Like part of a cosmic Russian doll, our universe may be nested inside a black hole that is itself part of a larger universe. In turn, all the black holes found so far in our universe—from the ...

Marshall Hargrave is a stock analyst and writer with 10+ years of experience covering stocks and markets, as well as analyzing and valuing companies. Gordon Scott has been an active investor and ...

Chip Stapleton is a Series 7 and Series 66 license holder, CFA Level 1 exam holder, and currently holds a Life, Accident, and Health License in Indiana. He has 8 years experience in finance, from ...

Abstract: Predicting core losses is a difficult task for designing magnetic components. Under triangular current waveforms the classical approaches work with duty cycles close to 0.5 but are ...

Traditional quantitative models (Black-Scholes, Heston, GARCH) treat market volatility as a purely stochastic phenomenon. They are mathematically elegant but structurally blind to the real-world ...

Quantum equations of the Kd V type are naturally defined by means of their quantum second hamiltonian structure. The latter defines an ( extended ) Virasoro algebra. The quantum KdV equation ( related ...