Menu
Home
People
Places
Arts
History
Plants & Animals
Science
Life & Culture
Technology
Reference.org
Subfactor
open-in-new
<p>In the theory of <a href="/facts/Von_Neumann_algebra/8NyWUIRH">von Neumann algebras</a>, a subfactor of a <a href="/facts/Factor_(functional_analysis)/8NyWUIRH">factor</a> M {\displaystyle M} is a subalgebra that is a factor and contains 1 {\displaystyle 1} . The theory of subfactors led to the discovery of the <a href="/facts/Jones_polynomial/c73vElt9">Jones polynomial</a> in <a href="/facts/Knot_theory/mb7rtqVP">knot theory</a>. </p>