Results 21 to 30 of about 23,675 (138)

Venture capital healthcare investments and health care sector growth: A panel data analysis of Europe

open access: yesBorsa Istanbul Review, 2022
We examine the effect of venture capital investments on health sector growth, using a macro sample data from EVCA (now Invest Europe), World Bank, OECD and Eurostat databases covering 23 EU/EEA countries between 2000 and 2019.
Fauna Atta Frimpong   +2 more
doaj   +1 more source

Identification of High-Yielding Genotypes of Barley in the Warm Regions of Iran

open access: yesPlants, 2023
One of the most important effects of climatic changes is increasing temperatures and expanding water deficit stress in tropical and subtropical regions.
Alireza Pour-Aboughadareh   +8 more
doaj   +1 more source

Conductivity in the gravity dual to massive ABJM and the membrane paradigm [PDF]

open access: yes, 2013
In this paper we analyze the effect of the massive deformation of the ABJM model on the calculation of conductivity of the dual theory. We show that some of the difficulties presented by the dual geometry, in particular the construction of black holes ...
Lopez-Arcos, Cristhiam   +3 more
core   +2 more sources

The 24-Cell and Calabi-Yau Threefolds with Hodge Numbers (1,1) [PDF]

open access: yes, 2011
Calabi-Yau threefolds with h^11(X)=h^21(X)=1 are constructed as free quotients of a hypersurface in the ambient toric variety defined by the 24-cell. Their fundamental groups are SL(2,3), a semidirect product of Z_3 and Z_8, and Z_3 x Q_8.Comment: 22 ...
DA Cox   +20 more
core   +2 more sources

Infall of gas as the formation mechanism of stars up to 20 times more massive than the Sun [PDF]

open access: yes, 2006
Theory predicts and observations confirm that low-mass stars (like the Sun) in their early life grow by accreting gas from the surrounding material.
C Codella   +35 more
core   +2 more sources

Mandatory CSR disclosure and analyst forecast properties: Evidence from a quasi-natural experiment in China

open access: yesChina Journal of Accounting Research, 2023
Based on a quasi-natural experiment that mandates a subset of listed firms to issue standalone corporate social responsibility (CSR) reports, we examine whether mandatory CSR disclosure improves analysts’ information environment.
Haina Shi   +3 more
doaj   +1 more source

Dynamical emergence of extra dimensions and warped geometries [PDF]

open access: yes, 2001
We present four-dimensional gauge theories in Minkowski spacetime which effectively generate in certain energy regimes five-dimensional warped geometries whereas, in general, the fifth dimension is latticized.
Alishahiha   +27 more
core   +2 more sources

Cultural proximity, venture capital and firm performance

open access: yesBorsa Istanbul Review, 2022
Cultural distance is an important factor for the success of venture capital (VC) investments. Using a large sample of Chinese VC events, this study examines how cultural proximity between VC investors and portfolio firms, as measured by a unique ...
Guoyan Huang   +3 more
doaj   +1 more source

The history of the iron K-alpha line profile in the Piccinotti AGN ESO198-G24

open access: yes, 2003
This paper presents ASCA (July 1997), XMM-Newton (December 2000) and BeppoSAX (January 2001) observations of the Piccinotti Seyfert 1 galaxy ESO198-G24.
Antonucci   +55 more
core   +1 more source

Painleve-Calogero Correspondence Revisited [PDF]

open access: yes, 2000
We extend the work of Fuchs, Painlev\'e and Manin on a Calogero-like expression of the sixth Painlev\'e equation (the ``Painlev\'e-Calogero correspondence'') to the other five Painlev\'e equations.
Calogero   +23 more
core   +2 more sources

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