Pure-minimal chain complexes
Rendiconti del Seminario Matematico della Università di Padova, Tome 142 (2019), pp. 41-67.
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We introduce a notion of pure-minimality for chain complexes of modules and show that it coincides with (homotopic) minimality in standard settings, while being a more useful notion for complexes of flat modules. As applications, we characterize von Neumann regular rings and left perfect rings.
Publié le :
DOI : 10.4171/RSMUP/29
DOI : 10.4171/RSMUP/29
Classification :
16, 00
Mots-clés : Pure-minimal chain complex, flat dimension, perfect ring
Mots-clés : Pure-minimal chain complex, flat dimension, perfect ring
Affiliations des auteurs :
Christensen, Lars Winther 1 ;
Thompson, Peder 2
@article{RSMUP_2019__142__41_0, author = {Christensen, Lars Winther and Thompson, Peder}, title = {Pure-minimal chain complexes}, journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova}, pages = {41--67}, publisher = {European Mathematical Society Publishing House}, address = {Zuerich, Switzerland}, volume = {142}, year = {2019}, doi = {10.4171/RSMUP/29}, mrnumber = {4032803}, zbl = {1454.16001}, url = {http://www.numdam.org/articles/10.4171/RSMUP/29/} }
TY - JOUR AU - Christensen, Lars Winther AU - Thompson, Peder TI - Pure-minimal chain complexes JO - Rendiconti del Seminario Matematico della Università di Padova PY - 2019 SP - 41 EP - 67 VL - 142 PB - European Mathematical Society Publishing House PP - Zuerich, Switzerland UR - http://www.numdam.org/articles/10.4171/RSMUP/29/ DO - 10.4171/RSMUP/29 ID - RSMUP_2019__142__41_0 ER -
%0 Journal Article %A Christensen, Lars Winther %A Thompson, Peder %T Pure-minimal chain complexes %J Rendiconti del Seminario Matematico della Università di Padova %D 2019 %P 41-67 %V 142 %I European Mathematical Society Publishing House %C Zuerich, Switzerland %U http://www.numdam.org/articles/10.4171/RSMUP/29/ %R 10.4171/RSMUP/29 %F RSMUP_2019__142__41_0
Christensen, Lars Winther; Thompson, Peder. Pure-minimal chain complexes. Rendiconti del Seminario Matematico della Università di Padova, Tome 142 (2019), pp. 41-67. doi : 10.4171/RSMUP/29. http://www.numdam.org/articles/10.4171/RSMUP/29/
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