Results 51 to 60 of about 2,587 (144)

Modeling and Performance of Bonus-Malus Systems: Stationarity versus Age-Correction

Risks, 2014
In a bonus-malus system in car insurance, the bonus class of a customer is updated from one year to the next as a function of the current class and the number of claims in the year (assumed Poisson).
Søren Asmussen
doaj   +1 more source

Insider/Outsider/Transsiders of Transnational Migration

Studies in Ethnicity and Nationalism, EarlyView.
ABSTRACT Migration is individually and collectively a challenging but also a transformative praxis and process. In my proposal, I present these in the context of transnational migration of two multigenerational families whose pioneers originally migrated from Turkey to Germany.
Halil Can
wiley   +1 more source

Robust Non-Fragile Control of Positive Semi-Markovian Jump Systems With Actuator Saturation

IEEE Access, 2019
This paper is concerned with the non-fragile control problem of the positive semi-Markovian jump systems with actuator saturation. For the semi-Markovian process, a class of non-exponential distributions is considered as the probability distribution of ...
Dan Ding, Jinjin Liu, Haoyue Yang
doaj   +1 more source

“General Interest” Group or “Special Interest” Group? Understanding Nonworker Support for Unions

Sociological Forum, EarlyView.
ABSTRACT The labor movement has mounted a comeback in recent years, with breakthrough organizing and strikes at employers including Starbucks, Amazon, UPS, and the major automakers. The continuation of this trend, which could help stem rising economic inequality, may depend partly on how successful unions are at rallying public support. Yet this may be
Katherine Copas, Teke Wiggin
wiley   +1 more source

A comparison of normobaric and hypobaric hypoxia effects on cerebrovascular response pre and post maximal exercise

Experimental Physiology, EarlyView.
Abstract A lack of consensus remains on whether normobaric hypoxia (NH) and hypobaric hypoxia (HH) may differentially impact physiological factors affecting cerebrovascular regulation, particularly with an additional strenuous exercise component. We sought to compare the acute effects of NH and HH on global cerebral blood flow (gCBF) at an altitude ...
Rachel Turner, Giovanni Vinetti, Giacomo Strapazzon, Hannes Gatterer   +3 more
wiley   +1 more source

Daily hot‐water immersion preserves altitude‐induced haemoglobin mass expansion following descent independent of erythropoietin

Experimental Physiology, EarlyView.
Abstract High‐altitude exposure increases haemoglobin mass (Hbmass), a key determinant of arterial oxygen‐carrying capacity, but following descent this adaptation can regress toward baseline within 7 days. Long‐term heat acclimation has emerged as an alternative stimulus for Hbmass expansion; however, whether post‐altitude passive‐heat exposure can ...
Elliott J. Jenkins, Jodie L. Koep, Andrew J. M. Douglas, Lauren E. Maier, Connor A. Howe, Sarah Sheitelman, Liam D. Corr, Christoph Siebenmann, Michael G. Hughes, Joshua C. Tremblay, Philip N. Ainslie, Travis D. Gibbons, Mike Stembridge   +12 more
wiley   +1 more source

The role of acid‐base balance in cerebrovascular and ventilatory responses to CO2 during 10 h normobaric hypoxia

The Journal of Physiology, EarlyView.
Abstract figure legend During 10 h exposures to normobaric hypoxia exposure there was a selective leftward shift in ventilatory response to hyperoxic hypercapnic rebreathing, but not the cerebrovascular response. The key findings are that the resetting of the central chemoreflex to lower PCO2${P_{{\mathrm{C}}{{\mathrm{O}}_2}}}$ during early hypoxic ...
Holly Barclay, Saptarshi Mukerji, Bengt Kayser, Jui‐Lin Fan   +3 more
wiley   +1 more source

Effects of nocturnal periodic breathing on sympathetic nerve activity and ventilatory control at high altitude: a randomised, crossover study

The Journal of Physiology, EarlyView.
Abstract figure legend Schematic overview of the randomised crossover study investigating the effects of nocturnal periodic breathing (nPB) on sympathetic activity and ventilatory acclimatisation in hypobaric hypoxia equivalent to 4000 m altitude. Participants completed two 3‐day sojourns where nPB was inhibited by increasing inspiratory CO2 fraction ...
Johanna Roche, James P. Fisher, Peter Rasmussen, Abubaker Ibrahim, Philip N. Ainslie, Rachel Turner, Giovanni Vinetti, Matteo Cesari, Michael Furian, Ambra Stefani, Nikolaus Netzer, Hannes Gatterer, Birgit Högl, Christoph Siebenmann   +13 more
wiley   +1 more source

Endocrine and androgenic response to altitude training in professional cyclists

The Journal of Physiology, EarlyView.
Abstract figure legend Steroidal and endocrine variables are altered during altitude training. Abstract This study investigated endocrine and steroidal blood markers in 31 male elite cyclists monitored over 7 weeks, including a 3 week altitude training camp either at 2050 m (n = 19) or 3000 m (n = 12).
Raphael Faiss, Bastien Krumm, Claes Cubel, Magnus Bak Klaris, Lasse Vestli Baekken, Yvette Dehnes, Jenna Goodrum, Geoff Miller, James Spragg, Martin Faulhaber, Francesco Botrè, Carsten Lundby   +11 more
wiley   +1 more source

Sympatho‐Excitation in Pulmonary Hypertension: The Potential Role of Pulmonary Arterial Baroreceptors: An Acute Physiologic Intervention Study

Respirology, Volume 31, Issue 6, Page 621-629, June 2026.
Pulmonary arterial baroreceptors reflexively stimulate sympathetic nerve activity (SNA) in response to elevated pulmonary artery pressure and distension. In pulmonary hypertension patients, changes in muscle SNA were proportional to changes in pulmonary haemodynamics following nebulised iloprost.
Michael J. Plunkett, Ana L. C. Sayegh, Robert A. Lewis, Tanya J. McWilliams, Sasiharan Sithamparanathan, Julian F. R. Paton, James P. Fisher   +6 more
wiley   +1 more source