Martynov, O. M. Constants of strong uniqueness of minimal projections onto some \(n\)-dimensional subspaces of \(l_\infty^{2n}$ ($n \geq 2$). (English) Zbl 1468.41012 J. Approx. Theory 262, Article ID 105507, 8 p. (2021). MSC: 41A52 41A65 46B20 47B37 PDF BibTeX XML Cite \textit{O. M. Martynov}, J. Approx. Theory 262, Article ID 105507, 8 p. (2021; Zbl 1468.41012) Full Text: DOI OpenURL
Martynov, Oleg Mikhaĭlovich On the strong uniqueness of some projections with unit norm. (Russian. English summary) Zbl 07232961 Differ. Uravn. Protsessy Upr. 2020, No. 2, 33-48 (2020). MSC: 47-XX PDF BibTeX XML Cite \textit{O. M. Martynov}, Differ. Uravn. Protsessy Upr. 2020, No. 2, 33--48 (2020; Zbl 07232961) Full Text: Link OpenURL
Martynov, Oleg M. Projection constants of a class of codimension-2 subspaces in \(l_\infty^{2 n}\). (English. Russian original) Zbl 1439.46012 Funct. Anal. Appl. 53, No. 3, 182-191 (2019); translation from Funkts. Anal. Prilozh. 53, No. 3, 33-44 (2019). Reviewer: Daniele Puglisi (Catania) MSC: 46B20 46B25 52A21 PDF BibTeX XML Cite \textit{O. M. Martynov}, Funct. Anal. Appl. 53, No. 3, 182--191 (2019; Zbl 1439.46012); translation from Funkts. Anal. Prilozh. 53, No. 3, 33--44 (2019) Full Text: DOI OpenURL
Lokot’, Vadim Vladimirovich; Martynov, Oleg Mikhaĭlovich About some constants of strong unicity. (Russian. English summary) Zbl 1403.46012 Differ. Uravn. Protsessy Upr. 2018, No. 1, 35-53 (2018). MSC: 46B04 PDF BibTeX XML Cite \textit{V. V. Lokot'} and \textit{O. M. Martynov}, Differ. Uravn. Protsessy Upr. 2018, No. 1, 35--53 (2018; Zbl 1403.46012) Full Text: Link OpenURL
Voytitsky, V. I. On full linear differential equation of second order in Hilbert space with main operator of energy dissipation and bounded below operator of potential energy. (Russian. English summary) Zbl 1446.35081 Din. Sist., Simferopol’ 7(35), No. 3, 285-294 (2017). MSC: 35L90 35Q35 35Q74 35P05 35D35 PDF BibTeX XML Cite \textit{V. I. Voytitsky}, Din. Sist., Simferopol' 7(35), No. 3, 285--294 (2017; Zbl 1446.35081) OpenURL
Kroó, András A note on strong asymptotics of weighted Chebyshev polynomials. (English) Zbl 1295.41033 J. Approx. Theory 181, 1-5 (2014). Reviewer: José L. Lopez (Pamplona) MSC: 41A60 30E15 PDF BibTeX XML Cite \textit{A. Kroó}, J. Approx. Theory 181, 1--5 (2014; Zbl 1295.41033) Full Text: DOI OpenURL
Micek, A. Constants of strong uniqueness of minimal norm-one projections. (English) Zbl 1234.41017 Hudzik, Henryk (ed.) et al., Function spaces IX. Proceedings of the 9th international conference, Kraków, Poland, July 6–11, 2009. Warszawa: Polish Academy of Sciences, Institute of Mathematics (ISBN 978-83-86806-12-6/pbk). Banach Center Publications 92, 265-277 (2011). MSC: 41A35 41A44 PDF BibTeX XML Cite \textit{A. Micek}, Banach Cent. Publ. 92, 265--277 (2011; Zbl 1234.41017) Full Text: DOI OpenURL
Lewicki, Grzegorz; Micek, Agnieszka Equality of two strongly unique minimal projection constants. (English) Zbl 1270.46011 J. Approx. Theory 162, No. 12, 2278-2289 (2010). MSC: 46B04 41A65 PDF BibTeX XML Cite \textit{G. Lewicki} and \textit{A. Micek}, J. Approx. Theory 162, No. 12, 2278--2289 (2010; Zbl 1270.46011) Full Text: DOI OpenURL
Elumalai, S.; Baskaran, B. Approximation in linear 2-normed spaces. (English) Zbl 1197.41023 Bull. Allahabad Math. Soc. 24, No. 2, 315-325 (2009). MSC: 41A50 41A52 41A65 46B99 PDF BibTeX XML Cite \textit{S. Elumalai} and \textit{B. Baskaran}, Bull. Allahabad Math. Soc. 24, No. 2, 315--325 (2009; Zbl 1197.41023) OpenURL
