Results 21 to 30 of about 12,889 (115)

Menger curvature and rectifiability

open access: yes, 1999
For a Borel set E in R^n, the total Menger curvature of E, or c(E), is the integral over E^3 (with respect to 1-dimensional Hausdorff measure in each factor of E) of c(x,y,z)^2, where 1/c(x,y,z) is the radius of the circle passing through three points x,
Léger, J. C.
core   +2 more sources

Endoscopically assessed mucus parameters in equine asthma: Relationship to clinical history and cytological findings data

open access: yesEquine Veterinary Journal, EarlyView.
Abstract Background Mucus parameters are hallmark diagnostic features of equine asthma (EA). Objectives To investigate the relationship between mucus quantity score and mucus viscosity score with signalment, history, clinical findings and cytological parameters. Study Design Retrospective cross‐sectional study.
Julia Drespling   +5 more
wiley   +1 more source

A century of methodological individualism part 1: Schumpeter and Menger [PDF]

open access: yes, 2010
2009 marks the centenary of methodological individualism (MI). The phrase was first used in English in a 1909 QJE paper by Joseph Schumpeter. Yet after 100 years there is considerable confusion as to what the phrase means.
Denis, A.
core  

Higher order rectifiability of measures via averaged discrete curvatures

open access: yes, 2016
We provide a sufficient geometric condition for $\mathbb{R}^n$ to be countably $(\mu,m)$ rectifiable of class $\mathscr{C}^{1,\alpha}$ (using the terminology of Federer), where $\mu$ is a Radon measure having positive lower density and finite upper ...
Kolasiński, Sławomir
core   +1 more source

This Woman's Work: On the Relationship Between Creative and Reproductive Cognitive Labor

open access: yesGender, Work &Organization, EarlyView.
ABSTRACT Persistent gender inequality in creative industries is typically explained through exclusionary networks, precarity, and discrimination. This article shifts focus to the cognitive and temporal dynamics that may influence such inequality. Drawing on dyadic interviews with Canadian parents who work or previously worked in creative fields, it ...
Kim de Laat
wiley   +1 more source

Combinatorial images of sets of reals and semifilter trichotomy

open access: yes, 2010
Using a dictionary translating a variety of classical and modern covering properties into combinatorial properties of continuous images, we get a simple way to understand the interrelations between these properties in ZFC and in the realm of the ...
Banakh   +9 more
core   +1 more source

Stationary Points of O'Hara's Knot Energies [PDF]

open access: yes, 2012
In this article we study the regularity of stationary points of the knot energies $E^\alpha$ introduced by O'Hara in the range $\alpha \in (2,3)$.
Blatt, Simon, Reiter, Philipp
core   +1 more source

How much sampling is enough? Four decades of understorey bird mist‐netting across Amazonia define the minimum effort to uncover species assemblage structure

open access: yesIbis, EarlyView.
Mist‐net sampling comprises a key methodological component of assemblage‐wide avifaunal studies, particularly in the understorey of closed‐canopy tropical forests. To investigate mist‐net bird captures and species assemblage structure, we compiled data from 312 sites across the Pan‐Amazon.
Pilar L. Maia‐Braga   +14 more
wiley   +1 more source

The combinatorics of the Baer-Specker group

open access: yes, 2010
Denote the integers by Z and the positive integers by N. The groups Z^k (k a natural number) are discrete, and the classification up to isomorphism of their (topological) subgroups is trivial.
A. Krawczyk   +34 more
core   +1 more source

Fine‐scale patterns of genetic structure in three species of forest birds reveal dynamic Pleistocene history within an Amazonian interfluve

open access: yesIbis, EarlyView.
Phylogeographical studies of Amazonian birds have revealed large intraspecific diversity, even within recognized areas of endemism. To understand the origin and organization of Amazonian diversity, including the influence of current and historical landscapes, we need to evaluate fine‐scale patterns of genetic diversity in relation to detailed ...
Affonso Henrique Nascimento de Souza   +4 more
wiley   +1 more source

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