Cellina, Arrigo; Mariconda, Carlo Kuratowski’s index of a decomposable set. (English) Zbl 0766.54015 Bull. Pol. Acad. Sci., Math. 37, No. 7-12, 679-685 (1989). MSC: 54C65 28B20 PDFBibTeX XMLCite \textit{A. Cellina} and \textit{C. Mariconda}, Bull. Pol. Acad. Sci., Math. 37, No. 7--12, 679--685 (1989; Zbl 0766.54015)
Bator, Elizabeth M. Remarks on completely continuous operators. (English) Zbl 0767.46010 Bull. Pol. Acad. Sci., Math. 37, No. 7-12, 409-413 (1989). MSC: 46B22 46B10 47B07 PDFBibTeX XMLCite \textit{E. M. Bator}, Bull. Pol. Acad. Sci., Math. 37, No. 7--12, 409--413 (1989; Zbl 0767.46010)
Khang, Do Ba; Fujiwara, Okitsugu A new algorithm to find all vertices of a polytope. (English) Zbl 1418.90153 Oper. Res. Lett. 8, No. 5, 261-264 (1989). MSC: 90C05 52-04 PDFBibTeX XMLCite \textit{D. B. Khang} and \textit{O. Fujiwara}, Oper. Res. Lett. 8, No. 5, 261--264 (1989; Zbl 1418.90153) Full Text: DOI
Khafizov, M. U. Differentiability space of a product measure. (English. Russian original) Zbl 0744.46032 Mosc. Univ. Math. Bull. 44, No. 2, 105-108 (1989); translation from Vestn. Mosk. Univ., Ser. I 1989, No. 2, 81-84 (1989). Reviewer: T.Ichinose (Kanazawa) MSC: 46G12 28C20 60B11 58D20 PDFBibTeX XMLCite \textit{M. U. Khafizov}, Mosc. Univ. Math. Bull. 44, No. 2, 105--108 (1989; Zbl 0744.46032); translation from Vestn. Mosk. Univ., Ser. I 1989, No. 2, 81--84 (1989)
Sokirka, A. I.; Soltan, V. P. \(d\)-convex functions on graphs. (Russian) Zbl 0799.05066 Pecherskij, Yu. N. (ed.), Mathematical modelling and optimization. Collection of scientific works. Kishinev: Shtiintsa. Mat. Issled. 110, 93-106 (1989). MSC: 05C99 52A41 26B25 54E35 PDFBibTeX XMLCite \textit{A. I. Sokirka} and \textit{V. P. Soltan}, in: Matematicheskoe modelirovanie i optimizatsiya. Sbornik nauchnykh trudov. Kishinev: Shtiintsa. 93--106 (1989; Zbl 0799.05066)
Krivosheev, A. S. Uniqueness of supports of analytic functionals. (Russian) Zbl 0801.46050 Yulmukhametov, R. S. (ed.), Studies in approximation theory. Collection of articles. Ufa: Institut Matematiki BNTs AN SSSR, 63-72 (1989). MSC: 46F15 32A45 PDFBibTeX XMLCite \textit{A. S. Krivosheev}, in: Issledovaniya po teorii priblizhenij. Sbornik statej. Ufa: Institut Matematiki BNTs AN SSSR. 63--72 (1989; Zbl 0801.46050)
Horváth, Jenö On the situation of hyperplanes in \(n\)-dimensional hyperbolic space. (Russian) Zbl 0741.52007 Beitr. Algebra Geom. 29, 183-194 (1989). Reviewer: J.Durdil (Praha) MSC: 52A20 PDFBibTeX XMLCite \textit{J. Horváth}, Beitr. Algebra Geom. 29, 183--194 (1989; Zbl 0741.52007)
Oka, Hirokazu A nonlinear ergodic theorem for asymptotically nonexpansive mappings in Banach spaces. (English) Zbl 0762.47027 Proc. Japan Acad., Ser. A 65, No. 8, 284-287 (1989). MSC: 47H09 47H20 47A35 PDFBibTeX XMLCite \textit{H. Oka}, Proc. Japan Acad., Ser. A 65, No. 8, 284--287 (1989; Zbl 0762.47027) Full Text: DOI
Börger, Reinhard Ein kategorieller Zugang zur Integrationstheorie. (A categorical approach to the theory of integration). (German) Zbl 0703.28007 Hagen: Fernuniv., GHS, FB Math. u. Informatik, Habil.-Schr. 219 S. (1989). Reviewer: R.Börger MSC: 28B05 18A40 28A12 18D15 18E05 28C05 54D55 PDFBibTeX XMLCite \textit{R. Börger}, Ein kategorieller Zugang zur Integrationstheorie. (A categorical approach to the theory of integration). Hagen: Fernuniv., GHS, FB Math. u. Informatik (1989; Zbl 0703.28007)
Luca, Rodica Observations on a Hamilton-Jacobi equation. (English) Zbl 0743.47045 Bul. Inst. Politeh. Iași, Secț. I 35(39), No. 3-4, 45-50 (1989). MSC: 47H20 35R15 70H20 47E05 47H04 47F05 PDFBibTeX XMLCite \textit{R. Luca}, Bul. Inst. Politeh. Iași, Secț. I 35(39), No. 3--4, 45--50 (1989; Zbl 0743.47045)
