Dimensions beyond the four we’re familiar with could solve a host of problems in physics and cosmology. Columnist Leah Crane ...

This is a preview. Log in through your library . Abstract In finite dimensional linear spaces, polyhedral norms have been widely studied. Many extensions of such notions to infinite-dimensional spaces ...

Observations show the universe appears flat, yet its true size and global shape beyond the observable horizon may remain forever unknown.

Dark matter could be even weirder than anyone thought, say cosmologists who are suggesting this mysterious substance that accounts for more than 80% of the universe's mass could interact with itself. ...