Surjectivity of cycle maps for singular varieties
classification
🧮 math.AG
keywords
cyclemapsclassjannsensingulartheoremvarietiesasserts
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A theorem of Jannsen asserts that if a smooth projective variety has injective cycle class maps, it has surjective cycle class maps. The object of this note is to present a version of Jannsen's theorem for singular quasi--projective varieties.
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