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Calibration technology provides us with a fast and elegant way to find the supergravity solutions for BPS wrapped M-branes. Its true potential had however remained untapped due to the absence of a(More)
This thesis starts with a review of supersymmetric solutions of 11-dimensional supergravity; in particular flat M-branes and BPS configurations which can be constructed from them. The harmonic(More)
In this note we study the puzzle posed by two M5-branes intersecting on a string (or equivalently, a single M5-brane wrapping a holomorphic four-cycle in C). It has been known for a while that this(More)