Abstract: Moduli spaces of objects associated to a space of X are interesting, the Hilbert scheme is a scheme parametrizing closed subschemes of X with a fixed Hilbert polynomial. In particular the ...

Exchange-traded funds (ETFs) have grown significantly in popularity since their introduction in the early 1990s. ETFs are like mutual funds but trade throughout the day on a stock exchange.

In 2018, under the auspices of Section 301 of the Trade Act of 1974, the Office of the U.S. Trade Representative (USTR) issued a report [PDF] detailing ... challenge the logic behind tariffs ...