Results 101 to 110 of about 7,456 (263)

Adaptive neural network method for multidimensional integration in arbitrary subdomains

Discrete and Continuous Models and Applied Computational Science
Multidimensional integration is a fundamental problem in computational mathematics with numerous applications in physics, engineering, and data science.
Margarita R. Shcherbak, Laysan R. Abdullina, Soltan I. Salpagarov, Vyacheslav M. Fedorishchev   +3 more
doaj   +1 more source

Static and Dynamic Analysis of Porous Gas Bearings Lubricated With Air, Refrigerant R‐134a, Helium and Hydrogen

Lubrication Science, EarlyView.
ABSTRACT Porous gas bearings (PGBs) enable high‐speed, oil‐free operation in modern rotating machinery. This study develops a coupled thermo‐hydrodynamic (THD) model for a cylindrical porous gas bearing lubricated with four working fluids—air, R‐134a, helium and hydrogen.
S. Bechiri, B. Bouchehit, B. Bou‐Saïd
wiley   +1 more source

Discordance of Dopaminergic Dysfunction and Subcortical Atrophy by α‐Synuclein Status in Sporadic and Genetic Parkinson's Disease

Movement Disorders, EarlyView.
Abstract Background Parkinson's disease (PD) is characterized by predominantly neuronal α‐synuclein pathology and dopaminergic dysfunction. Cerebrospinal fluid (CSF) seeding amplification assays (SAA) detect α‐synuclein aggregates in vivo, but not all patients with PD have a positive SAA.
Michael Tran Duong, Sandhitsu R. Das, Pulkit Khandelwal, Joaquin A. Vizcarra, Yue Li, Long Xie, Paul A. Yushkevich, Leslie M. Shaw, Jacob G. Dubroff, Parkinson's Progression Markers Initiative, Kenneth Marek, Shirley Lasch, Caroline Tanner, Tanya Simuni, Christopher Coffey, Karl Kieburtz, Renee Wilson, Brit Mollenhauer, Site Investigator, Douglas Galasko, Site Investigator, Tatiana Foroud, Lana Chahine, Andrew Siderowf, John Seibyl, Arthur Toga, Andrew Singleton, Daniel Weintraub, John Trojanowski, Leslie Shaw, Duygu Tosun‐Turgut, Kathleen Poston, Susan Bressman, Kalpana M. Merchant, Werner Poewe, Todd Sherer, Sohini Chowdhury, Mark Frasier, Catherine Kopil, Anna Naito, Vanessa Arnedo, Ray Dorsey, Cynthia Casaceli, Imaging Core, Nichole Daegele, Justin Albani1 Statistics Core, Chelsea Caspell‐Garcia, Liz Uribe, Eric Foster, Jeff Long, Nick Seedorff, Karen Crawford, Danielle Elise Smith, Paola Casalin, Giulia Malferrari, Cheryl Halter, David Russell, Stewart Factor, Penelope Hogarth, David Standaert, Amy Amara, Robert Hauser, Joseph Jankovic, Matthew Stern, Shu‐Ching Hu, Gretchen Todd, Rachel Saunders‐Pullman, Irene Richard, Marie H Saint‐Hilaire, Klaus Seppi, Holly Shill, Hubert Fernandez, Claudia Trenkwalder, Wolfgang Oertel, Daniela Berg, Kathrin Brockman, Isabel Wurster, Liana Rosenthal, Yen Tai, Nicola Pavese, Paolo Barone, Stuart Isaacson, Alberto Espay, Dominic Rowe, Melanie Brandabur, James Tetrud, Grace Liang, Alex Iranzo, Eduardo Tolosa, Karen Marder, Maria de Arriba Sanchez, Leonidis Stefanis, Maria Jose Marti, Javier Ruiz Martinez, Jean‐Christophe Corvol, Jan O Assly, Salima Brillman, Nir Giladi, Debra Smejdir, Julia Pelaggi, Farah Kausar, Linda Rees, Barbara Sommerfield, Madeline Cresswell, Courtney Blair, Karen Williams, Grace Zimmerman, Stephanie Guthrie, Ashlee Rawlins, Leigh Donharl, Christine Hunter, Baochan Tran, Abigail Darin, Carly Linder, Marne Baca, Heli Venkov, Cathi‐Ann Thomas, Raymond James, Beatrice Heim, Paul Deritis, Fabienne Sprenger, Deborah Raymond, Diana Willeke, Zoran Obradov, Jennifer Mule, Nancy Monahan, Katharina Gauss, Deborah Fontaine, Daniel Szpak, Arita McCoy, Becky Dunlop, Laura Marie Payne, Susan Ainscough, Lisbeth Carvajal, Rebecca Silverstein, Kristy Espay, Madelaine Ranola, Elisabet Mondragon Rezola, Helen Mejia Santana, Maria Stamelou, Alicia Garrido, Stephanie Carvalho, Anne Grete Kristiansen, Krista Specketer, Anat Mirlman, Maurizio Facheris, Holly Soares, Mark A. Mintun, Jesse Cedarbaum, Peggy Taylor, Danna Jennings, Lawrence Slieker, Brian McBride, Colin Watson, Etienne Montagut, Zulfiqar Haider Sheikh, Baris Bingol, Remi Forrat, Pablo Sardi, Tanya Fischer, Alastair D. Reith, Jan Egebjerg, Lone Frydelund Larsen, Nathalie Breysse, Didier Meulien, Barbara Saba, Vera Kiyasova, Chris Min, Thomas McAvoy, Robert Umek, Philip Iredale, Jeremy Edgerton, Susan De Santi, Christian Czech, Frank Boess, Jeffrey Sevigny, Thomas Kremer, Igor Grachev, Kaplana Merchant, Andreja Avbersek, Pierandrea Muglia, Alexandra Stewart, Rene Prashad, Johannes Taucher, Andrew Siderowf, David A. Wolk, Ilya M. Nasrallah   +186 more
wiley   +1 more source

