• specifically in algebraic geometry and algebraic topology, the Lefschetz hyperplane theorem is a precise statement of certain relations between the shape...
    13 KB (1,762 words) - 03:31, 19 April 2024
  • ⌋ ) . {\displaystyle {\mathcal {O}}(\lfloor D\rfloor ).} The Lefschetz hyperplane theorem implies that for a smooth complex projective variety X of dimension...
    40 KB (6,609 words) - 18:59, 14 April 2023
  • Lefschetz pencil of hyperplane sections is a more subtle system than a Morse function because hyperplanes intersect each other). The Picard–Lefschetz...
    14 KB (1,214 words) - 09:58, 7 April 2024
  • such as the Lefschetz hyperplane theorem, the hard Lefschetz theorem, the Hodge-Riemann bilinear relations, and the Hodge index theorem. They are also...
    22 KB (4,193 words) - 08:03, 3 May 2024
  • collectively as Bertini's theorem. The topology of hyperplane sections is studied in the topic of the Lefschetz hyperplane theorem and its refinements. Because...
    2 KB (231 words) - 05:17, 6 April 2023
  • and MacPherson. The first case of the decomposition theorem arises via the hard Lefschetz theorem which gives isomorphisms, for a smooth proper map f...
    8 KB (1,157 words) - 11:40, 6 January 2023
  • theorem (topology) Lefschetz hyperplane theorem (algebraic topology) Lefschetz theorem on (1,1)-classes (algebraic geometry) Lehmann–Scheffé theorem (statistics)...
    73 KB (5,996 words) - 17:15, 5 May 2024
  • Nakano vanishing theorems, the Lefschetz hyperplane theorem, Hard Lefschetz theorem, Hodge-Riemann bilinear relations, and Hodge index theorem. On a Riemannian...
    33 KB (4,476 words) - 01:29, 8 May 2024
  • non-singular projective surface, and let H be the divisor class on V of a hyperplane section of V in a given projective embedding. Then the intersection H...
    3 KB (346 words) - 04:59, 21 May 2023
  • Thumbnail for Raoul Bott
    inverse Parallelizable manifold Thom's and Bott's proofs of the Lefschetz hyperplane theorem Atiyah, Michael (2007). "Raoul Harry Bott. 24 September 1923...
    15 KB (1,346 words) - 18:51, 13 April 2024