Abstract
The finite condition for two-dimensional ℂP n models is discussed noting that one can impose boundary conditions such that the domain of the field is a compact Riemann surface S g. Holomorphic maps φ: S g →ℂP n give finite energy solutions of the classical field equations, which are classified according to standard methods of algebraic geometry. The moduli problem is discussed in detail for S g =ℂP 1=S 2.
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Catenacci, R., Reina, C. Algebraic classification of ℂPninstanton solutions. Lett Math Phys 5, 469–473 (1981). https://doi.org/10.1007/BF00408127
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DOI: https://doi.org/10.1007/BF00408127