Ciepliński, Krzysztof Set-valued solutions of a functional equation. (English) Zbl 07510861 Bol. Soc. Mat. Mex., III. Ser. 28, No. 2, Paper No. 35, 7 p. (2022). MSC: 47H04 39B52 54C60 26E25 PDFBibTeX XMLCite \textit{K. Ciepliński}, Bol. Soc. Mat. Mex., III. Ser. 28, No. 2, Paper No. 35, 7 p. (2022; Zbl 07510861) Full Text: DOI
Jabłońska, Eliza; Nikodem, Kazimierz \(K\)-subadditive and \(K\)-superadditive set-valued functions bounded on “large” sets. (English) Zbl 1482.39038 Aequationes Math. 95, No. 6, 1221-1231 (2021). Reviewer: James Adedayo Oguntuase (Abeokuta) MSC: 39B62 54C60 26B25 PDFBibTeX XMLCite \textit{E. Jabłońska} and \textit{K. Nikodem}, Aequationes Math. 95, No. 6, 1221--1231 (2021; Zbl 1482.39038) Full Text: DOI
Aghajani, Masoumeh On increasing iteration semigroup of Jensen set-valued functions. (English) Zbl 1467.39014 Aequationes Math. 95, No. 2, 375-382 (2021). Reviewer: Vladimir Mityushev (Kraków) MSC: 39B12 26B25 54C60 PDFBibTeX XMLCite \textit{M. Aghajani}, Aequationes Math. 95, No. 2, 375--382 (2021; Zbl 1467.39014) Full Text: DOI
Sikorska, Justyna On a class of abstract convex cone valued functional equations. (English) Zbl 1440.39014 Aequationes Math. 94, No. 3, 535-545 (2020). MSC: 39B52 39B82 54C60 26E25 PDFBibTeX XMLCite \textit{J. Sikorska}, Aequationes Math. 94, No. 3, 535--545 (2020; Zbl 1440.39014) Full Text: DOI
Younus, Awais; Nisar, Onsia Convex optimization of interval valued functions on mixed domains. (English) Zbl 1499.49057 Filomat 33, No. 6, 1715-1725 (2019). MSC: 49J53 52A41 49K30 39A12 PDFBibTeX XMLCite \textit{A. Younus} and \textit{O. Nisar}, Filomat 33, No. 6, 1715--1725 (2019; Zbl 1499.49057) Full Text: DOI
Dashti, Mahshid; Khodaei, Hamid Stability of generalized multi-quadratic mappings in Lipschitz spaces. (English) Zbl 1420.39018 Result. Math. 74, No. 4, Paper No. 163, 13 p. (2019). MSC: 39B52 39B82 39B72 PDFBibTeX XMLCite \textit{M. Dashti} and \textit{H. Khodaei}, Result. Math. 74, No. 4, Paper No. 163, 13 p. (2019; Zbl 1420.39018) Full Text: DOI
Izumi, Hideaki; Li, Lin; Matkowski, Janusz; Wróbel, Małgorzta Sandwich with periodicity. (English) Zbl 1418.26004 Aequationes Math. 93, No. 4, 699-709 (2019). MSC: 26A15 39B62 28B20 PDFBibTeX XMLCite \textit{H. Izumi} et al., Aequationes Math. 93, No. 4, 699--709 (2019; Zbl 1418.26004) Full Text: DOI
Sikorska, Justyna On a method of solving some functional equations for set-valued functions. (English) Zbl 1428.39032 Set-Valued Var. Anal. 27, No. 1, 295-304 (2019). Reviewer: Henrik Stetkær (Aarhus) MSC: 39B52 39B55 47H04 54C60 PDFBibTeX XMLCite \textit{J. Sikorska}, Set-Valued Var. Anal. 27, No. 1, 295--304 (2019; Zbl 1428.39032) Full Text: DOI
Olko, J. Remarks on microperiodic multifunctions. (English) Zbl 1373.39027 Bull. Iran. Math. Soc. 42, No. 2, 447-459 (2016). MSC: 39B82 26E25 39B62 54C60 PDFBibTeX XMLCite \textit{J. Olko}, Bull. Iran. Math. Soc. 42, No. 2, 447--459 (2016; Zbl 1373.39027) Full Text: Link
