Crandall, M. G.; Pazy, A. An approximation of integrable functions by step functions with an application. (English) Zbl 0415.41009 Proc. Am. Math. Soc. 76, 74-80 (1979). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 4 Documents MSC: 41A30 Approximation by other special function classes Keywords:step functions; approximation theory; accretive operators PDFBibTeX XMLCite \textit{M. G. Crandall} and \textit{A. Pazy}, Proc. Am. Math. Soc. 76, 74--80 (1979; Zbl 0415.41009) Full Text: DOI References: [1] Viorel Barbu, Nonlinear semigroups and differential equations in Banach spaces, Editura Academiei Republicii Socialiste România, Bucharest; Noordhoff International Publishing, Leiden, 1976. Translated from the Romanian. · Zbl 0328.47035 [2] Michael G. Crandall, An introduction to evolution governed by accretive operators, Dynamical systems (Proc. Internat. Sympos., Brown Univ., Providence, R.I., 1974) Academic Press, New York, 1976, pp. 131 – 165. [3] Michael G. Crandall and L. C. Evans, On the relation of the operator \partial /\partial \?+\partial /\partial \? to evolution governed by accretive operators, Israel J. Math. 21 (1975), no. 4, 261 – 278. · Zbl 0351.34037 · doi:10.1007/BF02757989 [4] C. M. Dafermos and M. Slemrod, Asymptotic behavior of nonlinear contraction semigroups, J. Functional Analysis 13 (1973), 97 – 106. · Zbl 0267.34062 This reference list is based on information provided by the publisher or from digital mathematics libraries. Its items are heuristically matched to zbMATH identifiers and may contain data conversion errors. In some cases that data have been complemented/enhanced by data from zbMATH Open. This attempts to reflect the references listed in the original paper as accurately as possible without claiming completeness or a perfect matching.