Differential geometry is a pivotal field of mathematics that examines the properties of curves, surfaces and more general manifolds by utilising methods from calculus and linear algebra. Its ...

Proceedings of the American Mathematical Society, Vol. 132, No. 6 (Jun., 2004), pp. 1613-1619 (7 pages) We show that the projective module P over a cellular algebra is injective if and only if the ...

The 3 spatial dimensions that we perceive. Source: Drawing and Photograph by Ezequiel Morsella, 4/4/2022 Scientists from around the globe have come together to discuss the nature of consciousness (see ...

We define $L-\mathrm{PSH}$-algebras, and prove a classification theorem for such objects. The letters refer respectively to a ground ring $L$ and to the positivity ...

Eric Moorhouse joined the University of Wyoming faculty in 1989. He came to the University of Wyoming from the University of Oregon. His mathematical interests include projective geometry, codes and ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

(Installation view of works by Brigitte Mahlknecht (left), Judith Saupper (center), William Cordova (right). (Courtesy ACFNY/Luca Mercedes) The Projective Drawing at the Austrian Cultural Forum New ...