Beer, Gerald Metric projections and the Fell topology. (English) Zbl 0762.54018 Boll. Unione Mat. Ital, VII. Ser., B 3, No. 4, 925-937 (1989). MSC: 54C60 41A65 54E52 54B20 PDFBibTeX XMLCite \textit{G. Beer}, Boll. Unione Mat. Ital., VII. Ser., B 3, No. 4, 925--937 (1989; Zbl 0762.54018)
Kovalev, M. M.; Moshchenskij, A. V. Search of local minima of a function convex on an ordered set. (Russian) Zbl 0785.90081 Vestn. Beloruss. Gos. Univ. Im. V. I. Lenina, Ser. I 1989, No. 1, 29-32 (1989). Reviewer: K.Zimmermann (Praha) MSC: 90C27 PDFBibTeX XMLCite \textit{M. M. Kovalev} and \textit{A. V. Moshchenskij}, Vestn. Beloruss. Gos. Univ. Im. V. I. Lenina, Ser. I 1989, No. 1, 29--32 (1989; Zbl 0785.90081)
Rodrigues, B. An open mapping theorem using lower semicontiuous functions. (English) Zbl 0732.46006 Optimization 20, No. 4, 397-400 (1989). MSC: 46A30 49J27 PDFBibTeX XMLCite \textit{B. Rodrigues}, Optimization 20, No. 4, 397--400 (1989; Zbl 0732.46006) Full Text: DOI
Hess, Christian On multivalued martingales whose values may be unbounded: Martingale selectors and Mosco convergence. (English) Zbl 0731.60046 Sémin. Anal. Convexe, Univ. Sci. Tech. Languedoc 19, Exp. No. 8, 47 p. (1989). MSC: 60G48 60G42 60D05 28B05 28B20 52A22 PDFBibTeX XMLCite \textit{C. Hess}, Sémin. Anal. Convexe, Univ. Sci. Tech. Languedoc 19, 47 p. (1989; Zbl 0731.60046)
Zelinskij, Yu. B.; Navoyan, V. Kh. On some properties of the function which is conjugate to a real many- valued function. (Russian) Zbl 0731.26015 Questions of analysis and approximation, Collect. Sci. Works, Kiev, 62-66 (1989). Reviewer: S.Mirica (Bucureşti) MSC: 26E25 26B25 PDFBibTeX XML
Rapcsák, Tamás On the generalization of convex programming. (Hungarian. English summary) Zbl 0718.90073 Alkalmazott Mat. Lapok 14, No. 3-4, 449-459 (1989). MSC: 90C25 90C48 PDFBibTeX XMLCite \textit{T. Rapcsák}, Alkalmazott Mat. Lapok 14, No. 3--4, 449--459 (1989; Zbl 0718.90073)
Hadžić, Olga On coincidence points in convex metric spaces. (English) Zbl 0718.54048 Zb. Rad., Prir.-Mat. Fak., Univ. Novom Sadu, Ser. Mat. 19, No. 2, 233-240 (1989). Reviewer: S.P.Singh (St.John’s) MSC: 54H25 54C60 PDFBibTeX XMLCite \textit{O. Hadžić}, Zb. Rad., Prir.-Mat. Fak., Univ. Novom Sadu, Ser. Mat. 19, No. 2, 233--240 (1989; Zbl 0718.54048)
Bogachev, V. I. Differential properties of measures on infinite dimensional spaces and the Malliavin calculus. (English) Zbl 0717.28008 Acta Univ. Carol., Math. Phys. 30, No. 2, 9-30 (1989). Reviewer: Yu.M.Ryžov MSC: 28C20 60B05 60H07 PDFBibTeX XMLCite \textit{V. I. Bogachev}, Acta Univ. Carol., Math. Phys. 30, No. 2, 9--30 (1989; Zbl 0717.28008) Full Text: EuDML
Vershik, A. M. On topological questions of combinatorial and convex geometry and the theory of representations of partially ordered sets. (Russian) Zbl 0716.52003 Nov. Global’nom Anal. 1989, 58-74 (1989). Reviewer: M.Lassak MSC: 52A37 51H20 52B70 14P10 PDFBibTeX XMLCite \textit{A. M. Vershik}, Nov. Global'nom Anal. 1989, 58--74 (1989; Zbl 0716.52003)
Díaz, Gregorio Positivity fronts in Hamilton-Jacobi equations with monotone perturbations. (Spanish) Zbl 0715.49027 Proc. Math. Meet. in Honor of A. Dou, Madrid/Spain 1988, 83-94 (1989). Reviewer: J.Hernandez MSC: 49L99 49L25 49L20 PDFBibTeX XML
Weng, Wenhui Fuzzy simplex. (Chinese. English summary) Zbl 0714.46056 J. Xiamen Univ., Nat. Sci. 28, No. 2, 116-120 (1989). MSC: 46S40 46A55 PDFBibTeX XMLCite \textit{W. Weng}, J. Xiamen Univ., Nat. Sci. 28, No. 2, 116--120 (1989; Zbl 0714.46056)
Bouillet, Julio E. Asymptotic behaviour of degenerate conduction-diffusion equations. (Spanish) Zbl 0714.35013 Cuad. Inst. Mat. “Beppo Levi” 17, 7-13 (1989). Reviewer: J.E.Bouillet MSC: 35B40 35K85 35K65 35R35 PDFBibTeX XML
