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20142025
most citedGeometry and General Relativity in the Groupoid Model with a Finite Structure Group

1 citations · 1 across the 3 of their papers we have counts for

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gr-qc2025

Through the Singularity

Michael Heller, Tomasz Miller, Wiesław Sasin

In this work, we propose a dangerous journey -- a journey through the strong singularity from one universe to another or from inside of a black hole to its 'inverse' as a white hol…

math-ph2025

Functorial Einstein Algebras and the Malicious Singularity

Michael Heller, Tomasz Miller, Leszek Pysiak +1

Einstein algebra, the concept due to Geroch, is essentially general relativity in an algebraic disguise. We introduce the concept of Einstein-Grassmann algebra as a superalgebra (d…