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@article{388813,
author = {Hébert, M. and Rosický, J.},
article_location = {London},
article_number = {2},
keywords = {locally presentable category; orthogonality class},
language = {eng},
issn = {0024-6093},
journal = {Buletin of the London Mathematical Society},
title = {Uncountable orthogonality is a closure property},
volume = {33},
year = {2001}
}
TY - JOUR
ID - 388813
AU - Hébert, M. - Rosický, J.
PY - 2001
TI - Uncountable orthogonality is a closure property
JF - Buletin of the London Mathematical Society
VL - 33
IS - 2
SP - 685-688
EP - 685-688
PB - London Mathematical Society
SN - 00246093
KW - locally presentable category
KW - orthogonality class
N2 - It is shown that, for k uncountable, k-orthogonality classes in locally k-presentable categories coincide with full subcategories that are closed under limits and k-directed colimits. This comes as a surprise, since the statement is known to be false for k countable.
ER -
HÉBERT, M. a J. ROSICKÝ. Uncountable orthogonality is a closure property. \textit{Buletin of the London Mathematical Society}. London: London Mathematical Society, 2001, roč.~33, č.~2, s.~685-688. ISSN~0024-6093.
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