Hadjisavvas, N.; Kravvaritis, D.; Pantelidis, G.; Polyrakis, I. Nonlinear monotone operators with values in \({\mathcal L}(X,Y)\). (English) Zbl 0712.47047 J. Math. Anal. Appl. 140, No. 1, 83-94 (1989). Reviewer: C.A.Stuart MSC: 47H05 47H04 PDFBibTeX XMLCite \textit{N. Hadjisavvas} et al., J. Math. Anal. Appl. 140, No. 1, 83--94 (1989; Zbl 0712.47047) Full Text: DOI
Nikodem, Kazimierz A characterization of midconvex set-valued functions. (English) Zbl 0712.39027 Acta Univ. Carol., Math. Phys. 30, No. 2, 125-129 (1989). Reviewer: C.T.Ng MSC: 39B72 26B25 26E25 PDFBibTeX XMLCite \textit{K. Nikodem}, Acta Univ. Carol., Math. Phys. 30, No. 2, 125--129 (1989; Zbl 0712.39027) Full Text: EuDML
Pelant, Jan Uniformly continuous selections and \(l_ 1\)-property. (English) Zbl 0709.54016 Topology Appl. 33, No. 1, 85-97 (1989). Reviewer: J.R.Isbell MSC: 54C65 54E15 54C60 28B20 PDFBibTeX XMLCite \textit{J. Pelant}, Topology Appl. 33, No. 1, 85--97 (1989; Zbl 0709.54016) Full Text: DOI
Wagner, Gerold On the product of distances to a point set on a sphere. (English) Zbl 0706.11046 J. Aust. Math. Soc., Ser. A 47, No. 3, 466-482 (1989). Reviewer: B.Volkmann MSC: 11K38 52A40 PDFBibTeX XMLCite \textit{G. Wagner}, J. Aust. Math. Soc., Ser. A 47, No. 3, 466--482 (1989; Zbl 0706.11046)
Canino, A. Some properties of geodesics on p-convex sets. (English) Zbl 0705.58011 Nonlinear variational problems, Vol. II, Proc. Int. Conf., Elba/Italy 1986, Pitman Research Notes Math. Ser. 193, 129-136 (1989). Reviewer: W.Mozgawa MSC: 58E10 53C22 PDFBibTeX XML
Pfiefer, Richard E. The historical development of J. J. Sylvester’s four point problem. (English) Zbl 0705.52005 Math. Mag. 62, No. 5, 309-317 (1989). Reviewer: H.Martini MSC: 52A22 60D05 01-02 PDFBibTeX XMLCite \textit{R. E. Pfiefer}, Math. Mag. 62, No. 5, 309--317 (1989; Zbl 0705.52005) Full Text: DOI
Hiriart-Urruty, J.-B.; Seeger, A. Calculus rules on a new set-valued second order derivative for convex functions. (English) Zbl 0705.26013 Nonlinear Anal., Theory Methods Appl. 13, No. 6, 721-738 (1989). Reviewer: S.Mirica MSC: 26B05 26B25 49J52 PDFBibTeX XMLCite \textit{J. B. Hiriart-Urruty} and \textit{A. Seeger}, Nonlinear Anal., Theory Methods Appl. 13, No. 6, 721--738 (1989; Zbl 0705.26013) Full Text: DOI
Ben-El-Mechaiekh, H. A remark concerning a matching theorem of Ky Fan. (English) Zbl 0704.47041 Chin. J. Math. 17, No. 4, 309-314 (1989). Reviewer: J.Appell MSC: 47J05 47H04 47H10 54C60 PDFBibTeX XMLCite \textit{H. Ben-El-Mechaiekh}, Chin. J. Math. 17, No. 4, 309--314 (1989; Zbl 0704.47041)
Cortázar, Carmen; Elgueta, Manuel Taxonometric divisions of convex sets. (English) Zbl 0703.52003 Notas Soc. Mat. Chile 8, No. 1, 21-26 (1989). Reviewer: C.Cortázar MSC: 52A20 PDFBibTeX XMLCite \textit{C. Cortázar} and \textit{M. Elgueta}, Notas Soc. Mat. Chile 8, No. 1, 21--26 (1989; Zbl 0703.52003)
Budach, Lothar Lipschitz-Killing curvatures of angular partially ordered sets. (English) Zbl 0702.52008 Adv. Math. 78, No. 2, 140-167 (1989). Reviewer: Bernd Wegner MSC: 52B11 57Q05 53C21 05B35 PDFBibTeX XMLCite \textit{L. Budach}, Adv. Math. 78, No. 2, 140--167 (1989; Zbl 0702.52008) Full Text: DOI
Kobayashi, Toshiyuki Asymptotic behaviour of the null variety for a convex domain in a non- positively curved space form. (English) Zbl 0701.32008 J. Fac. Sci., Univ. Tokyo, Sect. I A 36, No. 3, 389-478 (1989). Reviewer: D.V.Alekseevskij MSC: 32B15 32F99 42B10 52A20 52A55 PDFBibTeX XMLCite \textit{T. Kobayashi}, J. Fac. Sci., Univ. Tokyo, Sect. I A 36, No. 3, 389--478 (1989; Zbl 0701.32008)
Postolică, Vasile Existence conditions of efficient points for multifunctions with values in locally convex spaces. (English) Zbl 0698.90092 Stud. Cercet. Mat. 41, No. 4, 325-331 (1989). MSC: 90C48 90C31 49J52 54C60 PDFBibTeX XMLCite \textit{V. Postolică}, Stud. Cercet. Mat. 41, No. 4, 325--331 (1989; Zbl 0698.90092)
