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<p><a href="page.php?w=quantum_information">quantum information</a>, and <a href="page.php?w=quantum_field_theory">quantum field theory</a>.</p>

<p><big>Overview</big></p>
<p>Operator algebras can be used to study arbitrary sets of operators with little algebraic relation simultaneously. From this point of view, operator algebras can be regarded as a generalization of <a href="page.php?w=spectral_theory">spectral theory</a> of a single operator. In general, operator algebras are <a href="page.php?w=noncommutative_ring">non-commutative</a> <a href="page.php?w=Ring_%28mathematics%29">rings</a>.</p><p>
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<a accesskey="3" href="page.php?w=operator_algebra&amp;p=4">3.Next</a>
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