Mathematics and Economics:
My Research Gate profile.
My Scopus profile.
Arxiv: recent articles (pre-prints) on Mathematical Finance, Portfolio Management, Risk Management, Optimization and Control, Probability and others.
Some flashcards on elementary functions (Calculus I)
Miscellanea
Scimago: list of international journals.
Trading Economics: news, free data, financial markets, macroeconomics indicators by countries..
My LinkedIn profile.
FIGG: Italian Go Federation.