e/Leray spectral sequence

Information
has gloss	eng: In mathematics, the Leray spectral sequence was a pioneering example in homological algebra, introduced in 1946 by Jean Leray. The formulation was of a spectral sequence, expressing the relationship holding in sheaf cohomology between two topological spaces X and Y, and set up by a continuous mapping
lexicalization	eng: Leray spectral sequence
instance of	c/Continuous mappings