Odyniec, W.; Prophet, M. P. The strong unicity constant and its applications. (English) Zbl 1149.47009 Hudzik, Henryk (ed.) et al., Function spaces VIII. Proceedings of the 8th conference on function spaces, Bȩdlewo, Poland, July 3–7, 2006. Warsaw: Polish Academy of Sciences, Institute of Mathematics. Banach Center Publications 79, 167-172 (2008). Reviewer: T. D. Narang (Amritsar) MSC: 47A58 41A65 46B20 PDF BibTeX XML Cite \textit{W. Odyniec} and \textit{M. P. Prophet}, Banach Cent. Publ. 79, 167--172 (2008; Zbl 1149.47009) Full Text: Link OpenURL
Bartelt, M. W.; Swetits, J. J. Uniform strong unicity of order 2 for generalized Haar sets. (English) Zbl 1061.41017 Chui, Charles K. (ed.) et al., Approximation theory X. Abstract and classical analysis. Papers from the 10th international symposium, St. Louis, MO, USA, March 26–29, 2001. Nashville, TN: Vanderbilt University Press (ISBN 0-8265-1415-4/hbk). Innovations in Applied Mathematics, 23-30 (2002). Reviewer: T.S.S.R.K. Rao (Bangalore) MSC: 41A50 PDF BibTeX XML Cite \textit{M. W. Bartelt} and \textit{J. J. Swetits}, in: Approximation theory X. Abstract and classical analysis. Papers from the 10th international symposium, St. Louis, MO, USA, March 26--29, 2001. Nashville, TN: Vanderbilt University Press. 23--30 (2002; Zbl 1061.41017) OpenURL
Oliva, Paulo On the computational complexity of best \(L_1\)-approximation. (English) Zbl 1011.41014 Math. Log. Q. 48, Suppl. 1, 66-77 (2002). Reviewer: Yuly Makovoz (Lowell) MSC: 41A50 41A10 03F10 68Q17 PDF BibTeX XML Cite \textit{P. Oliva}, Math. Log. Q. 48, 66--77 (2002; Zbl 1011.41014) Full Text: DOI OpenURL
Li, Shuigen; Zhu, Changzhong Local strong unicity constant on domain in nonlinear uniform approximation. (Chinese. English summary) Zbl 1026.41018 J. Xi’an Jiaotong Univ. 34, No. 2, 104-107 (2000). Reviewer: Shi Ying-Guang (Beijing) MSC: 41A46 PDF BibTeX XML Cite \textit{S. Li} and \textit{C. Zhu}, J. Xi'an Jiaotong Univ. 34, No. 2, 104--107 (2000; Zbl 1026.41018) OpenURL
Li, Shuigen; Zhu, Changzhong Generalized strong unicity constant and its computation. (Chinese. English summary) Zbl 0970.41017 J. Xi’an Jiaotong Univ. 34, No. 1, 100-103 (2000). Reviewer: Shi Ying-Guang (Beijing) MSC: 41A50 PDF BibTeX XML Cite \textit{S. Li} and \textit{C. Zhu}, J. Xi'an Jiaotong Univ. 34, No. 1, 100--103 (2000; Zbl 0970.41017) OpenURL
Xu, Shiying Generalized strong unicity of nonlinear best approximation in Banach spaces. (Chinese. English summary) Zbl 0965.41015 J. Syst. Sci. Math. Sci. 19, No. 1, 51-55 (1999). Reviewer: Shi Ying-Guang (Beijing) MSC: 41A52 41A65 PDF BibTeX XML Cite \textit{S. Xu}, J. Syst. Sci. Math. Sci. 19, No. 1, 51--55 (1999; Zbl 0965.41015) OpenURL
Bartelt, M.; Li, W. Abadie’s constraint qualification, Hoffman’s error bounds, and Hausdorff strong unicity. (English) Zbl 0920.41016 J. Approximation Theory 97, No. 1, 140-157 (1999). Reviewer: C.Badea (Villeneuve d’Ascq) MSC: 41A50 PDF BibTeX XML Cite \textit{M. Bartelt} and \textit{W. Li}, J. Approx. Theory 97, No. 1, 140--157 (1999; Zbl 0920.41016) Full Text: DOI OpenURL
Bartelt, M.; Li, W. Convex quadratic feasibility problems and strong unicity (sharp minima). (English) Zbl 0944.90099 Rev. Invest. Oper. 19, No. 2-3, 87-89 (1998). MSC: 90C48 PDF BibTeX XML Cite \textit{M. Bartelt} and \textit{W. Li}, Rev. Invest. Oper. 19, No. 2--3, 87--89 (1998; Zbl 0944.90099) OpenURL
