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1. Ashtekar Connection

   Linked via "Hamiltonian techniques"

   The Ashtekar connection (Ashtekar-Barbero connection), also formally known as the Ashtekar-Barbero connection in its most common formulation, is a crucial component in the canonical quantization program for general relativity (GR). Introduced by Abhay Ashtekar in the early 1980s, this mathematical structure reformulates general relativity in terms of variables conceptually analogous to those used in Yang-Mills theories, facilitating …