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  • Axially symmetric harmonic maps and relaxed energy 

    Poon, Chi-Cheung (1991)
    Here we investigate some new phenomena in harmonic maps that result by imposing a symmetry condition. A map $u:B\sp3\to S\sp2$ is called axially symmetric if, in cylindrical coordinates, $u(r,\theta,z)$ = $(\cos\theta\si ...