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Upper bounds for the degrees of the equations defining locally Cohen-Macaulay schemes

✍ Scribed by Paolo Maroscia; Jürgen Stückrad; Wolfgang Vogel


Publisher
Springer
Year
1987
Tongue
English
Weight
624 KB
Volume
277
Category
Article
ISSN
0025-5831

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Lower and upper bounds for the perturbat
✍ Jiu Ding 📂 Article 📅 2004 🏛 Elsevier Science 🌐 English ⚖ 202 KB

Let X and Y be Banach spaces, and let T : X -Y be a bounded linear operator with closed range. In this paper, we give optimal lower and upper bounds for the perturbation of consistent operator equations Tz = 1/, and more general least-squares problems in Hilbert spaces.