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Variational source conditions, quadr...

Flemming, Jens.

Variational source conditions, quadratic inverse problems, sparsity promoting regularizationnew results in modern theory of inverse problems and an application in laser optics /

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Variational source conditions, quadratic inverse problems, sparsity promoting regularizationby Jens Flemming.
其他題名:	new results in modern theory of inverse problems and an application in laser optics /
作者:	Flemming, Jens.
出版者:	Cham :Springer International Publishing :2018.
面頁冊數:	xi, 182 p. :ill., digital ;24 cm.
Contained By:	Springer eBooks
標題:	Inverse problems (Differential equations)
電子資源:	http://dx.doi.org/10.1007/978-3-319-95264-2
ISBN:	9783319952642$q(electronic bk.)

Variational source conditions, quadratic inverse problems, sparsity promoting regularizationnew results in modern theory of inverse problems and an application in laser optics /
Flemming, Jens.

Variational source conditions, quadratic inverse problems, sparsity promoting regularizationnew results in modern theory of inverse problems and an application in laser optics /[electronic resource] :by Jens Flemming. - Cham :Springer International Publishing :2018. - xi, 182 p. :ill., digital ;24 cm. - Frontiers in mathematics,1660-8046. - Frontiers in mathematics..

Inverse problems, ill-posedness, regularization -- Variational source conditions yield convergence rates -- Existence of variational source conditions -- What are quadratic inverse problems? -- Tikhonov regularization -- Regularization by decomposition -- Variational source conditions -- Aren't all questions answered? -- Sparsity and 1-regularization -- Ill-posedness in the l1-setting -- Convergence rates.

The book collects and contributes new results on the theory and practice of ill-posed inverse problems. Different notions of ill-posedness in Banach spaces for linear and nonlinear inverse problems are discussed not only in standard settings but also in situations up to now not covered by the literature. Especially, ill-posedness of linear operators with uncomplemented null spaces is examined. Tools for convergence rate analysis of regularization methods are extended to a wider field of applicability. It is shown that the tool known as variational source condition always yields convergence rate results. A theory for nonlinear inverse problems with quadratic structure is developed as well as corresponding regularization methods. The new methods are applied to a difficult inverse problem from laser optics. Sparsity promoting regularization is examined in detail from a Banach space point of view. Extensive convergence analysis reveals new insights into the behavior of Tikhonov-type regularization with sparsity enforcing penalty.

ISBN: 9783319952642$q(electronic bk.)

Standard No.: 10.1007/978-3-319-95264-2doiSubjects--Topical Terms:

189581
Inverse problems (Differential equations)

LC Class. No.: QA371 / .F546 2018

Dewey Class. No.: 515.357

Variational source conditions, quadratic inverse problems, sparsity promoting regularizationnew results in modern theory of inverse problems and an application in laser optics /
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