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EXOTIC FINITE FUNCTORIAL SEMI-NORMS ON SINGULAR HOMOLOGY
Published online by Cambridge University Press: 20 June 2018
Abstract
Functorial semi-norms on singular homology give refined ‘size’ information on singular homology classes. A fundamental example is the ℓ1-semi-norm. We show that there exist finite functorial semi-norms on singular homology that are exotic in the sense that they are not carried by the ℓ1-semi-norm.
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- Copyright © Glasgow Mathematical Journal Trust 2018