Results 111 to 120 of about 70,449 (343)

Regularity in generalized Morrey spaces of solutions to higher order nondivergence elliptic equations with VMO coefficients

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2019
We study the boundedness of the sublinear integral operators generated by Calderón–Zygmund operator and their commutators with $\mathit{BMO}$ functions on generalized Morrey spaces.
Tahir Gadjiev   +2 more
doaj   +1 more source

Fully Quantum Perturbative Description of Correlated Stokes–Anti‐Stokes Scattering

open access: yesphysica status solidi (b), EarlyView.
The generation of Stokes‐anti‐Stokes (SaS) photon pairs with quantum correlations, like entanglement, has been developing recently, but a proper theoretical ground was missing. A fully quantum perturbative theory is provided to describe the four‐wave mixing contribution to the correlated SaS scattering, in which both matter and electromagnetic field ...
Raul Corrêa   +3 more
wiley   +1 more source

Ideals and congruences in $L$-algebras and pre-$L$-algebras [PDF]

open access: yesCategories and General Algebraic Structures with Applications
We link the recent theory of $L$-algebras to previous notions of Universal Algebra and Categorical Algebra concerning subtractive varieties,  commutators, multiplicative lattices, and their spectra.
Marino Gran   +2 more
doaj   +1 more source

Unveiling Hidden Features of Strongly Correlated Quantum Systems Through a Complex‐Network Analysis

open access: yesAdvanced Quantum Technologies, EarlyView.
By applying complex network theory, we report a fundamental and previously unobserved phenomenon in the finite‐size Kitaev model: a singular point at which uniform, nonzero entanglement emerges among all fermion pairs, forming a complete entanglement network.
Guillem Llodrà   +2 more
wiley   +1 more source

Lieb-Robinson bounds for commutator-bounded operators

open access: yes, 2010
We generalize the Lieb-Robinson theorem to systems whose Hamiltonian is the sum of local operators whose commutators are bounded.Comment: 5 pages, minor editorial ...
Hamma, Alioscia   +3 more
core   +1 more source

Lieb-Robinson Bounds for Multi-Commutators and Applications to Response Theory [PDF]

open access: yes, 2016
We generalize to multi-commutators the usual Lieb-Robinson bounds for commutators. In the spirit of constructive QFT, this is done so as to allow the use of combinatorics of minimally connected graphs (tree expansions) in order to estimate time-dependent
J. Bru, W. Pedra
semanticscholar   +1 more source

Space‐Efficient Logical Qubit Architecture with a Bus for Magic State Consumption

open access: yesAdvanced Quantum Technologies, EarlyView.
This paper proposes a logical qubit architecture, considering the consumption of magic states. By constructing the patch to the magic state using the repetition code and data qubits using the surface code, the proposed architecture minimizes the number of qubits, referred to as the space cost.
Yujin Kang, Youshin Chung, Jun Heo
wiley   +1 more source

Bloom-type two-weight inequalities for commutators of maximal functions

open access: yesAnalysis and Geometry in Metric Spaces
We study Bloom-type two-weight inequalities for commutators of the Hardy-Littlewood maximal function and sharp maximal function. Some necessary and sufficient conditions are given to characterize the two-weight inequalities for such commutators.
Zhang Pu, Fan Di
doaj   +1 more source

Multiterminal High‐Voltage Direct Current Projects: A Comprehensive Assessment and Future Prospects

open access: yesHigh Voltage, EarlyView.
ABSTRACT Multiterminal high‐voltage direct current (MT‐HVDC) systems are an important part of modern power systems, addressing the need for bulk power delivery and efficient renewable energy integration. This paper provides a comprehensive overview of recent advances in MT‐HVDC technology, including launched projects and ongoing initiatives.
Mohammad Hossein Mousavi   +3 more
wiley   +1 more source

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