Exact relaxation for polynomial optimization on semi-algebraic sets [PDF]
, 2013 In this paper, we study the problem of computing by relaxation hierarchies the infimum of a real polynomial function f on a closed basic semialgebraic set and the points where this infimum is reached, if they exist.
Bucero, Marta Abril, Mourrain, Bernard
core +4 more sources
A sentiment-based financial stress index for Russia
Borsa Istanbul ReviewWe propose a sentiment-based financial stress index (S–FSI) for Russia from January 2018 to June 2024. The index is based on the intensity of internet searches in Russian via Google and Yandex for terms with negative connotations about financial ...
Mikhail Stolbov, Maria Shchepeleva
doaj +1 more source
The puzzle of convex/concave ESG returns and large banks in MENA region countries
Borsa Istanbul ReviewThis study examines the linear and nonlinear impacts of the environmental, social, and governance (ESG) components on bank stock returns in the region of the Middle East and North Africa (MENA).
Ray Saadaoui Mallek +3 more
doaj +1 more source
Were MENA commercial banks resilient amidst COVID-19 shock? A multi-perspective efficiency analysis
International Review of Economics & FinanceThis study aims to investigate the impact of the COVID-19 pandemic on the operational efficiency of 81 commercial banks across the MENA region, covering the period from 2018Q3 to 2022Q3.
Manal El Kassimi +2 more
doaj +1 more source
Cleaner and Responsible ConsumptionEnvironment, Social, and Governance (ESG) scores serve as an index that indicates the extent to which listed companies operate an eco-friendly and cleaner production process, are responsible to society, and are transparent and accountable with their ...
Woraphon Wattanatorn +1 more
doaj +1 more source
The role of earnings management and audit fees in non-financial companies during crises
Central Bank ReviewThis study examines the mean difference and the indirect relationship between earnings management (measured by discretionary accruals) and audit fees.
Maria I. Kyriakou
doaj +1 more source
Commuting involutions and degenerations of isotropy representations
, 2013 Panyushev, D.
core +1 more source
<i>Bacillus subtilis</i> G01: A Multifunctional Agent with Broad-Spectrum Antimicrobial Activity and Digestive Enzymes for Sustainable Agriculture and Animal Husbandry. [PDF]
J Microbiol BiotechnolYan Y +6 more
europepmc +1 more source
Nihon Shishubyo Gakkai Kaishi (Journal of the Japanese Society of Periodontology), 2010 openaire +2 more sources
New Player in the Field of Glioblastoma Therapy: EGFRvIII-Specific Gol1 Aptamer Shows a Great Therapeutic Potential. [PDF]
PharmaceuticsDzarieva F +8 more
europepmc +1 more source