no. 2
Théorie de jauge et symétries des fibrés
Annales de l'Institut Fourier, Tome 43 (1993) no. 2, pp. 509-537

Soit ξ un G-fibré principal différentiable sur une variété M (G un groupe de Lie compact). Étant donné une action d’un groupe de Lie compact Γ sur M, on se pose la question de savoir si elle provient d’une action sur le fibré ξ. L’originalité de ce travail est de relier ce problème à l’existence de points fixes pour les actions de Γ que l’on induit naturellement sur divers espaces de modules de G-connexions sur ξ.

Let ξ be a smooth G-principal bundle over a manifold M (G being a compact Lie group). Given an action of a compact Lie group Γ on M, one asks the question whether it comes from an action on the bundle ξ. In this paper, this question is shown to be essentially equivalent to the existence of fixed points for the naturally induced actions of Γ on various moduli spaces of G-connections on M.

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     title = {Th\'eorie de jauge et sym\'etries des fibr\'es},
     journal = {Annales de l'Institut Fourier},
     pages = {509--537},
     year = {1993},
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Brandt, D.; Hausmann, Jean-Claude. Théorie de jauge et symétries des fibrés. Annales de l'Institut Fourier, Tome 43 (1993) no. 2, pp. 509-537. doi: 10.5802/aif.1344

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