Results 121 to 130 of about 20,376 (274)

Using Deep Learning Conditional Value‐at‐Risk Based Utility Function in Cryptocurrency Portfolio Optimisation

open access: yesInternational Journal of Finance &Economics, EarlyView.
ABSTRACT One of the critical risks associated with cryptocurrency assets is the so‐called downside risk, or tail risk. Conditional Value‐at‐Risk (CVaR) is a measure of tail risks that is not normally considered in the construction of a cryptocurrency portfolio.
Xinran Huang   +3 more
wiley   +1 more source

Do Internet‐Driven Trade Shocks Moderate the Exchange Rate Pass‐Through to Inflation?

open access: yesInternational Journal of Finance &Economics, EarlyView.
ABSTRACT This study examines the existence of an internet globalisation intensifying impact on the size of the exchange rate pass‐through (ERPT) to inflation, which conditions the response of central banks' policy rates. Expanding on the traditional determinants of ERPT, we incorporate technology‐induced trade shocks linked to internet adoption to ...
Joanna Darwiche, Nicole Ballouz Baker
wiley   +1 more source

Provably secure and efficient escrowable public key encryption schemes

open access: yesTongxin xuebao, 2014
In an escrowable public key encryption (E-PKE) scheme, there are two keys associated with one public key. It can reduce the total number of certificates in the public key infrastructure (PKI) to a large extent, thus degrade the com-plexity of certificate
Wen-hao LIU   +3 more
doaj  

Provably Secure Authenticated Encryption

open access: yes, 2018
Authenticated Encryption (AE) is a symmetric key cryptographic primitive that ensures confidentiality and authenticity of processed messages at the same time. The research of AE as a primitive in its own right started in 2000. The security goals of AE were captured in formal definitions in the tradition in the tradition of provable security (such as ...
openaire   +1 more source

Perceived Educational Value of a Self‐Developed 3D‐Printed Pediatric Dentistry Simulator

open access: yesJournal of Dental Education, EarlyView.
ABSTRACT Purpose To design and assess a 3D‐printed pediatric dentistry simulator and to evaluate its perceived educational value and realism through student and expert feedback. Methods A maxillary simulator that is mountable on phantom heads was developed and produced by desktop stereolithography with single‐use inserts, enabling proximal caries ...
Michel Benyamin   +11 more
wiley   +1 more source

Towards Characterization of Five‐List‐Colorability of Toroidal Graphs

open access: yesJournal of Graph Theory, EarlyView.
ABSTRACT Through computer‐assisted enumeration, we list minimal obstructions for 5‐choosability of graphs on the torus with the following additional property: There exists a cyclic system of non‐contractible triangles around the torus where the consecutive triangles are at distance at most four.
Zdeněk Dvořák   +1 more
wiley   +1 more source

Fritz Scheffer Under National Socialism: Assessing His Political Involvement

open access: yesJournal of Plant Nutrition and Soil Science, EarlyView.
ABSTRACT Aims This article examines the role of soil scientist Fritz Scheffer (1899–1979) under National Socialism and offers a critical assessment of his scientific, institutional, and political positioning between 1933 and 1945. It asks how Scheffer shaped his career within the tension between disciplinary specialization, political expectations, and ...
Jan Arend
wiley   +1 more source

"Two tribes": Handaxe shape variation shows distinct regional cultural groups in southeastern Britain between 424 000 and 374 000 BP

open access: yesJournal of Quaternary Science, EarlyView.
ABSTRACT This paper examines regional and chronological variations in Acheulean handaxe morphology during Marine Isotope Stage 11 (c. 425–365 ka BP) in Britain. Using a data set of 737 handaxes from 13 securely dated sites in East Anglia and the Thames Valley, we apply three‐dimensional geometric morphometric analysis to examine morphological ...
Mark White   +5 more
wiley   +1 more source

Exploring production of social and economic value in social enterprises through a business model framework

open access: yesStrategic Change, EarlyView.
Abstract This study explores how social enterprises create social and economic value through business models that support ex‐offenders. The work was motivated by a request for help from an entrepreneur wishing to establish a business that supports ex‐offender rehabilitation.
Elizabeth Green   +2 more
wiley   +1 more source

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