Results 51 to 60 of about 272,943 (346)

Generalized circuits. Elements of a mathematical theory

open access: yesJournal of Pure and Applied Algebra, 1983
The author develops a mathematical theory of generalized electrical circuits. He defines such a circuit as a system \(Ct=\{\Lambda;\quad G;\quad C(X),\quad X\in V(G)\},\) where \(\Lambda\) is an abelian group or vector space with an involutive automorphism, G is an oriented graph, and, for each vertex X of G, C(X) is a subset of \(\Lambda^ p\) (where p
openaire   +1 more source

The first principle of neural circuit and the general Circuit-Probability theory

open access: yes, 2018
A new neural circuit is proposed by considering the myelin as an inductor. This new neural circuit can explain why the lump-parameter circuit used in previous C-P theory is valid. Meanwhile, it provides a new explanation of the biological function of myelin for neural signal propagation.
Wang, Hao   +3 more
openaire   +2 more sources

Generalized magnetoelectronic circuit theory and spin relaxation at interfaces in magnetic multilayers

open access: yesPhysical Review B, 2020
Spin transport at metallic interfaces is an essential ingredient of various spintronic device concepts, such as giant magnetoresistance, spin-transfer torque, and spin pumping. Spin-orbit coupling plays an important role in many such devices. In particular, spin current is partially absorbed at the interface due to spin-orbit coupling.
G. G. Baez Flores   +3 more
openaire   +4 more sources

Visual Recovery Reflects Cortical MeCP2 Sensitivity in Rett Syndrome

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Rett syndrome (RTT) is a devastating neurodevelopmental disorder with developmental regression affecting motor, sensory, and cognitive functions. Sensory disruptions contribute to the complex behavioral and cognitive difficulties and represent an important target for therapeutic interventions.
Alex Joseph Simon   +12 more
wiley   +1 more source

On the Duality of Probing and Fault Attacks [PDF]

open access: yes, 2009
In this work we investigate the problem of simultaneous privacy and integrity protection in cryptographic circuits. We consider a white-box scenario with a powerful, yet limited attacker.
Gammel, Berndt M., Mangard, Stefan
core   +2 more sources

Non-deterministic random bit generator based on electronics noise

open access: yes, 2003
Non-deterministic random bits are needed in many scientific fields. Unfortunately today's computers are very limited in ability to produce them. We present here a method for extraction of non-deterministic random bits from random physics processes, and ...
Stipčević, Mario
core   +1 more source

Accelerated Progression of Gait Impairment in Parkinson's Disease and REM Sleep Without Atonia

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective People with Parkinson's disease (PD) and rapid eye movement (REM) sleep without atonia (RSWA) often have more severe gait disturbances compared to PD without RSWA. The association between the presence and expression of RSWA and the rate of progression of gait impairment in PD is unknown.
Sommer L. Amundsen‐Huffmaster   +11 more
wiley   +1 more source

Simple extractors via constructions of cryptographic pseudo-random generators

open access: yes, 2005
Trevisan has shown that constructions of pseudo-random generators from hard functions (the Nisan-Wigderson approach) also produce extractors. We show that constructions of pseudo-random generators from one-way permutations (the Blum-Micali-Yao approach ...
C.J. Lu   +10 more
core   +4 more sources

CSF Levels of NPTX2 Are Associated With Less Brain Atrophy Over Time in Cognitively Unimpaired Individuals

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Introduction Neuronal pentraxin 2 (NPTX2) is a synaptic protein involved in synaptic plasticity and regulation of neuronal excitability. Lower baseline cerebrospinal fluid (CSF) NPTX2 levels have been shown to be associated with an earlier onset of mild cognitive impairment (MCI), a pre‐dementia syndrome, even after CSF Alzheimer's Disease (AD)
Juan P. Vazquez   +12 more
wiley   +1 more source

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