Results 61 to 70 of about 2,021 (130)

Why do financial markets asymmetrically smile? A simple formula in the multi-factor Heston model [PDF]

open access: yes
A simple approach to determining the Gaussian kernel that constitutes the backbone of the multi-factor Heston model is proposed based on a suitable expansion in powers of volatilities of volatilities.
Iori, G.   +3 more
core  

Association of chronic insomnia symptoms and recurrent extreme sleep duration over 10 years with well-being in older adults: a cohort study [PDF]

open access: yes, 2016
OBJECTIVES: The extent to which aspects of sleep affect well-being in the long-term remains unclear. This longitudinal study examines the association between chronic insomnia symptoms, recurrent sleep duration and well-being at older ages.
Abell, JG   +4 more
core  

Halo occupation distribution modelling of green valley galaxies [PDF]

open access: yes, 2013
We present a clustering analysis of near-ultraviolet (NUV)–optical colour selected luminosity bin samples of green valley galaxies. These galaxy samples are constructed by matching the Sloan Digital Sky Survey Data Release 7 with the latest Galaxy ...
Hirata, Christopher M.   +4 more
core  

2025 ACVIM Forum Research Abstract Program

open access: yes
Journal of Veterinary Internal Medicine, Volume 39, Issue 6, November/December 2025.
wiley   +1 more source

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