Results 41 to 50 of about 194 (124)
A real-valued block conjugate gradient type method for solving complex symmetric linear systems with multiple right-hand sides [PDF]
, 2000 summary:We consider solving complex symmetric linear systems with multiple right-hand sides. We assume that the coefficient matrix has indefinite real part and positive definite imaginary part.
Futamura, Yasunori +8 more
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Beyond the Hodge theorem: Curl and asymmetric pseudodifferential projections
Journal of the London Mathematical Society, Volume 113, Issue 1, January 2026.Abstract We develop a new approach to the study of spectral asymmetry. Working with the operator curl:=∗d$\operatorname{curl}:={*}\mathrm{d}$ on a connected oriented closed Riemannian 3‐manifold, we construct, by means of microlocal analysis, the asymmetry operator — a scalar pseudodifferential operator of order −3$-3$.
Matteo Capoferri, Dmitri Vassiliev
wiley +1 more source
Applied Computational Intelligence and Soft Computing, Volume 2026, Issue 1, 2026.Clinical data often exhibit heterogenous feature distributions, nonstationary physiological dynamics, and class imbalance, which collectively increase the complexity of accurate prediction. Despite the popularity of support vector machines (SVMs) in clinical data classification, the traditional kernels have globally fixed hyperparameters and may fail ...
Pijush Kanti Roy Partho +3 more
wiley +1 more source
Design and Performance Analysis of BCH Codes Construction Over Eisenstein Local Rings Zpsω
Journal of Mathematics, Volume 2026, Issue 1, 2026.A systematic study of BCH codes construction over Eisenstein local rings Zpsω for p ≡ 2(mod3), giving novel structural information to the coding theory, is known as a systematic code study. The rate of code learning, the error‐adjusting program’s potential, and the number of words in the code words are the key factors in determining how well the codes ...
Muhammad Sajjad +2 more
wiley +1 more source
International Journal of Mechanical System Dynamics, Volume 5, Issue 4, Page 579-595, December 2025.ABSTRACT This paper analyzes the dynamic behavior of a two‐degree‐of‐freedom system subjected to electromagnetic interaction modelled through a skew‐symmetric coupling matrix. The system comprises two mechanically independent oscillators coupled by velocity‐dependent electromagnetic forces.
Fernando Cortés +4 more
wiley +1 more source
Perturbative and non-perturbative studies in low dimensional quantum field theory [PDF]
, 2007 A relevant perturbation of a conformal field theory (CFT) on the half-plane, by both a bulk and boundary operator, often leads to a massive theory with a particle description in terms of the bulk S-matrix and boundary reflection factor R.
Lishman, Anna Rebecca
core
The Krylov Subspace Methods for the Computation of Matrix Exponentials [PDF]
, 2015 The problem of computing the matrix exponential etA arises in many theoretical and practical problems. Many methods have been developed to accurately and efficiently compute this matrix function or its product with a vector, i.e., etAv.
Wang, Hao
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Numerical Linear Algebra with Applications, Volume 32, Issue 6, December 2025.ABSTRACT In this work, we propose a novel preconditioned minimal residual method for a class of real, nonsymmetric multilevel block Toeplitz systems, which generalizes an ideal preconditioner established in [J. Pestana. Preconditioners for symmetrized Toeplitz and multilevel Toeplitz matrices. SIAM Journal on Matrix Analysis and Applications, 40(3):870–
Grigorios Tachyridis, Sean Y. Hon
wiley +1 more source
, 2020 06.03.2018 tarihli ve 30352 sayılı Resmi Gazetede yayımlanan “Yükseköğretim Kanunu İle Bazı Kanun Ve Kanun Hükmünde Kararnamelerde Değişiklik Yapılması Hakkında Kanun” ile 18.06.2018 tarihli “Lisansüstü Tezlerin Elektronik Ortamda Toplanması ...
Sakarya Üniversitesi Sakarya Üniversitesi, Fen Bilimleri Enstitüsü, Matematik Anabilim Dalı +2 more
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, 2005 A systematic development is made of the simultaneous reduction of pairs of quadratic forms over the reals, one of which is skew-symmetric and the other is either symmetric or skew-symmetric.
P. Lancaster, L. Rodman
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