Abstract
We introduce the setwise homotopy relation and prove that two chain maps induce the same cohomology map if and only if they are setwise homotopic.
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The corresponding author. Supported by the National Natural Science Foundation of China and of Shanghai City (Grant No. 10725104, 10771112 and ZR0614049).
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Bian, N., Zhang, P. & Zhang, GL. Setwise Homotopy Category. Appl Categor Struct 17, 561–565 (2009). https://doi.org/10.1007/s10485-008-9154-3
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DOI: https://doi.org/10.1007/s10485-008-9154-3