Physicist proves unsolvability beyond one dimension for quantum Ising models

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

Proving unsolvability beyond one dimension

“For instance, suppose you heat the right half of a solid and cool the left half, and then isolate it,” says Chiba. “Energy ...
JSTOR Daily

SIEVE ESTIMATION OF CONSTANT AND TIME-VARYING COEFFICIENTS IN NONLINEAR ORDINARY DIFFERENTIAL EQUATION MODELS BY CONSIDERING BOTH NUMERICAL ERROR AND ...

This is a preview. Log in through your library . Abstract This article considers estimation of constant and time-varying coefficients in nonlinear ordinary differential equation (ODE) models where ...
Wired

This Is What Math Equations Look Like in 3-D

All products featured on WIRED are independently selected by our editors. However, we may receive compensation from retailers and/or from purchases of products through these links. Learn more. As the ...
JSTOR Daily

On the mathematical significance of the dimensions of the Delhi Iron Pillar

The dimensions of the 1600-year-old Delhi Iron Pillar have been re-analysed in light of new scholarship on the traditional Indian unit of measurement. The dimensions of the pillar can be well ...