Results 71 to 80 of about 81,048 (231)

Uniform K-stability and asymptotics of energy functionals in K\"ahler geometry

open access: yes, 2018
Consider a polarized complex manifold (X,L) and a ray of positive metrics on L defined by a positive metric on a test configuration for (X,L). For most of the common functionals in K\"ahler geometry, we prove that the slope at infinity along the ray is ...
Boucksom, Sébastien   +2 more
core   +3 more sources

Community dynamics of lignicolous lichens on standing deadwood in a 275‐year chronosequence

open access: yesOikos, EarlyView.
Dead trees provide discrete habitat patches in which patch quality changes gradually due to wood decomposition. Although in most cases these patches persist for not more than a few decades, in some ecosystems deadwood decomposition and the consequent change in habitat patch quality can be a centuries‐long process, potentially leading to dynamics of ...
Aleksi Nirhamo   +4 more
wiley   +1 more source

From the brink of extinction to regulation: northern Europe's white‐tailed eagles now face density dependence and climate constraints after rapid population growth

open access: yesOikos, EarlyView.
Population growth reflects the combined influence of regulation and density‐independent factors operating through demographic processes. Under exceptional circumstances (e.g. populations recovering from near‐extinction), growth may initially be weakly regulated but typically slows as negative density dependence (NDD) sets in.
Bård‐Jørgen Bårdsen   +2 more
wiley   +1 more source

The delta invariant and the various GIT-stability notions of toric Fano varieties

open access: yes, 2019
In this article, we give combinatorial proofs of the following two theorems: (1) If a Gorenstein toric Fano variety is asymptotically Chow semistable then it is Ding polystable.
Yotsutani, Naoto
core   +1 more source

Identifying knowledge barriers to agroforestry adoption and co‐designing solutions to them

open access: yesPeople and Nature, EarlyView.
Abstract Compared to monocultures, agroforestry can promote biodiversity, ecosystem functioning and climate resilience, whilst maintaining or enhancing production and profits. Despite this, uptake in temperate regions remains low. Knowledge gaps amongst land managers are a primary barrier to uptake, but little is known about which aspects of ...
Amelia S. C. Hood   +7 more
wiley   +1 more source

The Alexandrov-Fenchel type inequalities, revisited

open access: yes, 2018
Various Alexandrov-Fenchel type inequalities have appeared and played important roles in convex geometry, matrix theory and complex algebraic geometry.
Li, Ping
core  

Tourism Labor Market and the Attainment of the 2030 Agenda for Sustainable Development Goals: Pending Challenges, Ongoing Opportunities and More Responsible and Inclusive Scientific Research for the Advancement of the Tourism Industry

open access: yesSustainable Development, EarlyView.
ABSTRACT Concerning human resources, research in the tourism sector has traditionally focused on a personnel‐managerial perspective rather than a labor market‐condition analysis per se, limiting the examination of its unique working ecosystem and distinct socioeconomic particularities. This has evidenced an apparent thematic research gap in the tourism
Maria Jesus Vazquez‐Garcia   +2 more
wiley   +1 more source

Does Adopting Sustainable Development Goals Drive Corporate Change? The Case of the Goal on Gender Equality

open access: yesSustainable Development, EarlyView.
ABSTRACT This study investigates whether firms' adoption of Sustainable Development Goal (SDG) 5 on gender equality leads to measurable improvements in gender diversity within corporate leadership. Using a sample of large European firms from 2016 to 2023, we apply a difference‐in‐differences methodology to compare gender diversity outcomes between ...
Josep Garcia‐Blandon   +3 more
wiley   +1 more source

Prescriptive Positivism: Discourse on Sustainable Development Goal Interactions and Perspectives for a Post‐2030 World

open access: yesSustainable Development, EarlyView.
ABSTRACT The Sustainable Development Goals (SDGs) are unlikely to be achieved by 2030, prompting debate about what should follow. Beyond revision, there is a need to critically examine what values and assumptions have shaped how the SDGs are conceptualised and operationalised.
Gin Dupont   +7 more
wiley   +1 more source

On lattice of existential formulas for fragment of Jonsson set

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2015
This paper its content associated with the study of model - theoretic properties of Jonsson theories and their semantic models. In particular, considering Jonsson sets concerning of their definable circuit described fragments and their relationship to ...
A.R. Yeshkeyev, O.I. Ulbrikht
doaj  

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