Results 51 to 60 of about 4,382,513 (303)

Numerical solution for fractional Neumann series equations

open access: yesAin Shams Engineering Journal
This study focuses on fractional differential equations defined by the Neumann series operator. The inverse of the fractional integral operator (1−α)I0+αIα is associated with a MABC operator.
Dumitru Baleanu, Babak Shiri
doaj   +1 more source

Quotient-Comprehension Chains [PDF]

open access: yes, 2015
Quotients and comprehension are fundamental mathematical constructions that can be described via adjunctions in categorical logic. This paper reveals that quotients and comprehension are related to measurement, not only in quantum logic, but also in ...
Cho, K.   +4 more
core   +3 more sources

Global estimates for kernels of Neumann series and Green's functions

open access: yes, 2014
We obtain global pointwise estimates for kernels of the resolvents $(I-T)^{-1}$ of integral operators \[Tf(x) = \int_{\Omega} K(x, y) f(y) d \omega(y)\] on $L^2(\Omega, \omega)$ under the assumptions that $||T||_{L^2(\omega) \rightarrow L^2 (\omega)} 0$.
Frazier, Michael   +2 more
core   +1 more source

Measurement Error Mitigation via Truncated Neumann Series

open access: yes, 2021
Measurements on near-term quantum processors are inevitably subject to hardware imperfections that lead to readout errors. Mitigation of such unavoidable errors is crucial to better explore and extend the power of near-term quantum hardware. In this work, we propose a method to mitigate measurement errors in computing quantum expectation values using ...
Wang, Kun, Chen, Yu-Ao, Wang, Xin
openaire   +2 more sources

Solving the Helmholtz Equation for the Neumann Boundary Condition for the Pseudosphere by the Galerkin Method [PDF]

open access: yes, 2011
In this paper, the Helmholtz equation for the exterior Neumann boundary condition for the pseudosphere in three dimensions using the global Galerkin method is studied.
Pleskunas, Jane
core   +1 more source

A Robust Iterative Unfolding Method for Signal Processing [PDF]

open access: yes, 2006
There is a well-known series expansion (Neumann series) in functional analysis for perturbative inversion of specific operators on Banach spaces. However, operators that appear in signal processing (e.g.
András László   +9 more
core   +1 more source

A methionine‐lined active site governs carbocation stabilization and product specificity in a bacterial terpene synthase

open access: yesFEBS Letters, EarlyView.
This study reveals a unique active site enriched in methionine residues and demonstrates that these residues play a critical role by stabilizing carbocation intermediates through novel sulfur–cation interactions. Structure‐guided mutagenesis further revealed variants with significantly altered product profiles, enhancing pseudopterosin formation. These
Marion Ringel   +13 more
wiley   +1 more source

On the efficiency of the maximum cross section method in radiation transport theory [PDF]

open access: yesКомпьютерные исследования и моделирование, 2013
We consider two versions of the maximum cross section method for the solutions of the stationary equation of radiative transfer in dimensional inhomogeneous medium.
Igor Vasilievich Prokhorov   +1 more
doaj   +1 more source

Finite automata and algebraic extensions of function fields [PDF]

open access: yes, 2005
We give an automata-theoretic description of the algebraic closure of the rational function field F_q(t) over a finite field, generalizing a result of Christol.
Kedlaya, Kiran S.
core   +3 more sources

Meningovascular Inflammation in Cerebral Amyloid Angiopathy‐Related Cortical Superficial Siderosis

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT The role of inflammation in cortical superficial siderosis (cSS), a marker of cerebral amyloid angiopathy (CAA) linked to high hemorrhage risk, is unclear. We examined 15 patients with cSS using 3 T post‐contrast vessel wall MRI (VWI) and CSF analysis.
Philipp Arndt   +8 more
wiley   +1 more source

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