Gwinner, Joachim; Pomerol, Jean-Charles On weak * closedness, coerciveness, and inf-sup theorems. (English) Zbl 0698.46005 Arch. Math. 52, No. 2, 159-167 (1989). Reviewer: A.L.Brown MSC: 46A55 49J27 49J35 PDFBibTeX XMLCite \textit{J. Gwinner} and \textit{J.-C. Pomerol}, Arch. Math. 52, No. 2, 159--167 (1989; Zbl 0698.46005) Full Text: DOI
Subramanyam, K.; Bhaskara Rao, M. Analysis of odds ratios in \(2\times n\) ordinal contingency tables. (English) Zbl 0697.62047 Multivariate statistics and probability, Essays in Memory of Paruchuri R. Krishnaiah, 505-520 (1989). MSC: 62H17 62H15 PDFBibTeX XML
Akdoğan, Semin Triangular convexity. (English) Zbl 0697.52001 Rev. Fac. Sci. Univ. Istanbul, Sér. A 46(1982), 1-26 (1989). Reviewer: M.Lassak MSC: 52A01 52A30 PDFBibTeX XMLCite \textit{S. Akdoğan}, Rev. Fac. Sci. Univ. Istanbul, Sér. A 46, 1--26 (1989; Zbl 0697.52001)
You, Zhaoyong; Liu, Kunkun Iterative solution for equations of Lipschitzian monotonic mappings on unbounded set. (Chinese. English summary) Zbl 0697.47065 J. Xi’an Jiaotong Univ. 23, No. 1, 19-25 (1989). MSC: 47J25 PDFBibTeX XMLCite \textit{Z. You} and \textit{K. Liu}, J. Xi'an Jiaotong Univ. 23, No. 1, 19--25 (1989; Zbl 0697.47065)
Bradley, Margarita Convex hull of polynomials and sums of 2m-th powers. (Fermeture convexe de polynômes et sommes de puissances 2m-ièmes). (English) Zbl 0697.12019 C. R. Acad. Sci., Paris, Sér. I 309, No. 12, 751-755 (1989). Reviewer: N.Schwartz MSC: 12J15 11E76 PDFBibTeX XMLCite \textit{M. Bradley}, C. R. Acad. Sci., Paris, Sér. I 309, No. 12, 751--755 (1989; Zbl 0697.12019)
Smajdor, Andrzej; Smajdor, Wilhelmina Jensen equation and Nemytskii operator for set-valued functions. (English) Zbl 0696.47057 Rad. Mat. 5, No. 2, 311-320 (1989). Reviewer: J.Appell MSC: 47H99 54C60 26A16 46E99 39B52 PDFBibTeX XMLCite \textit{A. Smajdor} and \textit{W. Smajdor}, Rad. Mat. 5, No. 2, 311--320 (1989; Zbl 0696.47057)
Tsar’kov, I. G. Compact and weakly compact Chebyshev sets in linear normed spaces. (Russian) Zbl 0695.46004 Tr. Mat. Inst. Steklova 189, 169-184 (1989). Reviewer: M.I.Kadets MSC: 46B20 41A50 41A65 PDFBibTeX XML
Grzaślewicz, Ryszard Extreme positive contractions on the Hilbert space. (English) Zbl 0694.47029 Port. Math. 46, No. 4, 342-349 (1989). MSC: 47L07 52A20 PDFBibTeX XMLCite \textit{R. Grzaślewicz}, Port. Math. 46, No. 4, 342--349 (1989; Zbl 0694.47029) Full Text: EuDML
Dubinsky, Ed; Vogt, Dietmar Complemented subspaces in tame power series spaces. (English) Zbl 0694.46003 Stud. Math. 93, No. 1, 71-85 (1989). Reviewer: M.Valdivia MSC: 46A45 46A04 PDFBibTeX XMLCite \textit{E. Dubinsky} and \textit{D. Vogt}, Stud. Math. 93, No. 1, 71--85 (1989; Zbl 0694.46003) Full Text: DOI EuDML
Beg, Ismat; Azam, Akbar Existence of fixed points of non-linear mappings. (English) Zbl 0693.47042 J. Nat. Sci. Math. 29, No. 2, 149-158 (1989). Reviewer: K.-J.Chung MSC: 47H10 54H25 PDFBibTeX XMLCite \textit{I. Beg} and \textit{A. Azam}, J. Nat. Sci. Math. 29, No. 2, 149--158 (1989; Zbl 0693.47042)
Schumann, Rainer Regularity for Signorini’s problem in linear elasticity. (English) Zbl 0692.73076 Manuscr. Math. 63, No. 3, 255-291 (1989). Reviewer: P.Villaggio MSC: 74A55 74M15 58E35 74S30 35S15 PDFBibTeX XMLCite \textit{R. Schumann}, Manuscr. Math. 63, No. 3, 255--291 (1989; Zbl 0692.73076) Full Text: DOI EuDML
Adhikari, Ani; Pitman, Jim The shortest planar arc of width 1. (English) Zbl 0692.52001 Am. Math. Mon. 96, No. 4, 309-327 (1989). Reviewer: W.Weil MSC: 52A10 60D05 PDFBibTeX XMLCite \textit{A. Adhikari} and \textit{J. Pitman}, Am. Math. Mon. 96, No. 4, 309--327 (1989; Zbl 0692.52001) Full Text: DOI Link
