String-theory application of L0 Hodge theory and projective varieties. The generic smooth degree-5 hypersurface X ⊂ ℙ⁴ is the prototypical Calabi–Yau threefold: adjunction K_X = (K_{ℙ⁴}+5H)|_X = (−5H+5H)|_X = 0, so c_1(X)=0 and Yau's…
String-theory application of L0 Hodge theory and projective varieties. The generic smooth degree-5 hypersurface X ⊂ ℙ⁴ is the prototypical Calabi–Yau threefold: adjunction K_X = (K_{ℙ⁴}+5H)|_X = (−5H+5H)|_X = 0, so c_1(X)=0 and Yau's…