Results 81 to 90 of about 266,345 (367)

SOBRE O CÁLCULO INFINITESIMAL:

Boletim Cearense de Educação e História da Matemática, 2018
Este trabalho versa sobre um estudo inicial e preliminar de alguns conceitos do cálculo infinitesimal presentes na obra de de Introductio in Analysis Infinitorum de Leonhard Euler e breve discussão sobre a obra de Ouvres De Lagrange.
Alailson silva de Lira, João Cláudio Brandemberg   +1 more
doaj   +1 more source

The Role of Calcitonin Gene‐Related Peptide in High‐Altitude Headache: A Prospective Field Study

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective High‐altitude headache (HAH) is a common neurological condition associated with rapid ascent to high altitude. The pathophysiological mechanisms underlying HAH remain incompletely understood. Calcitonin gene‐related peptide (CGRP), a neuropeptide implicated in migraine pathophysiology, may play a key role in the pathophysiology of ...
Roman Schniepp, Ludwig Karrasch, Helena Breitenstein, Andreas Straube, Katharina Kamm   +4 more
wiley   +1 more source

Higher Infinitesimal Neighbourhoods

Journal of Algebra, 1998
Let \(Z\) be a configuration of points in the projective space \({\mathbb P}^m\) and call \(h_{Z,k}(n)\) the Hilbert function of the \(k\)-th neighbourhood \(Z^k\). When \(k=2\) and \(Z\) is general, the Hilbert function is known according to the Alexander-Hirschowitz theorem: It has the expected behaviour, except for \(4\) classified cases. When \(k\)
openaire   +2 more sources

GAD65 Antibody ELISA With Extended Reportable Range: Validation and Guidance for Neurological Practice

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To (1) validate GAD65‐ELISA detection and quantification for type 1 diabetes mellitus and autoimmune neurological diagnoses, (2) correlate ELISA results (reference range < 5 IU/mL) with established radioimmunoprecipitation assay (RIA; ≤ 0.02 nmol/L), and (3) define ELISA clinical utility and pitfalls.
Andrew McKeon, Dana Olofson, Diana Anissian, Divyanshu Dubey, Eoin P. Flanagan, Max C. Herman, Sarosh R. Irani, Daniel H. Lachance, Maria A. Willrich, Sean Pittock, John R. Mills, Anastasia Zekeridou   +11 more
wiley   +1 more source

Algunos conceptos matemáticos asociados al infinito

Ingenierías USBMed, 2014
En éste artículo se aborda el concepto de infinito en su forma general y se hace un análisis del infinito actual y del infinito potencial. Se realizan algunas demostraciones, con el objetivo de enfatizar en la trascendencia que dejó la idea del infinito ...
Iván Darío Buitrago C., Carlos A. Gaviria, Carlos A. Márquez   +2 more
doaj  

On Geodesic Segments in the Infinitesimal Asymptotic Teichmüller Spaces

Journal of Function Spaces, 2015
Let AZ(R) be the infinitesimal asymptotic Teichmüller space of a Riemann surface R of infinite type. It is known that AZ(R) is the quotient Banach space of the infinitesimal Teichmüller space Z(R), where Z(R) is the dual space of integrable quadratic ...
Yan Wu, Yi Qi, Zunwei Fu
doaj   +1 more source

Infinitesimal Structure of Singularities

Universe, 2017
Some important problems of general relativity, such as the quantisation of gravity or classical singularity problems, crucially depend on geometry on very small scales.
Michael Heller, Jerzy Król
doaj   +1 more source

Crystal frameworks, symmetry and affinely periodic flexes [PDF]

, 2014
Symmetry equations are obtained for the rigidity matrices associated with various forms of infinitesimal flexibility for an idealised bond-node crystal framework $\C$ in $\bR^d$.
Power, Stephen
core   +3 more sources

A Systematic Comparison of Alpha‐Synuclein Seed Amplification Assays for Increasing Reproducibility

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Seed amplification assays (SAAs) enable ultrasensitive detection of misfolded α‐synuclein across biofluids and tissues. Yet, heterogeneity in protocols limits cross‐study comparability and clinical translation. Here, we review α‐synuclein SAA methods and their performance across various biological matrices.
Manuela Amaral‐do‐Nascimento, Daniela F. Santos, Tuane C. R. G. Vieira, Tiago F. Outeiro   +3 more
wiley   +1 more source

Prognostic Value of Neurofilament Light Chain and Glial Fibrillary Acidic Protein in ALD‐Related Myelopathy

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background X‐linked adrenoleukodystrophy (X‐ALD) is a neurometabolic disorder caused by pathogenic variants in ABCD1, leading to slowly progressive spinal cord disease in nearly all affected men. Sensitive biomarkers to quantify disease severity and predict progression are needed for clinical care and trial design.
Eda G. Kabak, Marije M. C. Voermans, Hans Heijst, Charlotte E. Teunissen, Marc Engelen   +4 more
wiley   +1 more source