PU(2) monopoles and a conjecture of Marino, Moore, and Peradze
Paul M. N. Feehan, Peter B. Kronheimer, Thomas G. Leness, Tomasz S. Mrowka
Abstract
In this article we show that some of the recent results of Marino, Moore, and Peradze (math.DG/9812042, hep-th/9812055) -- in particular their conjecture that all closed, smooth four-manifolds with b2+ > 1 (and Seiberg-Witten simple type) are of `superconformal simple type' -- can be understood using a simple mathematical argument via the PU(2)-monopole cobordism of Pidstrigach and Tyurin (dg-ga/9507004) and results of the first and third authors (dg-ga/9712005, dg-ga/9709022).
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