Results 81 to 90 of about 27,784 (186)

Suppression of HD-cooling in protogalactic gas clouds by Lyman-Werner radiation

open access: yes, 2010
It has been shown that HD molecules can form efficiently in metal-free gas collapsing into massive protogalactic halos at high redshift. The resulting radiative cooling by HD can lower the gas temperature to that of the cosmic microwave background, T_CMB=
Abel   +71 more
core   +1 more source

Modeling the Implied Volatility Smirk in China: Do Non‐Affine Two‐Factor Stochastic Volatility Models Work?

open access: yesJournal of Futures Markets, Volume 45, Issue 6, Page 612-636, June 2025.
ABSTRACT In this paper, we investigate alternative one‐factor and two‐factor continuous‐time models with both affine and non‐affine variance dynamics for the Chinese options market. Through extensive empirical analysis of the option panel fit and diagnostics, we find that it is necessary to include both the non‐affine feature and the multi‐factor ...
Yifan Ye, Zheqi Fan, Xinfeng Ruan
wiley   +1 more source

Non Gaussian extrema counts for CMB maps

open access: yes, 2011
In the context of the geometrical analysis of weakly non Gaussian CMB maps, the 2D differential extrema counts as functions of the excursion set threshold is derived from the full moments expansion of the joint probability distribution of an isotropic ...
A. G. Doroshkevich   +6 more
core   +2 more sources

Part-time Employment and Business Cycle in Central and Eastern Europe

open access: yesReview of Economic Perspectives, 2017
This article explores the development of part-time employment in Central and Eastern Europe and compares it to Western Europe. On the macro level it examines the role of the business cycle and its effect on part-time employment in the two groups of ...
Fialová Kamila
doaj   +1 more source

Effect of dipolar moments in domain sizes of lipid bilayers and monolayers

open access: yes, 2006
Lipid domains are found in systems such as multi-component bilayer membranes and single component monolayers at the air-water interface. It was shown by Andelman et al. (Comptes Rendus 301, 675 (1985)) and McConnell et al. (Phys. Chem.
A. Travesset   +6 more
core   +1 more source

Un análisis dinámico del efecto de las ganancias fortuitas sobre la participación laboral

open access: yesLecturas de Economía, 2007
Este artículo discute el efecto negativo de las herencias, regalos o loterías, que pueden pensarse como ganancias fortuitas, sobre la participación laboral. En la literatura, este efecto se conoce también como la hipótesis de Carnegie.
Jhon James Mora
doaj  

Demand Drivers of Female Labor Force Participation: Evidence From Selected African Countries

open access: yesECONOMICS, 2019
This study investigates the demand drivers of female labor participation in a panel of twenty (20) selected African countries across five sub-regional groupings (West Africa, East Africa, North Africa, Central Africa and South Africa), over the period ...
Idowu Omowumi O.
doaj   +1 more source

El trabajo informal en los Estados Unidos: informalización, inmigración y emprendimiento en el trabajo*

open access: yesEl Trimestre Económico
El trabajo informal -es decir, el trabajo que por lo demás es legal pero no está protegido por las leyes laborales estándar ni los programas de seguridad social que cubren el resto del trabajo- está muy extendido en los Estados Unidos, y la ...
Chris Tilly
doaj   +1 more source

Az Észak-magyarországi régió munkaerő-piaci folyamatainak vizsgálata A

open access: yesCompetitio, 2014
A tanulmány az Észak-magyarországi régió pozícióját vizsgálja országos viszonylatban a főbb munkaerőpiaci indikátorok figyelembe vételével. Számításokat végeztem a régióban lezajló munkaerő-piaci folyamatok szemléltetésére.
Katalin Lipták
doaj   +1 more source

New variables of separation for particular case of the Kowalevski top

open access: yes, 2010
We discuss the polynomial bi-Hamiltonian structures for the Kowalevski top in special case of zero square integral. An explicit procedure to find variables of separation and separation relations is considered in detail.Comment: 11 pages, LaTeX with Ams ...
A. V. Tsiganov   +24 more
core   +1 more source

Home - About - Disclaimer - Privacy