Results 81 to 90 of about 815,811 (353)

Restricted Tweedie stochastic block models

open access: yesCanadian Journal of Statistics, EarlyView.
Abstract The stochastic block model (SBM) is a widely used framework for community detection in networks, where the network structure is typically represented by an adjacency matrix. However, conventional SBMs are not directly applicable to an adjacency matrix that consists of nonnegative zero‐inflated continuous edge weights.
Jie Jian, Mu Zhu, Peijun Sang
wiley   +1 more source

Effects of Land-Use Modifications in the Potential Distribution of Endemic Bird Species Associated With Tropical Dry Forest in Guerrero, Southern Mexico

open access: yes, 2018
Land-use changes are one of the main causes of biodiversity loss. It would be expected that species with restricted habitats and distribution should experience the main negative effects of the modification of natural environments.
R. Almazán-Núñez   +4 more
semanticscholar   +1 more source

Tropidodipsas sartorii (Cope, 1863) (Squamata: Dipsadidae): an addition to the snake fauna from Guerrero, Mexico

open access: yesHerpetozoa, 2019
We report for the first time on the presence of the snake Tropidodipsassartorii in the Mexican state of Guerrero. According to distribution and morphological evidence, the specimen reported herein is a representative of the subspecies T.s.macdougalli.
J. C. Blancas-Hernández   +2 more
semanticscholar   +1 more source

Hábitos alimenticios de Caranx vinctus (Perciformes: Carangidae), especie de importancia comercial en la bahía de Acapulco, Guerrero, México

open access: yes, 2020
María Isabel Vázquez-Ozuna1, Genoveva Cerdenares-Ladrón de Guevara2, Agustín Aucencio Rojas-Herrera1*, Juan Violante-González1, Sergio García-Ibañez1 & Víctor Manuel Rosas-Guerrero3 1.
María Isabel Vázquez-Ozuna   +5 more
semanticscholar   +1 more source

To What Extent Does ESG Performance Influence Board Engagement in Acquisition Activity?

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This study examines the relationship between boards and corporate acquisition activity. Specifically, we posit that boards with directors who have been politicians positively influence the propensity to pursue acquisitions and that ESG performance (divided into environmental, social, and governance scores) moderates this relationship.
Leticia Pérez‐Calero   +4 more
wiley   +1 more source

Eficiencia biológica de cepas nativas de Trichoderma spp., en el control de Sclerotium rolfsii Sacc., en cacahuate

open access: yesAIA Avances en Investigación Agropecuaria, 2013
En el control de Sclerotium rolfsii Sacc., se evaluó el efecto antagónico de aislados nativos de Trichoderma spp., bajo condiciones in vitro y de invernadero, en la zona Norte del estado de Guerrero. Se obtuvieron doce aislados nativos de Trichoderma spp.
A. C. Michel-Aceves   +4 more
doaj  

Examinig the roloe of economic liberalization in entrepeneurship: a cross-country study [PDF]

open access: yes, 2016
In the last few decades some authors have underlined the role of institutions and policies for entrepreneurship. North (1990) underlines that entrepreneurs are the main agents of change and that organizations, such as firms set up by entrepreneurs, adapt
Abad-Guerrero, Isabel Maria   +2 more
core  

Por usos y costumbres: los sistemas comunitarios de gobierno en la Costa Chica de Guerrero

open access: yesEstudios Sociológicos de El Colegio de México, 2019
En 2018, por primera vez en la historia legal del estado de Guerrero, han tenido lugar elecciones locales por usos y costumbres. En relación con esta actualidad, el artículo desarrolla un análisis sociológico acerca de las prácticas sociales que ...
Pierre Gaussens
semanticscholar   +1 more source

Walking the Tightrope of Sustainability Reporting Standardization: Insights From Italian Small and Medium‐Sized Enterprises

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This study investigates the challenges and support needs of small and medium‐sized enterprises (SMEs) in adopting standardized sustainability reporting, taking the European Sustainability Reporting Standards (ESRS) as an empirical case of formal standardization.
Filippo Cavaliere   +2 more
wiley   +1 more source

Niveles de asimilación económica del estado de Guerrero

open access: yesInvestigaciones Geográficas, 1998
La teoría de la asimilación económica del territorio es una manera nueva de interpretar la realidad regional del país. Este estudio tiene por finalidad obtener una imagen cartográfica sintética de Guerrero, basada en la consideración de los preceptos ...
Enrique Propin Frejomil   +1 more
doaj  

Home - About - Disclaimer - Privacy