Breen, Marilyn Finitely starlike sets whose F-stars have positive measure. (English) Zbl 0691.52005 J. Geom. 35, No. 1-2, 19-25 (1989). Reviewer: P.Mani MSC: 52A30 PDFBibTeX XMLCite \textit{M. Breen}, J. Geom. 35, No. 1--2, 19--25 (1989; Zbl 0691.52005) Full Text: DOI
Semenov, E. M.; Shneiberg, I. Ya. Geometrical properties of the unit sphere of the operator spaces in \(L_ p\). (English) Zbl 0691.46019 Oper. Theory, Adv. Appl. 41, 497-509 (1989). Reviewer: M.Ostrovskij MSC: 46E30 47B38 47L07 46B25 PDFBibTeX XML
Guo, Yuanming; He, Li Generalized convex sets in normed linear spaces. (Chinese. English summary) Zbl 0691.46004 J. Syst. Sci. Math. Sci. 9, No. 2, 169-174 (1989). MSC: 46A55 41A65 PDFBibTeX XMLCite \textit{Y. Guo} and \textit{L. He}, J. Syst. Sci. Math. Sci. 9, No. 2, 169--174 (1989; Zbl 0691.46004)
You, Guang-Rong On Hölder’s inequalities for convexity. (English) Zbl 0688.26010 J. Math. Anal. Appl. 143, No. 2, 448-458 (1989). Reviewer: J.Aczél MSC: 26D15 52A20 26B25 PDFBibTeX XMLCite \textit{G.-R. You}, J. Math. Anal. Appl. 143, No. 2, 448--458 (1989; Zbl 0688.26010) Full Text: DOI
Veliov, V. Second order discrete approximations to strongly convex differential inclusions. (English) Zbl 0686.65043 Syst. Control Lett. 13, No. 3, 263-269 (1989). MSC: 65L05 34A60 PDFBibTeX XMLCite \textit{V. Veliov}, Syst. Control Lett. 13, No. 3, 263--269 (1989; Zbl 0686.65043) Full Text: DOI
Okazaki, Yoshiaki; Takahashi, Yasuji p-uniform measures on linear spaces \((0\leq p<\infty)\). (English) Zbl 0686.28010 Hokkaido Math. J. 18, No. 2, 285-299 (1989). Reviewer: Y.Takahashi MSC: 28C20 47B10 PDFBibTeX XMLCite \textit{Y. Okazaki} and \textit{Y. Takahashi}, Hokkaido Math. J. 18, No. 2, 285--299 (1989; Zbl 0686.28010) Full Text: DOI
Li, Chi-Kwong; Sung, Chen-Han; Tsing, Nam-Kiu c-convex matrices: Characterizations, inclusion relations and normality. (English) Zbl 0686.15010 Linear Multilinear Algebra 25, No. 4, 275-287 (1989). Reviewer: Shaokuan Li MSC: 15A60 PDFBibTeX XMLCite \textit{C.-K. Li} et al., Linear Multilinear Algebra 25, No. 4, 275--287 (1989; Zbl 0686.15010) Full Text: DOI
Freese, Raymond; Murphy, Grattan; Andalafte, Edward Strict convexity in M-spaces. (English) Zbl 0684.54019 J. Geom. 34, No. 1-2, 42-49 (1989). Reviewer: J.E.Martinez-Legaz MSC: 54E35 41A65 46A55 PDFBibTeX XMLCite \textit{R. Freese} et al., J. Geom. 34, No. 1--2, 42--49 (1989; Zbl 0684.54019) Full Text: DOI
Eriksson-Bique, Sirkka-Liisa; Leutwiler, Heinz A generalization of parallel addition. (English) Zbl 0682.47024 Aequationes Math. 38, No. 1, 99-110 (1989). Reviewer: K.Seddighi MSC: 47L07 47A60 47L30 39B52 46C99 31D05 PDFBibTeX XMLCite \textit{S.-L. Eriksson-Bique} and \textit{H. Leutwiler}, Aequationes Math. 38, No. 1, 99--110 (1989; Zbl 0682.47024) Full Text: DOI EuDML
Vasil’ev, A. I. Existence of the element of best approximation in metric linear spaces. (Russian) Zbl 0682.41039 Math. Nachr. 143, 33-39 (1989). Reviewer: S.Cobzaş MSC: 41A65 41A50 46A04 PDFBibTeX XMLCite \textit{A. I. Vasil'ev}, Math. Nachr. 143, 33--39 (1989; Zbl 0682.41039) Full Text: DOI
Cesco, J. C.; Neme, A. A Nash type equilibrium in games without transitive preferences. (English) Zbl 0681.90092 Math. Soc. Sci. 17, No. 1, 47-56 (1989). Reviewer: M.Nermuth MSC: 91A10 91B50 PDFBibTeX XMLCite \textit{J. C. Cesco} and \textit{A. Neme}, Math. Soc. Sci. 17, No. 1, 47--56 (1989; Zbl 0681.90092) Full Text: DOI
Lupsa, Liana On integer convex sets. (English) Zbl 0681.52003 Prepr., “Babeș-Bolyai” Univ., Fac. Math. Phys., Res. Semin. 1989, No. 6, 211-216 (1989). Reviewer: R.Precup MSC: 52A20 52A01 52Bxx PDFBibTeX XMLCite \textit{L. Lupsa}, Prepr., ``Babeș-Bolyai'' Univ., Fac. Math. Phys., Res. Semin. 1989, No. 6, 211--216 (1989; Zbl 0681.52003)