Sidelobe Reduction for Window Functions by Multiplication of Cosine-Sum Windows

IEEE Access
Various studies have considered the reduction in sidelobes when using window functions, and further sidelobe reduction using existing design results is an important perspective.
Tomoya Yamaoka, Tadashi Oshima
doaj   +1 more source

A highly accurate numerical method for solving boundary value problem of generalized Bagley‐Torvik equation

Mathematical Methods in the Applied Sciences, EarlyView.
A highly accurate numerical method is given for the solution of boundary value problem of generalized Bagley‐Torvik (BgT) equation with Caputo derivative of order 0<β<2$$ 0<\beta <2 $$ by using the collocation‐shooting method (C‐SM). The collocation solution is constructed in the space Sm+1(1)$$ {S}_{m+1}^{(1)} $$ as piecewise polynomials of degree at ...
Suzan Cival Buranay, Mtema James Chin, Nazim I. Mahmudov   +2 more
wiley   +1 more source

Chebyshev Pseudospectral Method for Fractional Differential Equations in Non-Overlapping Partitioned Domains

AppliedMath
Fractional differential operators are inherently non-local, so global methods, such as spectral methods, are well suited for handling these non-local operators. Long-time integration of differential models such as chaotic dynamical systems poses specific
Shina Daniel Oloniiju, Nancy Mukwevho, Yusuf Olatunji Tijani, Olumuyiwa Otegbeye   +3 more
doaj   +1 more source

The Combined Effects of Variable Viscosity and Thermal Conductivity of An Unsteady Casson Fluid Flow Along a Vertical Porous Channel With Convective Cooling Walls, Using the Bivariate Spectral Local Linearization Method

Mathematical Methods in the Applied Sciences, EarlyView.
ABSTRACT This study examines the combined impact of different thermal conductivity and viscosity on unsteady non‐Newtonian Casson fluid flow of incompressible, electrical conductivity in a porous vertical channel with convective cooling walls, uniform magnetic field, and constant pressure gradient.
A. S. Adeyemo, Precious Sibanda, S. P. Goqo   +2 more
wiley   +1 more source

On sums of Kloosterman and Gauss sums

Transactions of the American Mathematical Society, 2019
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +1 more source

Analytical and Numerical Soliton Solutions of the Shynaray II‐A Equation Using the G′G,1G$$ \left(\frac{G^{\prime }}{G},\frac{1}{G}\right) $$‐Expansion Method and Regularization‐Based Neural Networks

Mathematical Methods in the Applied Sciences, EarlyView.
ABSTRACT Nonlinear differential equations play a fundamental role in modeling complex physical phenomena across solid‐state physics, hydrodynamics, plasma physics, nonlinear optics, and biological systems. This study focuses on the Shynaray II‐A equation, a relatively less‐explored parametric nonlinear partial differential equation that describes ...
Aamir Farooq, H. W. A. Riaz, Sadique Rehman, M. Mamun Miah, Wen Xiu Ma   +4 more
wiley   +1 more source

Finite Biorthogonal Polynomials Suggested by the Finite Orthogonal Polynomials Mnp,qx$$ {M}_n^{\left(p,q\right)}(x) $$

Mathematical Methods in the Applied Sciences, EarlyView.
ABSTRACT Constructing a biorthogonal structure from scratch, that is, defining a biorthogonal pair is quite tough. Because here the orthogonality must be established between two different sets. There are four known univariate biorthogonal polynomial sets, suggested by Laguerre, Jacobi, Hermite and Szegő‐Hermite polynomials, in the literature.
Esra Güldoğan Lekesiz
wiley   +1 more source