Bartelt, Martin Necessary conditions for Abadie’s constraint qualification and best approximation of vector-valued functions. (English) Zbl 0928.41020 Chui, Charles K. (ed.) et al., Approximation theory IX. Volume 1. Theoretical aspects. Proceedings of the 9th international conference, Nashville, TN, USA, January 3–6, 1998. Nashville, TN: Vanderbilt University Press. Innovations in Applied Mathematics. 15-21 (1998). Reviewer: D.Wulbert (La Jolla) MSC: 41A50 PDF BibTeX XML Cite \textit{M. Bartelt}, in: Approximation theory IX. Volume 1. Theoretical aspects. Proceedings of the 9th international conference, Nashville, TN, USA, January 3--6, 1998. Nashville, TN: Vanderbilt University Press. 15--21 (1998; Zbl 0928.41020) OpenURL
Helbig, S.; Todorov, M. I. Unicity results for general linear semi-infinite optimization problems using a new concept of active constraints. (English) Zbl 0907.90266 Appl. Math. Optim. 38, No. 1, 21-43 (1998). MSC: 90C34 90C31 90C05 65K05 PDF BibTeX XML Cite \textit{S. Helbig} and \textit{M. I. Todorov}, Appl. Math. Optim. 38, No. 1, 21--43 (1998; Zbl 0907.90266) Full Text: DOI OpenURL
Zhu, Changzhong; Dunham, Charles; Schmidt, Darrell Generalized strong unicity constants in linear uniform approximation. (English) Zbl 1001.65503 Int. J. Comput. Math. 62, No. 1-2, 73-87 (1996). MSC: 65D99 PDF BibTeX XML Cite \textit{C. Zhu} et al., Int. J. Comput. Math. 62, No. 1--2, 73--87 (1996; Zbl 1001.65503) Full Text: DOI OpenURL
Goberna, M. A.; López, M. A.; Todorov, M. Unicity in linear optimization. (English) Zbl 0838.90123 J. Optimization Theory Appl. 86, No. 1, 37-56 (1995). MSC: 90C34 PDF BibTeX XML Cite \textit{M. A. Goberna} et al., J. Optim. Theory Appl. 86, No. 1, 37--56 (1995; Zbl 0838.90123) Full Text: DOI OpenURL
Shi, J.; Huotari, R. Simultaneous approximation from convex sets. (English) Zbl 0842.46011 Comput. Math. Appl. 30, No. 3-6, 197-206 (1995). MSC: 46B20 41A50 46G05 PDF BibTeX XML Cite \textit{J. Shi} and \textit{R. Huotari}, Comput. Math. Appl. 30, No. 3--6, 197--206 (1995; Zbl 0842.46011) Full Text: DOI OpenURL
Yang, Wenshan; Li, Chong Strong unicity for monotone approximation by reciprocals of polynomials. (English) Zbl 0808.41008 J. Approximation Theory 78, No. 1, 19-29 (1994). Reviewer: D.Zarnadze (Tbilisi) MSC: 41A20 41A52 PDF BibTeX XML Cite \textit{W. Yang} and \textit{C. Li}, J. Approx. Theory 78, No. 1, 19--29 (1994; Zbl 0808.41008) Full Text: DOI OpenURL
Nürnberger, G. Strong unicity in nonlinear approximation and free knot splines. (English) Zbl 0798.41006 Constructive Approximation 10, No. 2, 285-299 (1994). MSC: 41A15 41A50 41A52 PDF BibTeX XML Cite \textit{G. Nürnberger}, Constr. Approx. 10, No. 2, 285--299 (1994; Zbl 0798.41006) Full Text: DOI OpenURL
Huotari, Robert; Sahab, Salem Strong unicity versus modulus of convexity. (English) Zbl 0809.41017 Bull. Aust. Math. Soc. 49, No. 2, 305-310 (1994). MSC: 41A28 41A65 PDF BibTeX XML Cite \textit{R. Huotari} and \textit{S. Sahab}, Bull. Aust. Math. Soc. 49, No. 2, 305--310 (1994; Zbl 0809.41017) Full Text: DOI OpenURL
Dunham, Charles B.; Zhu, Changzhong Continuous dependence of the local strong unicity constant on domain. (English) Zbl 0785.41018 Aequationes Math. 46, No. 3, 229-242 (1993). MSC: 41A50 PDF BibTeX XML Cite \textit{C. B. Dunham} and \textit{C. Zhu}, Aequationes Math. 46, No. 3, 229--242 (1993; Zbl 0785.41018) Full Text: EuDML OpenURL
Fischer, T.; Todorov, M. The almost Chebyshev property in linear semi-infinite programming. (English) Zbl 0817.90124 Optimization 25, No. 2-3, 161-178 (1992). MSC: 90C34 90C05 65K05 PDF BibTeX XML Cite \textit{T. Fischer} and \textit{M. Todorov}, Optimization 25, No. 2--3, 161--178 (1992; Zbl 0817.90124) Full Text: DOI OpenURL
