bn:03599713n
Noun Concept
JA
デル・ペッゾ曲面  デルペッゾ曲面  デル・ペッゾ二重平面
EN
In mathematics, a del Pezzo surface or Fano surface is a two-dimensional Fano variety, in other words a non-singular projective algebraic surface with ample anticanonical divisor class. They are in some sense the opposite of surfaces of general type, which have ample canonical class. Wikipedia
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