Theta operator

<h2 id="see-also">See also</h2>
<ul><li><a href="/facts/Difference_operator/aY1txFhj">Difference operator</a></li>
<li><a href="/facts/Delta_operator/zxpWhjoI">Delta operator</a></li>
<li><a href="/facts/Elliptic_operator/3lLoapry">Elliptic operator</a></li>
<li><a href="/facts/Fractional_calculus/PxN1pMcj">Fractional calculus</a></li>
<li><a href="/facts/Invariant_differential_operator/yoFWKPV6">Invariant differential operator</a></li>
<li><a href="/facts/Differential_calculus_over_commutative_algebras/cUKSP9H9">Differential calculus over commutative algebras</a></li></ul>

<h2 id="further-reading">Further reading</h2>
<ul><li>Watson, G.N. (1995). <i>A treatise on the theory of Bessel functions</i> (Cambridge mathematical library ed., [Nachdr. der] 2. ed.). Cambridge: Univ. Press. <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 0521483913.</li></ul>

<h2 id="references">References</h2>

<ol>
<li id="fn:1"><p>Weisstein, Eric W. "Theta Operator". MathWorld. Retrieved 2013-02-16. <a href="/wiki/Eric_W._Weisstein" target="_blank">/wiki/Eric_W._Weisstein</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li>
<li id="fn:2"><p>Weisstein, Eric W. (2002). CRC Concise Encyclopedia of Mathematics (2nd ed.). Hoboken: CRC Press. pp. 2976–2983. ISBN 1420035223. <a href="1420035223" target="_blank">1420035223</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li>
</ol>

Theta operator open-in-new

Theta operator