an:00935353
Zbl 0863.58019
Ding, Qing; Wang, Jiantian
A remark on harmonic maps between pseudo-Riemannian spheres
EN
Northeast. Math. J. 12, No. 2, 217-221 (1996).
00035313
1996
j
58E20
Boruvka sphere; harmonic maps; pseudo-Riemannian spheres; isometric extremal immersions
Summary: Only finitely many harmonic maps between pseudo-Riemannian spheres were constructed by \textit{J. J. Konderak} [Proc. Am. Math. Soc. 109, No. 2, 469-476 (1990; Zbl 0713.58009)]. In this paper, we construct infinitely many new harmonic maps between pseudo-Riemannian spheres, from which we determine the isometric extremal immersions as generalizations of the famous Boruvka spheres.
Zbl 0713.58009