Results 41 to 50 of about 90,056 (287)

Approximate Nullspace Iterations for KKT Systems [PDF]

SIAM Journal on Matrix Analysis and Applications, 2010
We investigate a linear iteration scheme for solving Karush-Kuhn-Tucker systems arising from optimization problems with linear equality constraints. The iterations are motivated by the simplicity of the proposed combination of iterations for the forward and adjoint systems that need to be solved and for which efficient solvers may already be available.
Kazufumi Ito, Karl Kunisch, Volker Schulz 0001, Ilia Gherman   +3 more
openaire   +1 more source

Uniformly convergent schemes for singularly perturbed differential equations based on collocation methods

International Journal of Mathematics and Mathematical Sciences, 2000
It is well known that a polynomial-based approximation scheme applied to a singularly perturbed equation is not uniformly convergent over the geometric domain of study.
Dialla Konate
doaj   +1 more source

Algebraic Structures and Stochastic Differential Equations driven by Levy processes

, 2018
We construct an efficient integrator for stochastic differential systems driven by Levy processes. An efficient integrator is a strong approximation that is more accurate than the corresponding stochastic Taylor approximation, to all orders and ...
Curry, Charles, Ebrahimi-Fard, Kurusch, Malham, Simon J. A., Wiese, Anke   +3 more
core   +2 more sources

Optimal energy-efficiency beamforming design for SWIPT-enabled sink in sensor cloud based on deep learning

Tongxin xuebao, 2021
To solve the problems of high complexity and poor real-time performance caused by traditional wireless resource management based on optimization methods, the energy efficiency maximization problem of sink node and its mathematical model were established ...
Zhe WANG, Taoshen LI, Lina GE, Guifen ZHANG, Min WU   +4 more
doaj   +2 more sources

Iterated perturbation theory for the attractive Holstein and Hubbard models

, 1994
A strictly truncated (weak-coupling) perturbation theory is applied to the attractive Holstein and Hubbard models in infinite dimensions. These results are qualified by comparison with essentially exact Monte Carlo results.
A. B. Migdal, A. Georges, A. Georges, A. Georges, A. Martín Rodero, B. Horvatić, B. Horvatić, B. Horvatić, B. Horvatić, B. Horvatić, B. Menge, C. S. Owen, D. S. Hirashima, E. Müller Hartmann, E. Müller Hartmann, F. J. Ohkawa, F. J. Ohkawa, G. Baym, G. Baym, G. M. Eliashberg, H. L. Neal, H. L. Neal, H. L. Neal, H. S. Wu, H. Schweitzer, J. A. White, J. E. Hirsch, J. Ferrer, J. Hubbard, J. K. Freericks, J. K. Freericks, J. K. Freericks, J. K. Freericks, J. K. Freericks, J. K. Freericks, J. K. Freericks, J. P. Carbotte, K. Yamada, K. Yamada, K. Yamada, K. Yamada, K. Yosida, K. Yosida, M. J. Rozenberg, M. Jarrell, M. Jarrell, M. Jarrell, Mark Jarrell, N. E. Bickers, P. B. Allen, P. B. Allen, R. M. Noack, S. Ciuchi, T. Holstein, Th. Pruschke, U. Brandt, V. Janiš, V. Janiš, V. Janiš, V. Janiš, V. Zlatić, V. Zlatić, V. Zlatić, W. Metzner, W. Metzner, Y. M. Li, Y. M. Li   +66 more
core   +1 more source

Pediatric Oncology Nursing Competencies in Latin America and the Caribbean: A Scoping Review to Inform Practice, Education, and Research

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Nurses are central to cancer care for children and adolescents, yet no comprehensive synthesis has defined essential core competencies for pediatric oncology nursing (PON) practice internationally, particularly in Latin America and the Caribbean (LAC).
Luís Carlos Lopes‐Júnior, Edmara Bazoni Soares Maia, Soad Fuentes‐Alabí, Courtney E. Sullivan, Monnie Abraham, Mauricio Maza, Liliana Vásquez Ponce, Regina Aparecida Garcia Lima   +7 more
wiley   +1 more source

Approximation by Symmetrized and Perturbed Hyperbolic Tangent Activated Convolution-Type Operators

Mathematics
In this article, for the first time, the univariate symmetrized and perturbed hyperbolic tangent activated convolution-type operators of three kinds are introduced.
George A. Anastassiou
doaj   +1 more source

An iterative algorithm for approximating roots of integers

CoRR, 2021
We explore an algorithm for approximating roots of integers, discuss its motivation and derivation, and analyze its convergence rates with varying parameters and inputs. We also perform comparisons with established methods for approximating square roots and other rational powers.
openaire   +2 more sources

‘They Need to Hear You Say It’: Healthcare Professionals’ Perspectives on Barriers and Enablers to End‐of‐Life Discussions With Adolescents and Young Adults With Cancer

Pediatric Blood &Cancer, EarlyView.
ABSTRACT End‐of‐life conversations with adolescents and young adults (AYAs) with cancer rarely occur without the guidance of healthcare professionals. As a part of the ‘Difficult Discussions’ study, focused on palliative care and advance care planning discussions with AYAs with cancer, we investigated the factors that healthcare professionals identify ...
Justine Lee, Holly Evans, Claire E. Wakefield, Antoinette Anazodo, Richard J. Cohn, Brittany C. McGill, Elizabeth A. Lobb, Lori Wiener, Madeleine L. Juhrmann, Ursula M. Sansom‐Daly   +9 more
wiley   +1 more source

Revisiting semileptonic B meson decays at next-to-next-to-leading order

Journal of High Energy Physics, 2023
We compute next-to-next-to-leading order corrections to the semileptonic decay rate of B mesons for arbitrary values of the final-state quark mass. For the contribution with one massive quark in the final state, we extend the literature result and obtain
Manuel Egner, Matteo Fael, Kay Schönwald, Matthias Steinhauser   +3 more
doaj   +1 more source