Results 91 to 100 of about 2,493 (230)

Toward an Efficient Shifted Cholesky QR for Applications in Model Order Reduction Using pyMOR

open access: yesProceedings in Applied Mathematics and Mechanics, Volume 26, Issue 2, June 2026.
ABSTRACT Many model order reduction (MOR) methods rely on the computation of an orthonormal basis of a subspace onto which the large full order model is projected. Numerically, this entails the orthogonalization of a set of vectors. The nature of the MOR process imposes several requirements for the orthogonalization process.
Maximilian Bindhak   +2 more
wiley   +1 more source

The HELP inequality on trees

open access: yes, 2008
We establish analogues of Hardy and Littlewood's integro-differential equation for Schrödinger-type operators on metric and discrete trees, based on a generalised strong limit-point property of the graph ...
Matthias Langer   +7 more
core   +1 more source

Link Prediction with Swarms of Chiral Quantum Walks

open access: yesAdvanced Quantum Technologies, Volume 9, Issue 6, June 2026.
Network reconstruction is a fundamental problem in network biology. We propose a link prediction method based on a swarm of chiral quantum walks. Random phase assignments in each walker's Hamiltonian generator produce complementary dynamics on the same topology.
Gaia Forghieri   +3 more
wiley   +1 more source

Distributed Optimization of Finite Condition Number for Laplacian Matrix in Multi‐Agent Systems

open access: yesInternational Journal of Robust and Nonlinear Control, Volume 36, Issue 9, Page 5030-5043, June 2026.
ABSTRACT This paper addresses the distributed optimization of the finite condition number of the Laplacian matrix in multi‐agent systems. The finite condition number, defined as the ratio of the largest to the second smallest eigenvalue of the Laplacian matrix, plays an important role in determining the convergence rate and performance of consensus ...
Yicheng Xu, Faryar Jabbari
wiley   +1 more source

Path-integral formulation of pseudo-Hermitian quantum mechanics and the role of the metric operator

open access: yes, 2017
We provide a careful analysis of the generating functional in the path-integral formulation of pseudo-Hermitian and in particular PT-symmetric quantum mechanics and show how the metric operator enters the expression for the generating ...
Mostafazadeh, Ali (Mustafazade)
core   +1 more source

Special Hermitian metrics

open access: yes
We study the stability at blow-up and deformations of a class of Hermitian metrics whose fundamental two-form $ω$ satisfies the condition $\partial \bar \partial ω^k=0$, for any $k$ between 1 and $n-1$ (where $n$ is the complex dimension of the manifold). We are motivated by the existence of compact complex manifold supporting such metrics.
openaire   +2 more sources

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