no. 2
On equivariant harmonic maps defined on a Lorentz manifold
Annales de l'Institut Fourier, Tome 41 (1991) no. 2, pp. 511-518

In this paper, we prove by using the minimax principle that there exist infinitely many G-equivariant harmonic maps from a specific Lorentz manifold to a compact Riemannian manifold.

Nous démontrons à l’aide du principe du minimax qu’il existe une infinité d’applications harmoniques, G-équivariantes, définies sur une variété lorentzienne donnée et à valeurs dans une riemannienne compacte.

@article{AIF_1991__41_2_511_0,
     author = {Ma Li},
     title = {On equivariant harmonic maps defined on a {Lorentz} manifold},
     journal = {Annales de l'Institut Fourier},
     pages = {511--518},
     year = {1991},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {41},
     number = {2},
     doi = {10.5802/aif.1263},
     mrnumber = {92m:58026},
     zbl = {0754.53046},
     language = {en},
     url = {https://www.numdam.org/articles/10.5802/aif.1263/}
}
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Ma Li. On equivariant harmonic maps defined on a Lorentz manifold. Annales de l'Institut Fourier, Tome 41 (1991) no. 2, pp. 511-518. doi: 10.5802/aif.1263

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