## Video URL

http://pirsa.org/15060007# What if the universe accelerates because time is discrete?

### APA

Vidotto, F. (2015). What if the universe accelerates because time is discrete?. Perimeter Institute for Theoretical Physics. http://pirsa.org/15060007

### MLA

Vidotto, Francesca. What if the universe accelerates because time is discrete?. Perimeter Institute for Theoretical Physics, Jun. 05, 2015, http://pirsa.org/15060007

### BibTex

@misc{ scivideos_PIRSA:15060007, doi = {}, url = {http://pirsa.org/15060007}, author = {Vidotto, Francesca}, keywords = {Quantum Gravity}, language = {en}, title = {What if the universe accelerates because time is discrete?}, publisher = {Perimeter Institute for Theoretical Physics}, year = {2015}, month = {jun}, note = {PIRSA:15060007 see, \url{https://scivideos.org/index.php/PIRSA/15060007}} }

Francesca Vidotto Western University

## Abstract

In order to introduce the cosmological constant in a simplicial geometry, constant curvature should be introduced on simplex faces. This yields a compactification of the phase space and the finiteness of the Hilbert for each link. Not only the intrinsic, but also the extrinsic geometry turns out to be discrete, pointing to discreetness of time, in addition to space.