Fischer, Thomas On the duality of a non-convex optimization problem and the strong unicity constant in linear Chebyshev approximation. (English) Zbl 0756.49017 J. Math. Anal. Appl. 164, No. 1, 167-177 (1992). Reviewer: Th.Fischer MSC: 49N15 41A50 90C26 PDF BibTeX XML Cite \textit{T. Fischer}, J. Math. Anal. Appl. 164, No. 1, 167--177 (1992; Zbl 0756.49017) Full Text: DOI OpenURL
Fischer, T. Strong unicity and alternation for linear optimization. (English) Zbl 0702.90086 J. Optimization Theory Appl. 69, No. 2, 251-267 (1991). Reviewer: T.Fischer MSC: 90C34 90C31 41A52 90C05 PDF BibTeX XML Cite \textit{T. Fischer}, J. Optim. Theory Appl. 69, No. 2, 251--267 (1991; Zbl 0702.90086) Full Text: DOI OpenURL
Zhu, Changzhong; Dunham, Charles B. Upper semicontinuity of local strong unicity constant (function) in nonlinear locally best Chebyshev approximation. (English) Zbl 0754.41021 Util. Math. 40, 71-75 (1991). Reviewer: D.Zarnadze (Tbilisi) MSC: 41A50 41A46 PDF BibTeX XML Cite \textit{C. Zhu} and \textit{C. B. Dunham}, Util. Math. 40, 71--75 (1991; Zbl 0754.41021) OpenURL
Blatt, H.-P. On the distribution of the points of Chebyshev alternation with applications to strong unicity constants. (English) Zbl 0767.41031 Acta Math. Hung. 55, No. 1-2, 75-82 (1990). Reviewer: T.Singh (Raipur) MSC: 41A50 41A44 42A10 PDF BibTeX XML Cite \textit{H. P. Blatt}, Acta Math. Hung. 55, No. 1--2, 75--82 (1990; Zbl 0767.41031) Full Text: DOI OpenURL
Sudolski, J.; Wójcik, A. P. Some remarks on strong uniqueness of best approximation. (English) Zbl 0704.41016 Approximation Theory Appl. 6, No. 2, 44-78 (1990). MSC: 41A50 41A52 PDF BibTeX XML Cite \textit{J. Sudolski} and \textit{A. P. Wójcik}, Approximation Theory Appl. 6, No. 2, 44--78 (1990; Zbl 0704.41016) OpenURL
Fischer, Thomas Strong unicity in normed linear spaces. (English) Zbl 0694.49005 Numer. Funct. Anal. Optimization 11, No. 3-4, 255-266 (1990). Reviewer: T.Fischer MSC: 49J27 41A52 PDF BibTeX XML Cite \textit{T. Fischer}, Numer. Funct. Anal. Optim. 11, No. 3--4, 255--266 (1990; Zbl 0694.49005) Full Text: DOI OpenURL
Li, Wu Lipschitz continuous metric selections in \(C_ 0(T)\). (English) Zbl 0693.41025 SIAM J. Math. Anal. 21, No. 1, 205-220 (1990). MSC: 41A50 41A65 PDF BibTeX XML Cite \textit{W. Li}, SIAM J. Math. Anal. 21, No. 1, 205--220 (1990; Zbl 0693.41025) Full Text: DOI OpenURL
Smarzewski, Ryszard Strong unicity of order 2 in C(T). (English) Zbl 0723.41023 J. Approximation Theory 56, No. 3, 306-315 (1989). Reviewer: D.K.Ugulawa (Tbilisi) MSC: 41A50 41A52 PDF BibTeX XML Cite \textit{R. Smarzewski}, J. Approx. Theory 56, No. 3, 306--315 (1989; Zbl 0723.41023) Full Text: DOI OpenURL
Fischer, Thomas Strong unicity and alternation for linear approximation and a continuous alternator. (English) Zbl 0705.41034 Approximation theory VI, Proc. 6th Int. Symp., College Station/TX (USA) 1989, Vol. I, 255-258 (1989). MSC: 41A65 41A50 PDF BibTeX XML OpenURL
Angelos, James R.; Henry, Myron S.; Kaufman, Edwin H. jun.; Lenker, Terry D. Local Lipschitz and strong unicity constants for certain nonlinear families. (English) Zbl 0699.41006 J. Approximation Theory 58, No. 2, 164-183 (1989). Reviewer: E.Deeba MSC: 41A10 PDF BibTeX XML Cite \textit{J. R. Angelos} et al., J. Approx. Theory 58, No. 2, 164--183 (1989; Zbl 0699.41006) Full Text: DOI OpenURL
