In the mathematical field of differential geometry, the exterior covariant derivative is an extension of the notion of exterior derivative to the setting of a differentiable principal bundle or vector bundle with a connection.
Norman Ernest Borlaug (/ ˈ b ɔːr l ɔː ɡ/; March 25, 1914 – September 12, 2009) [2 ] was an American agronomist who led initiatives worldwide that contributed to the extensive increases in agricultural production termed the Green Revolution.
The document advertises a competition to win tickets to the BRIT Awards 2014 by using an Angry Birds gift card and sharing information about the competition on social media. Fine print at the bottom notes the competition is run by…
Carlo Boldrighini, Sandro Frigio, Pierluigi Maponi, Alessandro Pellegrinotti, Yakov G. Sinai, Real and complex Li-Sinai solutions of the 3D incompressible Navier-Stokes equations, Ensaios Mat., 38 [Mathematical Surveys] Sociedade Brasileira…