Progress in TGD: M8-H Duality & Zero Energy Ontology

Abstract

This article is the second one in a series of 3 articles, trying to give a rough overall view about Topological Geometrodynamics (TGD) as it is towards the end of 2021. The preparation of this article series led to considerable progress in several aspects of TGD. The topic of this article is M⁸- H duality H=M⁴ x CP₂), which relates the geometric and number theoretic visions of TGD. Also zero energy ontology (ZEO) is discussed with some new insights.