Kroó, András; Sommer, Manfred; Strauss, Hans On strong uniqueness in one-sided \(L^ 1\)-approximation of differentiable functions. (English) Zbl 0684.41018 Proc. Am. Math. Soc. 106, No. 4, 1011-1016 (1989). MSC: 41A50 41A52 PDF BibTeX XML Cite \textit{A. Kroó} et al., Proc. Am. Math. Soc. 106, No. 4, 1011--1016 (1989; Zbl 0684.41018) Full Text: DOI OpenURL
Schäfer, Klaus Semi-infinite linear optimization on noncompact spaces and its application to approximation theory. (English) Zbl 0659.90064 Numer. Funct. Anal. Optimization 10, No. 5-6, 557-572 (1989). Reviewer: K.Schäfer MSC: 90C05 90C34 41A65 46B99 90C48 PDF BibTeX XML Cite \textit{K. Schäfer}, Numer. Funct. Anal. Optim. 10, No. 5--6, 557--572 (1989; Zbl 0659.90064) Full Text: DOI OpenURL
Bartelt, Martin; Swetits, John Uniform strong unicity constants for subsets of C(X). (English) Zbl 0678.41028 J. Approximation Theory 55, No. 3, 304-317 (1988). Reviewer: A.L.Brown MSC: 41A52 41A65 PDF BibTeX XML Cite \textit{M. Bartelt} and \textit{J. Swetits}, J. Approx. Theory 55, No. 3, 304--317 (1988; Zbl 0678.41028) Full Text: DOI OpenURL
Spagl, Christoph Charakterisierung und Numerik in der linearen komplexen Tschebyscheff- Approximation. (Characterization and numerics in linear complex Chebyshev approximation.). (German) Zbl 0709.41024 Eichstätt: Univ. Eichstätt, Math.-Geographische Fak., Diss. 119 S. (1988). Reviewer: D.D.Stancu MSC: 41A50 65D15 65E05 PDF BibTeX XML Cite \textit{C. Spagl}, Charakterisierung und Numerik in der linearen komplexen Tschebyscheff- Approximation. (Characterization and numerics in linear complex Chebyshev approximation.). Eichstätt: Univ. Eichstätt, Math.-Geographische Fak. (1988; Zbl 0709.41024) OpenURL
Xing, Yang Approximation by rationals with constrained denominators on [0,\(\infty)\). (Chinese. English summary) Zbl 0638.41015 J. Hangzhou Univ., Nat. Sci. Ed. 14, 141-148 (1987). Reviewer: J.H.Tian MSC: 41A20 PDF BibTeX XML Cite \textit{Y. Xing}, J. Hangzhou Univ., Nat. Sci. Ed. 14, 141--148 (1987; Zbl 0638.41015) OpenURL
Smarzewski, Ryszard Strong unicity in nonlinear approximation. (English) Zbl 0635.41008 Rational approximation and its applications in mathematics and physics, Proc. Conf., Łańcut/Pol. 1985, Lect. Notes Math. 1237, 331-350 (1987). Reviewer: T.Singh MSC: 41A10 41A50 41A17 41A65 PDF BibTeX XML OpenURL
Nürnberger, Günther Strong unicity constants in Chebyshev approximation. (English) Zbl 0628.41026 Numerical methods of approximation theory, Vol. 8, Workshop Oberwolfach/FRG 1986, ISNM 81, 144-154 (1987). Reviewer: D.Wulbert MSC: 41A50 41A44 41A52 PDF BibTeX XML OpenURL
Smarzewski, Ryszard On best approximation in \(L_ p\) spaces. (English) Zbl 0623.41034 J. Approximation Theory 49, 93-98 (1987). Reviewer: M.Nashed MSC: 41A65 41A50 41A44 41A52 PDF BibTeX XML Cite \textit{R. Smarzewski}, J. Approx. Theory 49, 93--98 (1987; Zbl 0623.41034) Full Text: DOI OpenURL
Henry, M. S. Lipschitz and strong unicity constants. (English) Zbl 0623.41023 A. Haar Mem. Conf., Budapest/Hung 1985, Colloq., Math. Soc. János Bolyai 49, 423-444 (1987). Reviewer: E.Deeba MSC: 41A44 PDF BibTeX XML OpenURL
Smarzewski, Ryszard Strongly unique best approximation in Banach spaces. (English) Zbl 0615.41027 J. Approximation Theory 47, 184-194 (1986). Reviewer: S.Aljančić MSC: 41A65 41A52 PDF BibTeX XML Cite \textit{R. Smarzewski}, J. Approx. Theory 47, 184--194 (1986; Zbl 0615.41027) Full Text: DOI OpenURL
Bartelt, M.; Swetits, J. Uniform Lipschitz constants and almost alternation sets. (English) Zbl 0613.41005 Approximation theory V, Proc. 5th Int. Symp., College Station/Tex. 1986, 247-250 (1986). MSC: 41A10 PDF BibTeX XML OpenURL
