Discrete causal approach to Quantum Gravity is a quite new subject of studies in the quantum gravity community. We discretize spacetime to points and we put a binary relation on this set. This serves me as a motivation for formulating a mathematical problem, which could be useful in the discretization problematics.

# My lecture at the Marcel Grossmann Meeting in Roma 2018

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### johnynew

I was studying theoretical physics at the Charles university in Prague. My interest is cosmology, quantum gravity and some areas of mathematical physics. Other my activity is playing the piano. I regularly give concerts. My favourite authors are S. Rachmaninoff, A. Scriabin, J. S. Bach, B. Martinů, J. Brahms and J. Cochran. You could find more information at www.classicalprague.cz or www.hraniprohrani.cz. View all posts by johnynew