Results 171 to 180 of about 2,839 (212)

The impact of vehicle lane-changing on the speed and delay of vehicles in the target lane based on the GMM-HMM. [PDF]

Sci Rep
Yang Q, Li P, Lv D, Hu G, Wang X.
europepmc   +1 more source

Transcranial direct current stimulation suggests a causal role of the medial prefrontal cortex in learning social hierarchy. [PDF]

Commun Biol
Qu C, Huang Y, Philippe R, Cai S, Derrington E, Moisan F, Shi M, Dreher JC.   +7 more
europepmc   +1 more source

Apraxia Patterns for the Differentiation between Alzheimer's Disease and Frontotemporal Dementia Variants. [PDF]

Medicina (Kaunas)
Papadopoulos G, Parissis D, Gotzamani-Psarrakou A, Ioannidis P.   +3 more
europepmc   +1 more source

Tracing Human Diversity in South America's Southern Cone: Linguistic, Morphometric, and Genetic Perspectives. [PDF]

Am J Biol Anthropol
Menéndez LP, Urban M.
europepmc   +1 more source

Exploring the predictive value of carotid Doppler ultrasound and clinical features for spinal anesthesia-induced hypotension: a prospective observational study. [PDF]

Perioper Med (Lond)
de Boer EC, van Houte J, Fernandes CD, Bakkes T, Muehlsteff J, Bouwman RA, Mischi M.   +6 more
europepmc   +1 more source

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Transition-Metal-Catalyzed Reductive Amination Employing Hydrogen

Chemical Reviews, 2020
The reductive amination, the reaction of an aldehyde or a ketone with ammonia or an amine in the presence of a reducing agent and often a catalyst, is an important amine synthesis and has been intensively investigated in academia and industry for a century.
Torsten Irrgang, Rhett Kempe
openaire   +2 more sources

Parallel transitive closure and transitive reduction algorithms

Proceedings. PARBASE-90: International Conference on Databases, Parallel Architectures, and Their Applications, 2002
The authors provide distinct algorithms for computing transitive closure and transitive reduction with sequential time complexities of O( Sigma e/sub i/) and O(n/sup 2/+ Sigma e/sub i/), respectively, and parallel time complexities of O(e/sub i/) And O(n+e/sub i/), respectively.
P. Chang, L.J. Henschen
openaire   +1 more source

The Transitive Reduction of a Directed Graph

SIAM Journal on Computing, 1972
We consider economical representations for the path information in a directed graph. A directed graph $G^t $ is said to be a transitive reduction of the directed graph G provided that (i) $G^t $ has a directed path from vertex u to vertex v if and only if G has a directed path from vertex u to vertex v, and (ii) there is no graph with fewer arcs than ...
Aho, A. V., Garey, M. R., Ullman, J. D.
openaire   +2 more sources