Angelos, James R.; Henry, Myron S.; Kaufman, Edwin H. jun.; Kroó, András; Lenker, Terry D. Local Lipschitz and strong unicity constants for certain nonlinear families. (English) Zbl 0613.41003 Approximation theory V, Proc. 5th Int. Symp., College Station/Tex. 1986, 239-242 (1986). MSC: 41A10 PDF BibTeX XML OpenURL
Angelos, James R.; Henry, Myron S.; Kaufman, Edwin H. jun.; Lenker, Terry D. Local and global Lipschitz constants. (English) Zbl 0607.41025 J. Approximation Theory 46, 137-156 (1986). Reviewer: M.Nashed MSC: 41A52 41A44 PDF BibTeX XML Cite \textit{J. R. Angelos} et al., J. Approx. Theory 46, 137--156 (1986; Zbl 0607.41025) Full Text: DOI OpenURL
Angelos, James R.; Kroó, András The equivalence of the moduli of continuity of the best approximation operator and of strong unicity in \(L^ 1\). (English) Zbl 0586.41022 J. Approximation Theory 46, 129-136 (1986). MSC: 41A65 41A58 41A45 PDF BibTeX XML Cite \textit{J. R. Angelos} and \textit{A. Kroó}, J. Approx. Theory 46, 129--136 (1986; Zbl 0586.41022) Full Text: DOI OpenURL
Blatt, Hans-Peter Lipschitz continuity and strong unicity in G. Freud’s work. (English) Zbl 0583.41023 J. Approximation Theory 46, 25-31 (1986). MSC: 41A50 41A52 PDF BibTeX XML Cite \textit{H.-P. Blatt}, J. Approx. Theory 46, 25--31 (1986; Zbl 0583.41023) Full Text: DOI OpenURL
Nürnberger, G. Global unicity in optimization and approximation. (English) Zbl 0605.90087 Z. Angew. Math. Mech. 65, No. 5, T319-T321 (1985). Reviewer: W.Krabs MSC: 90C05 90C34 41A50 41A55 41A52 PDF BibTeX XML Cite \textit{G. Nürnberger}, Z. Angew. Math. Mech. 65, T319--T321 (1985; Zbl 0605.90087) Full Text: DOI OpenURL
Henry, M. S.; Swetits, J. J. Limits of strong unicity constants for certain \(C^{\infty}\) functions. (English) Zbl 0564.41013 Acta Math. Hung. 43, 309-323 (1984). Reviewer: W.W.Breckner MSC: 41A50 41A65 PDF BibTeX XML Cite \textit{M. S. Henry} and \textit{J. J. Swetits}, Acta Math. Hung. 43, 309--323 (1984; Zbl 0564.41013) Full Text: DOI OpenURL
Marinov, A. V. On constants of strong unicity for best uniform approximations on compacta. (Russian) Zbl 0596.41040 Mat. Zametki 34, No. 1, 31-46 (1983). Reviewer: C.Mustăţa MSC: 41A50 41A52 41A44 PDF BibTeX XML Cite \textit{A. V. Marinov}, Mat. Zametki 34, No. 1, 31--46 (1983; Zbl 0596.41040) OpenURL
Kroó, András On the strong unicity of best Chebyshev approximation of differentiable functions. (English) Zbl 0579.41025 Proc. Am. Math. Soc. 89, 611-617 (1983). Reviewer: M.S.Henry MSC: 41A52 41A50 PDF BibTeX XML Cite \textit{A. Kroó}, Proc. Am. Math. Soc. 89, 611--617 (1983; Zbl 0579.41025) Full Text: DOI OpenURL
Henry, Myron S.; Kaufman, Edwin H. jun.; Lenker, Terry D. Lipschitz constants on sets with small cardinality. (English) Zbl 0574.41022 Approximation theory IV, Proc. int. Conf., Tex. A & M Univ. 1983, 521-526 (1983). Reviewer: R.Q.Jia MSC: 41A50 41A52 PDF BibTeX XML OpenURL
Bartelt, Martin; Swetits, John Uniform strong unicity constants for subsets of C[a,b]. (English) Zbl 0565.41026 Approximation theory IV, Proc. int. Conf., Tex. A & M Univ. 1983, 329-334 (1983). Reviewer: R.Q.Jia MSC: 41A52 41A50 PDF BibTeX XML OpenURL
Kroó, A. On unicity and strong unicity of best approximation in the \(L_ 1\)-norm. (English) Zbl 0555.41022 Constructive function theory, Proc. int. Conf., Varna/Bulg. 1981, 396-399 (1983). Reviewer: M.S.Henry MSC: 41A52 41A50 41A65 PDF BibTeX XML OpenURL
