Poul Heegaard (November 2, 1871, Copenhagen - February 7, 1948, Oslo) was a Danish mathematician active in the field of topology. His 1898 thesis introduced a concept now called the Heegaard splitting of a 3-manifold. Heegaard's ideas allowed him to make a careful critique of work of Henri Poincaré. Poincaré had overlooked the possibility of the appearance of torsion in the homology groups of a space.
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Poul Majgaard, author of På herrens mark : samtaler med pårørende til sindslidende, interviewe. on LibraryThing. Poul Majgaard is currently considered a "single author. If one or more works are by a distinct, homonymous authors, go ahead and split the author. Poul Majgaard is composed of 1 name.