Kumar, Gajendra; Gupta, Ashok Kumar Unit linear sets. I. (English) Zbl 0681.46011 Math. Educ. 23, No. 1, 16-20 (1989). MSC: 46A55 PDFBibTeX XMLCite \textit{G. Kumar} and \textit{A. K. Gupta}, Math. Educ. 23, No. 1, 16--20 (1989; Zbl 0681.46011)
Eke, Anthony N. Compactness and convexity of cores of targets for neutral systems. (English) Zbl 0679.93022 Bull. Aust. Math. Soc. 39, No. 3, 449-459 (1989). MSC: 93B05 34K35 93B03 93C15 93B28 PDFBibTeX XMLCite \textit{A. N. Eke}, Bull. Aust. Math. Soc. 39, No. 3, 449--459 (1989; Zbl 0679.93022) Full Text: DOI
Lovíŝek, Ján Optimal design of cylindrical shell with a rigid obstacle. (English) Zbl 0678.73059 Apl. Mat. 34, No. 1, 18-32 (1989). Reviewer: St.Jendo MSC: 74P99 49J27 74K15 74G30 74H25 49J40 49J99 PDFBibTeX XMLCite \textit{J. Lovíŝek}, Apl. Mat. 34, No. 1, 18--32 (1989; Zbl 0678.73059) Full Text: EuDML
Rosay, Jean-Pierre; Rudin, Walter A maximum principle for sums of subharmonic functions, and the convexity of level sets. (English) Zbl 0678.31003 Mich. Math. J. 36, No. 1, 95-111 (1989). Reviewer: St.J.Gardiner MSC: 31B05 PDFBibTeX XMLCite \textit{J.-P. Rosay} and \textit{W. Rudin}, Mich. Math. J. 36, No. 1, 95--111 (1989; Zbl 0678.31003) Full Text: DOI
Ferrero, O. Theorems of the alternative for set-valued functions in infinite- dimensional spaces. (English) Zbl 0676.90099 Optimization 20, No. 2, 167-175 (1989). Reviewer: M.Todorov MSC: 90C48 90C25 65K05 54C60 PDFBibTeX XMLCite \textit{O. Ferrero}, Optimization 20, No. 2, 167--175 (1989; Zbl 0676.90099) Full Text: DOI
Dempe, S. On the directional derivative of the optimal solution mapping without linear independence constraint qualification. (English) Zbl 0676.90072 Optimization 20, No. 4, 401-414 (1989). MSC: 90C31 49K40 PDFBibTeX XMLCite \textit{S. Dempe}, Optimization 20, No. 4, 401--414 (1989; Zbl 0676.90072) Full Text: DOI
Berk, Robert; Hwang, Jiunn T. Optimality of the least squares estimator. (English) Zbl 0676.62055 J. Multivariate Anal. 30, No. 2, 245-254 (1989). MSC: 62J05 62H12 PDFBibTeX XMLCite \textit{R. Berk} and \textit{J. T. Hwang}, J. Multivariate Anal. 30, No. 2, 245--254 (1989; Zbl 0676.62055) Full Text: DOI
Lee, Tan-Yu Generalized convex set functions. (English) Zbl 0675.90081 J. Math. Anal. Appl. 141, No. 1, 278-290 (1989). MSC: 90C31 54C60 26B25 49J52 PDFBibTeX XMLCite \textit{T.-Y. Lee}, J. Math. Anal. Appl. 141, No. 1, 278--290 (1989; Zbl 0675.90081) Full Text: DOI
Sassano, A. On the facial structure of the set covering polytope. (English) Zbl 0675.90059 Math. Program., Ser. A 44, No. 2, 181-202 (1989). Reviewer: A.P.Bosznay MSC: 90C10 05C70 52Bxx 65K05 PDFBibTeX XMLCite \textit{A. Sassano}, Math. Program. 44, No. 2 (A), 181--202 (1989; Zbl 0675.90059) Full Text: DOI
Khan, M. Ali; Peck, N. T. On the interiors of production sets in infinite dimensional spaces. (English) Zbl 0675.90015 J. Math. Econ. 18, No. 1, 29-39 (1989). Reviewer: M.Matloka MSC: 91B38 46A40 46B20 PDFBibTeX XMLCite \textit{M. A. Khan} and \textit{N. T. Peck}, J. Math. Econ. 18, No. 1, 29--39 (1989; Zbl 0675.90015) Full Text: DOI Link
Sakai, Katsuro; Wong, Raymond Y. The space of Lipschitz maps from a compactum to a locally convex set. (English) Zbl 0675.58013 Topology Appl. 32, No. 3, 223-235 (1989). Reviewer: D.Gauld MSC: 58D15 57N20 PDFBibTeX XMLCite \textit{K. Sakai} and \textit{R. Y. Wong}, Topology Appl. 32, No. 3, 223--235 (1989; Zbl 0675.58013) Full Text: DOI
Šeda, Valter Some fixed point theorems for multivalued mappings. (English) Zbl 0674.47040 Czech. Math. J. 39(114), No. 1, 147-164 (1989). Reviewer: S.L.Singh MSC: 47H10 54C60 46A03 PDFBibTeX XMLCite \textit{V. Šeda}, Czech. Math. J. 39(114), No. 1, 147--164 (1989; Zbl 0674.47040) Full Text: EuDML