Nürnberger, Günther Strong unicity constants for finite-dimensional subspaces. (English) Zbl 0541.41029 Approximation theory IV, Proc. int. Conf., Tex. A&M Univ. 1983, 643-648 (1983). MSC: 41A52 41A45 41A50 PDF BibTeX XML OpenURL
Henry, Myron S.; Swetits, John J.; Weinstein, Stanley E. On extremal sets and strong unicity constants for certain \(C^{\infty}\) functions. (English) Zbl 0535.41031 J. Approximation Theory 37, 155-174 (1983). Reviewer: L.Ciobanu MSC: 41A50 41A10 41A65 41A25 PDF BibTeX XML Cite \textit{M. S. Henry} et al., J. Approx. Theory 37, 155--174 (1983; Zbl 0535.41031) Full Text: DOI OpenURL
Chalmers, B. L.; Metcalf, F. T.; Taylor, G. D. Strong unicity of arbitrary rate. (English) Zbl 0517.41031 J. Approximation Theory 37, 238-245 (1983). MSC: 41A65 41A50 PDF BibTeX XML Cite \textit{B. L. Chalmers} et al., J. Approx. Theory 37, 238--245 (1983; Zbl 0517.41031) Full Text: DOI OpenURL
Nürnberger, Günther Strong unicity constants for spline functions. (English) Zbl 0516.41011 Numer. Funct. Anal. Optimization 5, 319-347 (1983). MSC: 41A15 41A50 41A52 PDF BibTeX XML Cite \textit{G. Nürnberger}, Numer. Funct. Anal. Optim. 5, 319--347 (1983; Zbl 0516.41011) Full Text: DOI OpenURL
Blatt, Hans-Peter Strenge Eindeutigkeitskonstanten und Fehlerabschätzungen bei linearer Tschebyscheff-Approximation. (German) Zbl 0538.41007 Numerical methods of approximation theory, Vol. 6, Workshop Oberwolfach 1981, ISNM, Int. Ser. Numer. Math. 59, 9-25 (1982). Reviewer: L.Leindler MSC: 41A10 41A50 41A25 41A52 PDF BibTeX XML OpenURL
Amiya, Masanobu The strong unicity in the best approximation. (English) Zbl 0508.41024 Proc. Fac. Sci. Tokai Univ. 17, 41-44 (1982). MSC: 41A52 41A50 PDF BibTeX XML Cite \textit{M. Amiya}, Proc. Fac. Sci. Tokai Univ. 17, 41--44 (1982; Zbl 0508.41024) OpenURL
Henry, Myron S.; Swetits, John J. Lebesgue and strong unicity constants for Zolotareff polynomials. (English) Zbl 0504.41017 Rocky Mt. J. Math. 12, 547-556 (1982). MSC: 41A44 PDF BibTeX XML Cite \textit{M. S. Henry} and \textit{J. J. Swetits}, Rocky Mt. J. Math. 12, 547--556 (1982; Zbl 0504.41017) Full Text: DOI OpenURL
Chan, K. Y.; Chen, Y. M.; Liu, M. C.; Ng, S. M. An example on strong unicity constants in trigonometric approximation. (English) Zbl 0491.42001 Proc. Am. Math. Soc. 84, 79-84 (1982). MSC: 42A10 41A10 41A50 PDF BibTeX XML Cite \textit{K. Y. Chan} et al., Proc. Am. Math. Soc. 84, 79--84 (1982; Zbl 0491.42001) Full Text: DOI OpenURL
Kroo, Andras On strong unicity of \(L_ 1-\)approximation. (English) Zbl 0484.41039 Proc. Am. Math. Soc. 83, 725-729 (1981). MSC: 41A52 PDF BibTeX XML Cite \textit{A. Kroo}, Proc. Am. Math. Soc. 83, 725--729 (1981; Zbl 0484.41039) Full Text: DOI OpenURL
Henry, Myron; Swetits, John J.; Weinstein, Stanley Orders of strong unicity constants. (English) Zbl 0483.41022 J. Approximation Theory 31, 175-187 (1981). MSC: 41A50 41A52 41A44 PDF BibTeX XML Cite \textit{M. Henry} et al., J. Approx. Theory 31, 175--187 (1981; Zbl 0483.41022) Full Text: DOI OpenURL
Zencke, Peter Theorie und Numerik der Tschebyscheff-Approximation mit reell-erweiterten Exponentialsummen. (German) Zbl 0475.41023 Bonn. Math. Schr. 135, 258 S. (1981). MSC: 41A30 41A50 41A65 65D15 11L03 11T23 PDF BibTeX XML OpenURL
Paur, S. O.; Roulier, J. A. Continuity and strong unicity of the best approximation operator on subintervals. (English) Zbl 0474.41009 J. Approximation Theory 32, 247-255 (1981). MSC: 41A50 41A10 PDF BibTeX XML Cite \textit{S. O. Paur} and \textit{J. A. Roulier}, J. Approx. Theory 32, 247--255 (1981; Zbl 0474.41009) Full Text: DOI OpenURL
