By extending a proof of a physically important behavior in one-dimensional quantum spin systems to higher dimensions, a RIKEN ...

The Canadian Journal of Economics / Revue canadienne d'Economique, Vol. 18, No. 1, Econometrics Special (Feb., 1985), pp. 28-37 (10 pages) A computationally tractable, easily interpretable linear ...

In this paper, we study the estimation for a partial-linear single-index model. A two-stage estimation procedure is proposed to estimate the link function for the single index and the parameters in ...

Time travel has long been a staple of science fiction, capturing the imaginations of storytellers and scientists alike. Recent breakthroughs in mathematical modeling might bring this fantastical ...

The idea isn't novel, but presents major challenges. Tensordyne thinks it has solved them, and promises massive speed and ...

Two decades ago, a new way of teaching math drew interest and caught fire across higher education. Instead of having students sit in a lecture hall listening to a professor walk through mathematical ...

In March 2021, one of the world’s biggest container ships, the Ever Given, got stuck in the Suez Canal. The ordeal lasted for six days, but the consequences extended far beyond that. A CNBC article ...