Jovanović, M. On strong quasiconvex functions and boundedness of level sets. (English) Zbl 0673.90075 Optimization 20, No. 2, 163-165 (1989). Reviewer: A.G.Azpeitia MSC: 90C30 90C48 PDFBibTeX XMLCite \textit{M. Jovanović}, Optimization 20, No. 2, 163--165 (1989; Zbl 0673.90075) Full Text: DOI
Keller, Karsten Sets of states and extreme points. (English) Zbl 0673.03048 Int. J. Theor. Phys. 28, No. 1, 27-34 (1989). Reviewer: J.Cirulis MSC: 03G12 46B20 81P10 52A07 06A06 PDFBibTeX XMLCite \textit{K. Keller}, Int. J. Theor. Phys. 28, No. 1, 27--34 (1989; Zbl 0673.03048) Full Text: DOI
Halická, Margaréta Regular synthesis for the linear time-optimal control problem with convex control constraints. (English) Zbl 0672.49024 SIAM J. Control Optimization 27, No. 2, 308-329 (1989). Reviewer: M.Halická MSC: 49L20 34H05 93B03 PDFBibTeX XMLCite \textit{M. Halická}, SIAM J. Control Optim. 27, No. 2, 308--329 (1989; Zbl 0672.49024) Full Text: DOI
Kuperberg, W. Covering the plane with congruent copies of a convex body. (English) Zbl 0669.52011 Bull. Lond. Math. Soc. 21, No. 1, 82-86 (1989). Reviewer: W.Moser MSC: 52C17 52A10 PDFBibTeX XMLCite \textit{W. Kuperberg}, Bull. Lond. Math. Soc. 21, No. 1, 82--86 (1989; Zbl 0669.52011) Full Text: DOI
Sangwine-Yager, J. R. The missing boundary of the Blaschke diagram. (English) Zbl 0669.52008 Am. Math. Mon. 96, No. 3, 233-237 (1989). Reviewer: J.E.Martinez-Legaz MSC: 52A40 52A15 PDFBibTeX XMLCite \textit{J. R. Sangwine-Yager}, Am. Math. Mon. 96, No. 3, 233--237 (1989; Zbl 0669.52008) Full Text: DOI
Isac, G. Conically bounded sets and optimization. (English) Zbl 0666.46008 Arch. Math. 53, No. 3, 288-299 (1989). Reviewer: G.Isac MSC: 46A55 49J27 PDFBibTeX XMLCite \textit{G. Isac}, Arch. Math. 53, No. 3, 288--299 (1989; Zbl 0666.46008) Full Text: DOI
Lai, H. C.; Lin, L. J. Optimality for set functions with values in ordered vector spaces. (English) Zbl 0664.90094 J. Optimization Theory Appl. 63, No. 2, 371-389 (1989). Reviewer: H.C.Lai MSC: 90C48 49K27 46A40 46A20 49N15 PDFBibTeX XMLCite \textit{H. C. Lai} and \textit{L. J. Lin}, J. Optim. Theory Appl. 63, No. 2, 371--389 (1989; Zbl 0664.90094) Full Text: DOI
Khabibullin, R. F. Combining the generalized descent method with the Fejér approximation method in one computation process. (English. Russian original) Zbl 0664.65050 J. Sov. Math. 44, No. 5, 621-623 (1989); translation from Issled. Prikl. Mat. 10, 82-85 (1984). MSC: 65J05 46C99 PDFBibTeX XMLCite \textit{R. F. Khabibullin}, J. Sov. Math. 44, No. 5, 621--623 (1989; Zbl 0664.65050); translation from Issled. Prikl. Mat. 10, 82--85 (1984) Full Text: DOI
Abreu, J.; Etcheberry, A. Hahn-Banach and Banach-Steinhaus theorems for convex processes. (English) Zbl 0664.46012 Period. Math. Hung. 20, No. 4, 289-297 (1989). Reviewer: A.Etcheberry MSC: 46B20 58C06 49J52 58C07 PDFBibTeX XMLCite \textit{J. Abreu} and \textit{A. Etcheberry}, Period. Math. Hung. 20, No. 4, 289--297 (1989; Zbl 0664.46012) Full Text: DOI
Buczolich, Z. Ramsey type theorems for real functions. (English) Zbl 0661.26005 Mathematika 36, No. 1, 131-141 (1989). Reviewer: Z.Buczolich MSC: 26A51 PDFBibTeX XMLCite \textit{Z. Buczolich}, Mathematika 36, No. 1, 131--141 (1989; Zbl 0661.26005) Full Text: DOI
Papageorgiou, Nikolaos S. Measurable multifunctions and their applications to convex integral functionals. (English) Zbl 0659.28008 Int. J. Math. Math. Sci. 12, No. 1, 175-192 (1989). MSC: 28B20 46G10 28B05 46E30 54C60 49J30 PDFBibTeX XMLCite \textit{N. S. Papageorgiou}, Int. J. Math. Math. Sci. 12, No. 1, 175--192 (1989; Zbl 0659.28008) Full Text: DOI EuDML
