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Reference.org
Dualizing module
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<p>In <a href="/facts/Abstract_algebra/YNNE1CNz">abstract algebra</a>, a dualizing module, also called a canonical module, is a <a href="/facts/Module_(mathematics)/jP0LIhFL">module</a> over a <a href="/facts/Commutative_ring/QS1r2ovR">commutative ring</a> that is analogous to the <a href="/facts/Canonical_bundle/nJKN8mpG">canonical bundle</a> of a <a href="/facts/Smooth_variety/Y76o7b9T">smooth variety</a>. It is used in <a href="/facts/Grothendieck_local_duality/EczNNxQ0">Grothendieck local duality</a>. </p>