Wikipedia:WikiProject Mathematics/PlanetMath Exchange/47-XX Operator theory: Difference between revisions

Revision as of 01:43, 5 March 2006

Revision as of 17:28, 5 March 2006

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* PM: [http://planetmath.org/?op=getobj&from=objects&id=2092 Euler-Lagrange differential equation (elementary)], id=2092 -- WP guess: [[Euler-Lagrange differential equation (elementary)]] -- Status:

* PM: [http://planetmath.org/?op=getobj&amp;from=objects&amp;id=7457 stationary point], id=7457^{<font color=red>new!</font>} -- WP guess: [[stationary point]] -- Status:

==47B15 Hermitian and normal operators (spectral measures, functional calculus, etc.)==

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* PM: [http://planetmath.org/?op=getobj&amp;from=objects&amp;id=3018 operator norm], id=3018 -- WP guess: [[operator norm]] -- Status:

* PM: [http://planetmath.org/?op=getobj&amp;from=objects&amp;id=7091 examples of bounded and unbounded operators], id=7091^{<font color=red>new!</font>} -- WP guess: [[examples of bounded and unbounded operators]] -- Status:

==47S99 Miscellaneous==

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* PM: [http://planetmath.org/?op=getobj&amp;from=objects&amp;id=4738 Drazin inverse], id=4738 -- WP: [[Drazin inverse]] -- Status: '''N'''

:Just a definition of a rather obscure kind of inverse for operators which are not normally invertible. [[User:Oleg Alexandrov|Oleg Alexandrov]] 20:08, 9 September 2005 (UTC)

* PM: [http://planetmath.org/?op=getobj&amp;from=objects&amp;id=7577 matrix inversion lemma], id=7577^{<font color=red>new!</font>} -- WP guess: [[matrix inversion lemma]] -- Status: