-Minkowski Spacetime
, 2009 $\kappa$-deformed commutation relation between quantum operators is constructed via abelian twist deformation in $\kappa$-Minkowski spacetime. The commutation relation is written in terms of universal $R$-matrix satisfying braided statistics.
CHAIHO RIM +4 more
core +1 more source
Corporate Social Responsibility and Environmental Management, EarlyView.ABSTRACT This research analyses the carbon footprint of the NGO Madre Coraje, using an integrated methodology that combines the calculator provided by REAS (Red de Economía Alternativa y Solidaria) Navarra and the Life Cycle Assessment (LCA). It quantifies emissions across the three scopes of the Greenhouse Gas Protocol, evaluating both direct and ...
José Fernandez‐Serrano +2 more
wiley +1 more source