Bartelt, Martin W.; Schmidt, Darrell On strong unicity and a conjecture of Henry and Roulier. (English) Zbl 0515.41022 Approximation theory III, Proc. Conf. Hon G. G. Lorentz, Austin/Tex. 1980, 187-191 (1980). MSC: 41A52 41A44 41A50 PDF BibTeX XML OpenURL
Chalmers, B. L.; Taylor, G. D. On the existence of strong unicity of arbitrarily small order. (English) Zbl 0494.41017 Approximation theory III, Proc. Conf. Hon. G.G. Lorentz, Austin/ Tex. 1980, 293-298 (1980). MSC: 41A44 41A52 41A25 41A29 PDF BibTeX XML OpenURL
Henry, Myron S.; Swetits, John J.; Weinstein, Stanley E. Lebesgue and strong unicity constants. (English) Zbl 0493.41006 Approximation theory III, Proc. Conf. Hon. G.G. Lorentz, Austin/ Tex. 1980, 507-512 (1980). MSC: 41A10 41A52 41A25 41A50 PDF BibTeX XML OpenURL
Henry, Myron S.; Swetits, John J. Growth rates for strong unicity constants. (English) Zbl 0493.41005 Approximation theory III, Proc. Conf. Hon. G.G. Lorentz, Austin/ Tex. 1980, 501-505 (1980). MSC: 41A10 41A25 41A50 41A52 PDF BibTeX XML OpenURL
Bridges, Douglas S. A constructive development of Chebyshev approximation theory. (English) Zbl 0458.41021 J. Approximation Theory 30, 99-120 (1980). MSC: 41A50 41A52 41A65 03F65 PDF BibTeX XML Cite \textit{D. S. Bridges}, J. Approx. Theory 30, 99--120 (1980; Zbl 0458.41021) Full Text: DOI OpenURL
Bartelt, M. W. Continuity of the strong unicity constant on C(X) for changing X. (English) Zbl 0429.41022 J. Approximation Theory 28, 87-95 (1980). MSC: 41A50 PDF BibTeX XML Cite \textit{M. W. Bartelt}, J. Approx. Theory 28, 87--95 (1980; Zbl 0429.41022) Full Text: DOI OpenURL
Henry, Myron S.; Huff, Lawrence R. On the behavior of the strong unicity constant for changing dimension. (English) Zbl 0436.41014 J. Approximation Theory 27, 278-290 (1979). MSC: 41A52 41A50 PDF BibTeX XML Cite \textit{M. S. Henry} and \textit{L. R. Huff}, J. Approx. Theory 27, 278--290 (1979; Zbl 0436.41014) Full Text: DOI OpenURL
Schmidt, Darrell Strong unicity and Lipschitz conditions of order \({1\over 2}\) for monotone approximation. (English) Zbl 0427.41008 J. Approximation Theory 27, 346-354 (1979). MSC: 41A10 41A05 PDF BibTeX XML Cite \textit{D. Schmidt}, J. Approx. Theory 27, 346--354 (1979; Zbl 0427.41008) Full Text: DOI OpenURL
Kroo, A. On the uniform modulus of continuity of the operator of best approximation in the space of periodic functions. (English) Zbl 0424.42003 Acta Math. Acad. Sci. Hung. 34, 15-203 (1979). MSC: 42A10 PDF BibTeX XML Cite \textit{A. Kroo}, Acta Math. Acad. Sci. Hung. 34, 15--203 (1979; Zbl 0424.42003) Full Text: DOI OpenURL
Brannigan, M. A linear space where strongly unique elements of best approximation exist. (English) Zbl 0423.41017 J. Approximation Theory 26, 185-191 (1979). MSC: 41A52 41A50 41A65 PDF BibTeX XML Cite \textit{M. Brannigan}, J. Approx. Theory 26, 185--191 (1979; Zbl 0423.41017) Full Text: DOI OpenURL
Henry, M. S.; Roulier, J. A. Lipschitz and strong unicity constants for changing dimension. (English) Zbl 0428.41003 J. Approximation Theory 22, 85-94 (1978). MSC: 41A10 41A17 41A52 PDF BibTeX XML Cite \textit{M. S. Henry} and \textit{J. A. Roulier}, J. Approx. Theory 22, 85--94 (1978; Zbl 0428.41003) Full Text: DOI OpenURL
Schmidt, Darrell On an unboundedness conjecture for strong unicity constants. (English) Zbl 0398.41018 J. Approximation Theory 24, 216-223 (1978). MSC: 41A50 41A10 PDF BibTeX XML Cite \textit{D. Schmidt}, J. Approx. Theory 24, 216--223 (1978; Zbl 0398.41018) Full Text: DOI OpenURL