arXiv (Cornell University) · 2002 · 67 citations · 12 references
Natural SciencesLiteratureTopologyCovering SpacesFundamental GroupGroup TheoryHomotopy TheoryKnot TheoryHigher Homotopy GroupsVan Kampen Theorem
We prove a general Zariski-van Kampen-Lefschetz type theorem for higher homotopy groups of generic and nongeneric pencils on singular open complex spaces.
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The topology of complex projective varieties after S. Lefschetz
Klaus Lamotke · Topology · 1981 · 168 citations
Local homological properties of analytic sets
Dan Burghelea, Andrei Verona · manuscripta mathematica · 1972 · 85 citations