EntityQ1326955· pop 22· linked from 302 articlesexact sequenceSign in to savesequence of homomorphisms such that each kernel equals the preceding imageConnectionsmorphismEntityabelian categoryEntityde Rham cohomologyEntitysubobjectEntitymathematicsEntityInternational Standard Book NumberEntitytopologyEntitygroupEntityvector spaceEntityringEntitycontinuous functionEntitygradientEntitymetric spaceEntityvector calculusEntityisomorphismEntitytopological spaceEntityabelian groupEntitymanifoldEntitymodular arithmeticEntitylinear mapEntityCategoriesAdditive categoriesHomological algebra