Results 41 to 50 of about 419,029 (206)

Light quark masses and pseudoscalar decay constants from Nf=2 twisted mass QCD [PDF]

open access: yes, 2007
We present the results of the lattice QCD calculation of the average up-down and strange quark masses and of the light meson pseudoscalar decay constants, recently performed with Nf=2 dynamical fermions by the ETM Collaboration. The simulation is carried
Lubicz, Vittorio   +2 more
core   +2 more sources

SafeWay: Improving the safety of autonomous waypoint detection in maritime using transformer and interpolation

open access: yesMaritime Transport Research, 2023
Detecting waypoints where vessels change their behavior (i.e., maneuvers, speed changes, etc.) is essential for optimizing vessel trajectories to increase the efficiency and safety of sailing. However, accurately detecting waypoints is challenging due to
Dogan Altan   +2 more
doaj   +1 more source

Predictive Machine Learning of Objective Boundaries for Solving COPs

open access: yesAI, 2021
Solving Constraint Optimization Problems (COPs) can be dramatically simplified by boundary estimation, that is providing tight boundaries of cost functions.
Helge Spieker, Arnaud Gotlieb
doaj   +1 more source

Chiral properties of the constituent quark model [PDF]

open access: yes, 2006
We show that, in a model based exclusively on constituent-quark degrees of freedom interacting via a potential, the full axial current is conserved if the spectrum of \bar QQ states contains a massless pseudoscalar.
Lucha, Wolfgang   +2 more
core   +3 more sources

Resource-Efficient Use of Modern Processor Architectures For Numerically Solving Cardiac Ionic Cell Models

open access: yesFrontiers in Physiology, 2022
A central component in simulating cardiac electrophysiology is the numerical solution of nonlinear ordinary differential equations, also called cardiac ionic cell models, that describe cross-cell-membrane ion transport. Biophysically detailed cell models
Kristian Gregorius Hustad   +2 more
doaj   +1 more source

T2‐Weighted T1 Mapping and Automated Segmentation of CSF: Assessment of Solute Gradients in the Healthy Brain

open access: yesJournal of Magnetic Resonance Imaging, EarlyView.
ABSTRACT Background Cerebrospinal fluid (CSF) serves as a medium for nutrient delivery and waste clearance. The T1 relaxation rate, R1, can be used to measure the concentration of intrinsic solutes and extrinsic contrast agents. Purpose To implement a method for R1 mapping and segmentation of CSF and to use this method to explore how R1 of CSF relates ...
Tryggve Holck Storås   +9 more
wiley   +1 more source

Interpolation-Based Inference of Vessel Trajectory Waypoints from Sparse AIS Data in Maritime

open access: yesJournal of Marine Science and Engineering, 2023
The availability of automatic identification system (AIS) data for tracking vessels has paved the way for improvements in maritime safety and efficiency.
Bakht Zaman   +2 more
doaj   +1 more source

Introduction to topological quantum computation with non-Abelian anyons

open access: yes, 2018
Topological quantum computers promise a fault tolerant means to perform quantum computation. Topological quantum computers use particles with exotic exchange statistics called non-Abelian anyons, and the simplest anyon model which allows for universal ...
Field, Bernard, Simula, Tapio
core   +1 more source

Experimental moments of the nucleon structure function F2 [PDF]

open access: yes, 2006
Experimental data on the F2 structure functions of the proton and deuteron, including recent results from CLAS at Jefferson Lab, have been used to construct their n1 approaching 0, although the precision of the data did not allow to exclude the 1/5 value.
Detmold   +11 more
core   +2 more sources

Determining properties of human‐induced pluripotent stem cell‐derived cardiomyocytes using spatially resolved electromechanical metrics

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend In this study, we use human‐induced pluripotent stem cell‐derived cardiomyocyte (hiPSC‐CM) experiments and computational modelling to identify the mechanism of action of drug compounds. In the hiPSC‐CM experiments, optical measurements of cell collections are recorded in the baseline case and after drug exposure.
Karoline Horgmo Jæger   +4 more
wiley   +1 more source

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