The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), also known as coronavirus
disease (COVID-19), is a major pandemic challenging health care systems around the …

The outcome of kidney transplant patients with severe acute respiratory syndrome coronavirus
2 (SARS‐CoV‐2) infection is still unclear. Here we describe the clinical characteristics, …

Abstract Treatment of Crohn's disease (CD) in clinical remission is still a debated issue.
Previous studies have shown a high risk of relapse for patients with CD in clinical remission (…

Understanding non-linear relationships among financial instruments has various applications
in investment processes ranging from risk management, portfolio construction and trading …

For a financial analyst, the question and answer (Q\&A) segment of the company financial
report is a crucial piece of information for various analysis and investment decisions. However, …

We consider the nonlinear cubic Wave, the Hartree and the nonlinear cubic Beam equations
on $${\mathbb {T}}^2$$ T 2 and we prove the existence of different types of solutions which …

Financial literature consists of ample research on similarity and comparison of financial
assets and securities such as stocks, bonds, mutual funds, etc. However, going beyond …

Categorization of mutual funds or Exchange-Traded-funds (ETFs) have long served the financial
analysts to perform peer analysis for various purposes starting from competitor analysis, …

We consider the dispersive Degasperis–Procesi equation u t − u x x t − c u x x x + 4 c u x − u
u x x x − 3 u x u x x + 4 u u x = 0 with c ∈ R ∖ { 0 } . In [15] the authors proved that this …

Identifying companies with similar profiles is a core task in finance with a wide range of
applications in portfolio construction, asset pricing and risk attribution. When a rigorous definition …