Results 1 to 10 of about 97,775,962 (183)

Entropy of Volatility Changes: Novel Method for Assessment of Regularity in Volatility Time Series. [PDF]

Entropy (Basel)
The goal of this research is to introduce and thoroughly investigate a new methodology for the assessment of sequential regularity in volatility time series. Three volatility estimators based on daily range data are analyzed: (1) the Parkinson estimator,
Olbryś J.
europepmc   +2 more sources

Revision of the genus Attaphila (Blattodea: Blaberoidea), myrmecophiles living in the mushroom gardens of leaf-cutting ants [PDF]

Arthropod Systematics & Phylogeny, 2021
The genus Attaphila, comprising minute myrmecophilous cockroaches, is revised, including now six previously known (A. aptera, A. bergi, A. flava, A. fungicola, A. schuppi, A. sexdentis) and three new species (A. multisetosa sp. nov.
Horst Bohn, Volker Nehring, Jonathan G. Rodríguez, Klaus-Dieter Klass   +3 more
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Balancing Surgical Innovation With Indications: A Multicenter Retrospective Comparison of Reduced-Port Distal Gastrectomy Using Da Vinci SP Versus Multi-Port Robotic Platforms From the KLASS-13 Cohort [PDF]

Cancers
Sung Hyun Park, Sang-Hoon Ahn, Yoo Min Kim   +2 more
exaly   +2 more sources

Essential updates 2019/2020: Perioperative and surgical management of gastric cancer

Annals of Gastroenterological Surgery, 2021
Perioperative and surgical management of gastric cancer have been changing as pivotal phase II trials and landmark phase III trials offer new insights to the existing knowledge.
Tomoyuki Irino, Satoru Matsuda, Norihito Wada, Hirofumi Kawakubo, Yuko Kitagawa   +4 more
doaj   +1 more source

Redaktörerna har ordet

Sociologisk Forskning, 2020
Det här numret av Sociologisk Forskning är det första som helt görs av redaktionen på Södertörns högskola. Numret ges ut i en tid som tydligt präglas av den globala coronaviruspandemin.
Lena Sohl, Magnus Wennerhag
doaj   +1 more source

The Garman–Klass Volatility Estimator Revisited

Revstat Statistical Journal, 2011
The Garman–Klass unbiased estimator of the variance per unit time of zero-drift Brownian Motion, is quadratic in the range-based financial-type data CLOSE−OPEN, MAX −OPEN , OPEN −MIN reported on regular time windows. Its variance, 7.4 times smaller than
Isaac Meilijson
doaj   +1 more source

Artificial Intelligence (AI) at the Threshold of Personhood, Death, and Grieving

Voices in Bioethics
Photo ID 313706874 © Poznavaikainfo| Dreamstime.com Abstract With the increased use of Artificial Intelligence (AI) in intimate aspects of human life, this paper evaluates the ethical implications of an AI model that simulates and perpetuates a person'
Blessing Temitope Adewuyi
doaj   +3 more sources

Economic Tremors From a Perfect Storm: The Ukrainian Crisis and Its Impact on Regional Stock Market Volatility

Studia Universitatis Babeş-Bolyai Negotia
This study investigates the impact of the Russia-Ukraine war on stock market volatility in neighboring countries, analyzing five stock market indices (BET, BUX, WIG, SAX, and MOEX) over a three-year period encompassing one year before and two years ...
Tudor OPRIȘOR, Cristina-Ioana BALINT, George-Silviu CORDOȘ   +2 more
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Attachment Of Macrobenthos Larvae To Organic And Non-Organic Substrates

Jurnal Ilmiah Platax
The objectives of this study are 1) to Identify the specimen of macrobenthos attached to the substrate provided in 2 locations. 2) to determine the type of substrate attached by the larvae at both sites.
Hans S. R. P. Saragih, Medy Ompi, Erly Yosef Kaligis, Farnis B. Boneka Boneka, Veibe Warouw, Darus Sa’adah Johanis Paransa   +5 more
doaj   +1 more source

Mer om de preverbala adverbialens syntax, semantik och prosodi

Norsk Lingvistisk Tidsskrift, 2018
Denna tåt följer upp en tidigare artikel och en tåt i NLT om de så kallade pre-verbala adverbialen i skandinaviskan: Brandtler & Håkansson (2017) och Julien (2018).
Björn Lundquist
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