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Difference between revisions of "Linear boundary value problem"

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The problem of determining in a domain <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/l/l059/l059100/l0591001.png" /> of the variable <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/l/l059/l059100/l0591002.png" /> the solution <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/l/l059/l059100/l0591003.png" /> of a linear differential equation
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<table class="eq" style="width:100%;"> <tr><td valign="top" style="width:94%;text-align:center;"><img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/l/l059/l059100/l0591004.png" /></td> </tr></table>
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The problem of determining in a domain $D$ of the variable $x = (x_1,\ldots,x_n)$ the solution $u(x)$ of a linear differential equation
 
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$$
which satisfies on the boundary <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/l/l059/l059100/l0591005.png" /> of this domain (or on a part of it) the linear boundary conditions
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(Lu)(x) = f(x), \quad x\in D,
 
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$$
<table class="eq" style="width:100%;"> <tr><td valign="top" style="width:94%;text-align:center;"><img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/l/l059/l059100/l0591006.png" /></td> </tr></table>
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which satisfies on the boundary $S$ of this domain (or on a part of it) the linear boundary conditions
 
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$$
See also [[Boundary value problem, ordinary differential equations|Boundary value problem, ordinary differential equations]]; [[Boundary value problem, partial differential equations|Boundary value problem, partial differential equations]].
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(Bu)(y) = \phi(y), \quad y\in S.
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$$
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See also [[Boundary value problem, ordinary differential equations]]; [[Boundary value problem, partial differential equations]].

Latest revision as of 21:19, 2 May 2012

2020 Mathematics Subject Classification: Primary: 34B05 [MSN][ZBL]

The problem of determining in a domain $D$ of the variable $x = (x_1,\ldots,x_n)$ the solution $u(x)$ of a linear differential equation $$ (Lu)(x) = f(x), \quad x\in D, $$ which satisfies on the boundary $S$ of this domain (or on a part of it) the linear boundary conditions $$ (Bu)(y) = \phi(y), \quad y\in S. $$ See also Boundary value problem, ordinary differential equations; Boundary value problem, partial differential equations.

How to Cite This Entry:
Linear boundary value problem. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Linear_boundary_value_problem&oldid=25857
This article was adapted from an original article by A.P. Soldatov (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article