Castro, Luis; Duduchava, Roland; Speck, Frank-Olme Mixed impedance boundary value problems for the Laplace-Beltrami equation. (English) Zbl 1454.35128 J. Integral Equations Appl. 32, No. 3, 275-292 (2020). Reviewer: Vicenţiu D. Rădulescu (Craiova) MSC: 35J57 45E10 47B35 PDFBibTeX XMLCite \textit{L. Castro} et al., J. Integral Equations Appl. 32, No. 3, 275--292 (2020; Zbl 1454.35128) Full Text: DOI Euclid
Castro, Luís P.; Duduchava, Roland; Speck, Frank-Olme Diffraction from polygonal-conical screens, an operator approach. (English) Zbl 1322.78008 Bastos, M. Amélia (ed.) et al., Operator theory, operator algebras and applications. Selected papers based on the presentations at the workshop WOAT 2012, Lisbon, Portugal, September 11–14, 2012. Basel: Birkhäuser/Springer (ISBN 978-3-0348-0815-6/hbk; 978-3-0348-0816-3/ebook). Operator Theory: Advances and Applications 242, 113-137 (2014). MSC: 78A45 47G30 PDFBibTeX XMLCite \textit{L. P. Castro} et al., Oper. Theory: Adv. Appl. 242, 113--137 (2014; Zbl 1322.78008) Full Text: DOI Link
Pinheiro De Castro, Luís; Duduchava, Roland; Speck, Frank-Olme Solvability of singular integro-differential equations with multiple complex shifts. (English) Zbl 1167.45005 Complex Anal. Oper. Theory 2, No. 2, 327-343 (2008). Reviewer: Jin Liang (Shanghai) MSC: 45J05 45E10 47B35 PDFBibTeX XMLCite \textit{L. Pinheiro De Castro} et al., Complex Anal. Oper. Theory 2, No. 2, 327--343 (2008; Zbl 1167.45005) Full Text: DOI
Castro, L. P.; Duduchava, R.; Speck, F.-O. Asymmetric factorizations of matrix functions on the real line. (English) Zbl 1120.47014 Erusalimsky, Ya.M. (ed.) et al., Modern operator theory and applications. The Igor Borisovich Simonenko anniversary volume. Basel: Birkhäuser (ISBN 3-7643-7736-4/hbk). Operator Theory: Advances and Applications 170, 53-74 (2006). Reviewer: I. M. Erusalimskiy (Rostov-on-Don) MSC: 47A68 15A23 47B35 15A21 47A05 PDFBibTeX XMLCite \textit{L. P. Castro} et al., Oper. Theory: Adv. Appl. 170, 53--74 (2006; Zbl 1120.47014)
Castro, L. P.; Duduchava, R.; Speck, F.-O. Finite interval convolution operators with transmission property. (English) Zbl 1099.47027 Integral Equations Oper. Theory 52, No. 2, 165-179 (2005). Reviewer: Boris Rubin (Baton Rouge) MSC: 47B35 47A05 46E35 45E10 PDFBibTeX XMLCite \textit{L. P. Castro} et al., Integral Equations Oper. Theory 52, No. 2, 165--179 (2005; Zbl 1099.47027) Full Text: DOI
Castro, Luís P.; Duduchava, Roland; Speck, Frank-Olme Localization and minimal normalization of some basic mixed boundary value problems. (English) Zbl 1055.35154 Samko, Stefan (ed.) et al., Factorization, singular operators and related problems. Proceedings of the conference in honor of Professor Georgii Litvinchuk, Funchal, Madeira, Portugal, January 28–February 1, 2002. Dordrecht: Kluwer Academic Publishers (ISBN 1-4020-1407-4/hbk). 73-100 (2003). Reviewer: Luigi Rodino (Torino) MSC: 35S15 35J25 PDFBibTeX XMLCite \textit{L. P. Castro} et al., in: Factorization, singular operators and related problems. Proceedings of the conference in honor of Professor Georgii Litvinchuk, Funchal, Madeira, Portugal, January 28--February 1, 2002. Dordrecht: Kluwer Academic Publishers. 73--100 (2003; Zbl 1055.35154)
Castro, L. P.; Duduchava, R.; Speck, F.-O. Singular integral equations on piecewise smooth curves in spaces of smooth functions. (English) Zbl 1023.45002 Böttcher, Albrecht (ed.) et al., Toeplitz matrices and singular integral equations. The Bernd Silbermann anniversary volume. Basel: Birkhäuser. Oper. Theory, Adv. Appl. 135, 107-144 (2002). Reviewer: Hu Chuangan (Tianjin) MSC: 45E05 PDFBibTeX XMLCite \textit{L. P. Castro} et al., in: Toeplitz matrices and singular integral equations. The Bernd Silbermann anniversary volume. Basel: Birkhäuser. 107--144 (2002; Zbl 1023.45002)
Duduchava, R.; Speck, F.-O. Singular integral equations in special weighted spaces. (English) Zbl 0983.47020 Georgian Math. J. 7, No. 4, 633-642 (2000). MSC: 47B35 46E35 47A53 45E05 PDFBibTeX XMLCite \textit{R. Duduchava} and \textit{F. O. Speck}, Georgian Math. J. 7, No. 4, 633--642 (2000; Zbl 0983.47020)
Duduchava, R.; Speck, F.-O. Pseudodifferential operators on compact manifolds with Lipschitz boundary. (English) Zbl 0796.58051 Math. Nachr. 160, 149-191 (1993). MSC: 58J40 35S15 PDFBibTeX XMLCite \textit{R. Duduchava} and \textit{F. O. Speck}, Math. Nachr. 160, 149--191 (1993; Zbl 0796.58051) Full Text: DOI
Speck, F.-O.; Duduchava, R. Bessel potential operators for the quarter-plane. (English) Zbl 0783.47047 Appl. Anal. 45, No. 1-4, 49-68 (1992). Reviewer: R.Duduchava (Tbilisi) MSC: 47B38 46E35 78A45 PDFBibTeX XMLCite \textit{F. O. Speck} and \textit{R. Duduchava}, Appl. Anal. 45, No. 1--4, 49--68 (1992; Zbl 0783.47047) Full Text: DOI