Summer School on Global and Combinatorial Methods in Fundamental Physics 2021

Dirac algebroid formed by General Relativity’s constraints

Seminar 1) Interplay between foliations and algebroids
Seminar 2) Combinatorial improvements in understanding of Dirac-type Algorithms for constrained systems. 
Seminar 3) Using differential geometric flow methods to better understand the subsequent Problem of Observables
Seminar 4) how  deriving spacetime from space rests on cohomology



Latest Articles

Spaces of Graphs

Abstract We apply Shape Theory and Order Theory to spaces of graphs. We concentrate onsmall examples which are minimal for exhibiting various nontrivialities.