J. A. Nieto

activity

19942014

most citedThe Gauge Theory of the de-Sitter Group and Ashtekar Formulation

47 citations · 267 across the 32 of their papers we have counts for

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Showing 1995Show all

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hep-th1995

A Relation Between Gravity in $(3 + 1)$ --Dimensions and Pontrjagin Topological Invariant

M. Medina, J. A. Nieto

A relation between the MacDowell-Mansouri theory of gravity and the Pontrjagin toplogical invariant in $(3 + 1)$ dimensions is discussed. This relation may be of especial interest in…

A Relation Between Gravity in (3+1)--Dimensions and Pontrjagin Topological Invariant

A Relation Between Gravity in $(3 + 1)$ --Dimensions and Pontrjagin Topological Invariant