Results 11 to 20 of about 872,020 (326)

Task-independent metrics of computational hardness predict human cognitive performance

open access: yesScientific Reports, 2022
The survival of human organisms depends on our ability to solve complex tasks in the face of limited cognitive resources. However, little is known about the factors that drive the complexity of those tasks.
Juan Pablo Franco   +4 more
doaj   +2 more sources

Nonstabilizerness determining the hardness of direct fidelity estimation [PDF]

open access: yesPhysical Review A, 2022
In this work, we show how the resource theory of nonstabilizerness quantifies the hardness of direct fidelity estimation protocols. In particular, the resources needed for a direct fidelity estimation conducted on generic states, such as Pauli fidelity ...
L. Leone   +2 more
semanticscholar   +3 more sources

Comparative study of different meloxicam generic products with the brand product

open access: yesAl-Mustansiriyah Journal of Pharmaceutical Sciences, 2019
This study aims to evaluate different products of meloxicam Table; Five meloxicam immediate-release generic products (15 mg Tables) were compared with the innovator, reference product, (Mobic®, Boehringer) to find the interchangeable product with the ...
Myasar Al-kotaji
doaj   +3 more sources

Quality Assessment of Brands and Generic in Atorvastatin Tablets Available in Iraq-thi-Qar

open access: yesJournal of Medical and Health Studies, 2023
Hypolipidemic agents have been shown to be helpful in the primary and secondary prevention of cardiovascular disease. Statins are frequently administered to treat hyperlipidemia.
Hussein k. Alkufi   +5 more
semanticscholar   +2 more sources

On “Hard Stars” in General Relativity [PDF]

open access: yesAnnales Henri Poincaré, 2019
We study spherically symmetric solutions to the Einstein-Euler equations which model an idealized relativistic neutron star surrounded by vacuum. These are barotropic fluids with a free boundary, governed by an equation of state which sets the speed of sound equal to the speed of light.
Fournodavlos, G, Schlue, V
openaire   +4 more sources

Pharmaceutical quality of antimalarial drugs: quinine sulfate and Artemether/Lumefantrine tablets sold on Bukavu Market

open access: yesFuture Journal of Pharmaceutical Sciences, 2021
Background Generic antimalarial drugs sold in sub-Saharan Africa require tighter control as counterfeiting has grown more and more out of control. The study aimed to analyze the pharmaceutical quality of quinine sulfate (QS) and Artemether/Lumefantrine ...
Aladin Ombeni Mahano   +7 more
doaj   +1 more source

Generating all vertices of a polyhedron is hard [PDF]

open access: yesProceedings of the seventeenth annual ACM-SIAM symposium on Discrete algorithm - SODA '06, 2006
Consider a directed edge-weighted graph \(G\) where the arcs are weighted by real values. A cycle is negative if the sum of its edge weights is negative. The number of negative cycles may be exponential in the size of the input, i.e. the size of \(G\) and the weights.
Leonid Khachiyan   +4 more
openaire   +4 more sources

Quality assessment of different brands of atorvastatin tablets available in Riyadh, Saudi Arabia

open access: yesBMC Pharmacology and Toxicology, 2022
Background Hypolipidemic agents have been shown to be helpful in the primary and secondary prevention of cardiovascular disease. Most often, statins are prescribed to treat hyperlipidemia.
Ali AlMuhsin   +6 more
doaj   +1 more source

Semi-discrete optimal transport: hardness, regularization and numerical solution [PDF]

open access: yesMathematical programming, 2021
Semi-discrete optimal transport problems, which evaluate the Wasserstein distance between a discrete and a generic (possibly non-discrete) probability measure, are believed to be computationally hard.
Bahar Taşkesen   +2 more
semanticscholar   +1 more source

Searchable Attribute-Based Signcryption Scheme for Electronic Personal Health Record

open access: yesIEEE Access, 2018
Considering the scenario of an electronic personal health record system, we put forward a new cryptographic concept called searchable attribute-based signcryption, which can support fine-grained access control, data privacy, data authenticity, and data ...
Zhenhua Liu, Yaohui Liu, Yaqing Fan
doaj   +1 more source

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