Results 81 to 90 of about 36,992 (224)

Are cryptocurrencies safe havens during the COVID-19 pandemic? A threshold regression perspective with pandemic-related benchmarks

Economics and Business Review, 2022
The paper employs a threshold regression framework conditioned by two COVID-19 related proxies, to investigate whether Bitcoin and Ether exhibit short-term safe haven or diversifier features for stock and bond markets.
Barbu Teodora Cristina, Boitan Iustina Alina, Cepoi Cosmin-Octavian   +2 more
doaj   +1 more source

A New Curve Algebraically but not Rationally Uniformized by Radicals [PDF]

, 2010
We give a new example of a curve C algebraically, but not rationally, uniformized by radicals. This means that C has no map onto the projective line P^1 with solvable Galois group, while there exists a curve C' that maps onto C and has a finite morphism ...
Pirola, Gian Pietro, Rizzi, Cecilia, Schlesinger, Enrico   +2 more
core  

Casimir Energy for a Wedge with Three Surfaces and for a Pyramidal Cavity

, 2004
Casimir energy calculations for the conformally coupled massless scalar field for a wedge defined by three intersecting planes and for a pyramid with four triangular surfaces are presented.
H. Ahmedov, I. H. Duru, Janssen T., Milton K. A., Mostepanenko V. M.   +4 more
core   +1 more source

Photoreceptor degeneration has heterogeneous effects on functional retinal ganglion cell types

The Journal of Physiology, EarlyView.
Abstract figure legend Photoreceptor loss has heterogeneous effects on functional retinal ganglion cell (RGC) types. A, illustrations of cross‐sections of rd10 retinae at different time points during degeneration. Left: P30, rod degeneration has commenced, cones are still unaffected.
Nadine Dyszkant, Jonathan Oesterle, Yongrong Qiu, Merle Harrer, Timm Schubert, Dominic Gonschorek, Thomas Euler   +6 more
wiley   +1 more source

Dynamic Interconnections and Contagion Effects Among Global Stock Markets: A Vecm Analysis

ECONOMICS
This paper investigates the nature of the associations and the potential existence of both short-run and long-run relationships between the stock market indices of Morocco, France, Germany, the United Kingdom, China, and the United States from January ...
Kadiri Hamza, Oukhouya Hassan, Belkhoutout Khalid, Himdi Khalid El   +3 more
doaj   +1 more source

The mysterious middlemen making your vision pop: understanding the function of amacrine cells

The Journal of Physiology, EarlyView.
Abstract figure legend This review aims to illustrate the diversity and function of amacrine cells in the retina. The diversity of amacrine cell subtypes is depicted based on morphology, stratification and neurotransmitter expression, along with their synaptic connectivity with bipolar and ganglion cells, emphasizing inhibitory and modulatory roles ...
Victor Calbiague‐Garcia, Deborah Varro, Thomas Buffet, Olivier Marre   +3 more
wiley   +1 more source

Grain yield stability and genotype by environment interaction of quality protein maize hybrids in Ethiopia

Agrosystems, Geosciences &Environment, Volume 8, Issue 4, December 2025.
Abstract Maize (Zea mays L.) production in Ethiopia spans across various agro‐ecologies, encompassing humid highland, humid midland, dry lowland, and humid lowland areas. Identifying well‐adapted and productive genotypes for target production environments could be achieved by evaluating new experimental hybrids across various representative test ...
Diriba Beyene, Dagne Wegary, Bulti Tesso, Zerihun Jalata, Negash Geleta, Kasahun Sadessa   +5 more
wiley   +1 more source

The adaptive market hypothesis and the return predictability in the cryptocurrency markets

Economics and Business Review, 2023
This study employs robust martingale difference hypothesis tests to examine return predictability in a broad sample of the 40 most capitalized cryptocurrency markets in the context of the adaptive market hypothesis.
Karasiński Jacek
doaj   +1 more source

Time‐Series RNA‐Seq of Acropora tenuis Reveals Molecular Waves Leading to Synchronous Mass Spawning of Scleractinian Corals

Molecular Ecology, Volume 34, Issue 21, November 2025.
ABSTRACT Although mass, synchronised spawning of scleractinian corals is a well‐known phenomenon, its underlying molecular mechanisms, especially those that achieve synchronous release of gametes, are still unknown. In the genus Acropora, the dominant scleractinian coral in shallow reefs, spawning timing is synchronised in any given location, but often
Yuki Yoshioka, Go Suzuki, Yuji Fujikura, Satokuni Tashiro, Taiga Uchida, Eiichi Shoguchi, Noriyuki Satoh, Chuya Shinzato   +7 more
wiley   +1 more source

O(\alpha_s) Corrections to Longitudinal Spin-Spin Correlations in e+e- -> q qbar

, 1997
We calculate the $O(\alpha_s)$ corrections to longitudinal spin-spin correlations in $e^+e^-\to q\bar q$. For top quark pair production the $O(\alpha_s)$ corrections to the longitudinal spin-spin asymmetry amount to less than 1% in the $q^2$-range from ...
Groote, S., Körner, J. G., Leyva, J. A.
core   +1 more source