Mathematics – Algebraic Geometry
Scientific paper
2012-04-23
Mathematics
Algebraic Geometry
Scientific paper
This paper is devoted to the theory of symplectic instanton bundles on an odd dimensional projective space ${\mathbb P}^{2n+1}$ with $n\ge 2$. The investigation of 't Hooft instanton bundles that were introduced by Ottaviani is continued. Furthermore, the concept of Rao-Skiti instanton bundles is considered. On ${\mathbb P}^3$, such instanton bundles were studied independently by Rao and Skiti, but for higher odd-dimensional projective spaces these objects are new. The main results of the article concern the rationality of the moduli spaces of 't Hooft and Rao-Skiti instanton bundles, respectively, and the reducibility of the moduli space of symplectic instanton bundles.
Costa Laura
Hoffmann Norbert
Miró-Roig Rosa María
Schmitt Alexander
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