Van de Vel, Marcel A Helly property of arcs. (English) Zbl 0655.52002 Arch. Math. 52, No. 3, 289-306 (1989). Reviewer: M.van de Vel MSC: 52A01 06D20 52A35 54H12 PDFBibTeX XMLCite \textit{M. Van de Vel}, Arch. Math. 52, No. 3, 289--306 (1989; Zbl 0655.52002) Full Text: DOI
Bonet, José; Meise, Reinhold; Taylor, B. Alan Whitney’s extension theorem for ultradifferentiable functions of Roumieu type. (English) Zbl 0654.46029 Proc. R. Ir. Acad., Sect. A 89, No. 1, 53-66 (1989). Reviewer: J.Bonet MSC: 46E10 46F05 PDFBibTeX XMLCite \textit{J. Bonet} et al., Proc. R. Ir. Acad., Sect. A 89, No. 1, 53--66 (1989; Zbl 0654.46029)
Zucco, Andreana Minimal annulus of a convex body. (English) Zbl 0648.52001 Arch. Math. 52, No. 1, 92-94 (1989). Reviewer: A.Zucco MSC: 52A10 28A05 PDFBibTeX XMLCite \textit{A. Zucco}, Arch. Math. 52, No. 1, 92--94 (1989; Zbl 0648.52001) Full Text: DOI
Jiménez Guerra, P.; Rodríguez-Salinas, Baltasar On the completeness of \(L^\alpha(E)\) for locally convex spaces. (English) Zbl 0648.46033 Arch. Math. 52, No. 1, 82-91 (1989). Reviewer: P.Jiménez Guerra MSC: 46E40 46E30 28B05 46G10 PDFBibTeX XMLCite \textit{P. Jiménez Guerra} and \textit{B. Rodríguez-Salinas}, Arch. Math. 52, No. 1, 82--91 (1989; Zbl 0648.46033) Full Text: DOI
Ricceri, B. Remarks on multifunctions with convex graph. (English) Zbl 0648.46010 Arch. Math. 52, No. 5, 519-520 (1989). Reviewer: B.Ricceri MSC: 46A55 54C60 PDFBibTeX XMLCite \textit{B. Ricceri}, Arch. Math. 52, No. 5, 519--520 (1989; Zbl 0648.46010) Full Text: DOI
Boneh, A.; Caron, R. J.; Lemire, F. W.; McDonald, J. F.; Telgen, J.; Vorst, T. Note on prime representations of convex polyhedral sets. (English) Zbl 0643.90049 J. Optimization Theory Appl. 61, No. 1, 137-142 (1989). Reviewer: A.Boneh MSC: 90C05 52Bxx PDFBibTeX XMLCite \textit{A. Boneh} et al., J. Optim. Theory Appl. 61, No. 1, 137--142 (1989; Zbl 0643.90049) Full Text: DOI
Hackenbroch, Wolfgang Measure extensions by conditional atoms. (English) Zbl 0638.28004 Math. Z. 200, No. 3, 347-352 (1989). Reviewer: W.Hackenbroch MSC: 28A12 52A40 PDFBibTeX XMLCite \textit{W. Hackenbroch}, Math. Z. 200, No. 3, 347--352 (1989; Zbl 0638.28004) Full Text: DOI EuDML
Bayoumi, Aboubakr On holomorphic Hahn-Banach extension theorem and properties of bounding and weakly-bounding sets in some metric vector spaces. (English) Zbl 0762.46035 Port. Math. 46, No. 3, 329-340 (1989). Reviewer: J. Mujica (M.R. 91a:46044) MSC: 46G20 46A22 46A16 PDFBibTeX XMLCite \textit{A. Bayoumi}, Port. Math. 46, No. 3, 329--340 (1989; Zbl 0762.46035) Full Text: EuDML
Phelps, Robert R. Convex functions, monotone operators and differentiability. (English) Zbl 0658.46035 Lecture Notes in Mathematics 1364. Berlin etc.: Springer-Verlag. vii, 115 p. DM 25.00 (1989). Reviewer: Duong Minh Duc MSC: 46G05 26B25 46B20 PDFBibTeX XMLCite \textit{R. R. Phelps}, Convex functions, monotone operators and differentiability. Berlin etc.: Springer-Verlag (1989; Zbl 0658.46035)
Garanin, V. A. An analog of the Bieberbach inequality in semi-Euclidean spaces. (Russian) Zbl 0743.52001 Arithmetic and geometry of manifolds, Interuniv. Collect. Sci. Works, Kujbyshev, 46-48 (1989). Reviewer: A.H.Temesvári (Sopron) MSC: 52A40 51M10 52A38 PDFBibTeX XMLCite \textit{V. A. Garanin}, in: Surfaces of type T with given sum of principal curvature radii. . 46--48 (1989; Zbl 0743.52001)
Khokhlov, A. G. On the Baker theorem. (Russian) Zbl 0768.52002 Cardinal invariants and extensions of topological spaces, Interuniv. Collect. Sci. Works, Izhevsk, 94-97 (1989). Reviewer: M.Turinici (Iaşi) MSC: 52A35 PDFBibTeX XMLCite \textit{A. G. Khokhlov}, in: Kardinal'nye invarianty i rasshireniya topologicheskikh prostranstv. Mezhvuzovskij sbornik nauchnykh trudov. Izhevsk: Udmurtskij Universitet. 94--97 (1989; Zbl 0768.52002)