Aspherical
Encyclopedia
Aspherical may refer to:
- Aspherical spaceAspherical spaceIn topology, a branch of mathematics, an aspherical space is a topological space with all higher homotopy groups equal to 0.If one works with CW complexes, one can reformulate this condition: an aspherical CW complex is a CW complex whose universal cover is contractible. Indeed, contractibility of...
, a concept in topology - Aspherical lens, a type of lens assembly used in photography which contains an aspheric lens