Mihai, Marcela V.; Mitroi-Symeonidis, Flavia-Corina New extensions of Popoviciu’s inequality. (English) Zbl 1353.26007 Mediterr. J. Math. 13, No. 5, 3121-3133 (2016). MSC: 26A51 54C60 39B62 PDFBibTeX XMLCite \textit{M. V. Mihai} and \textit{F.-C. Mitroi-Symeonidis}, Mediterr. J. Math. 13, No. 5, 3121--3133 (2016; Zbl 1353.26007) Full Text: DOI arXiv
Sikorska, Justyna A singular behaviour of a set-valued approximate orthogonal additivity. (English) Zbl 1347.41045 Result. Math. 70, No. 1-2, 163-172 (2016). MSC: 41A65 54C60 26E25 39B82 PDFBibTeX XMLCite \textit{J. Sikorska}, Result. Math. 70, No. 1--2, 163--172 (2016; Zbl 1347.41045) Full Text: DOI
Mitroi-Symeonidis, Flavia-Corina A sandwich theorem for convex set-valued functions. (English) Zbl 1349.26027 An. Univ. Oradea, Fasc. Mat. 23, No. 1, 77-79 (2016). MSC: 26A51 54C60 28B20 39B62 PDFBibTeX XMLCite \textit{F.-C. Mitroi-Symeonidis}, An. Univ. Oradea, Fasc. Mat. 23, No. 1, 77--79 (2016; Zbl 1349.26027)
Łydzińska, Grażyna On some set-valued iteration semigroups generated by interval-valued functions. (English) Zbl 1347.39023 Aequationes Math. 90, No. 2, 381-391 (2016). Reviewer: Victor V. Goryainov (Moscow) MSC: 39B12 39B52 26E25 26A18 PDFBibTeX XMLCite \textit{G. Łydzińska}, Aequationes Math. 90, No. 2, 381--391 (2016; Zbl 1347.39023) Full Text: DOI
Smajdor, Andrzej; Szczawińska, Joanna Selections of set-valued functions satisfying the general linear inclusion. (English) Zbl 1357.54018 J. Fixed Point Theory Appl. 18, No. 1, 133-145 (2016). Reviewer: Yu. Zelinskij (Kyïv) MSC: 54C65 54C60 39B82 PDFBibTeX XMLCite \textit{A. Smajdor} and \textit{J. Szczawińska}, J. Fixed Point Theory Appl. 18, No. 1, 133--145 (2016; Zbl 1357.54018) Full Text: DOI
Olko, Jolanta Inclusions characterizing polynomial-type multifunctions. (English) Zbl 1327.26025 Result. Math. 68, No. 3-4, 331-343 (2015). MSC: 26E25 39B72 39B82 PDFBibTeX XMLCite \textit{J. Olko}, Result. Math. 68, No. 3--4, 331--343 (2015; Zbl 1327.26025) Full Text: DOI
Sikorska, Justyna Set-valued orthogonal additivity. (English) Zbl 1328.39039 Set-Valued Var. Anal. 23, No. 3, 547-557 (2015). Reviewer: Krzysztof Ciepliński (Kraków) MSC: 39B55 39B52 54C60 54C65 PDFBibTeX XMLCite \textit{J. Sikorska}, Set-Valued Var. Anal. 23, No. 3, 547--557 (2015; Zbl 1328.39039) Full Text: DOI
Łydzińska, Grażyna The characterization of some set-valued iteration semigroups. (English) Zbl 1317.39028 Aequationes Math. 89, No. 3, 791-802 (2015). Reviewer: Mohammad Sal Moslehian (Karlstad) MSC: 39B12 26E25 39B52 26A18 PDFBibTeX XMLCite \textit{G. Łydzińska}, Aequationes Math. 89, No. 3, 791--802 (2015; Zbl 1317.39028) Full Text: DOI
Jarczyk, Witold Recent results on iterative roots. (English. French summary) Zbl 1335.39001 ESAIM, Proc. Surv. 46, 47-62 (2014). MSC: 39-02 39B12 37E30 54H20 PDFBibTeX XMLCite \textit{W. Jarczyk}, ESAIM, Proc. Surv. 46, 47--62 (2014; Zbl 1335.39001) Full Text: DOI
Troczka-Pawelec, Katarzyna \(K\)-subquadratic set-valued functions. (English) Zbl 1327.54026 Commentat. Math. 54, No. 2, 147-157 (2014). MSC: 54C60 39B62 PDFBibTeX XMLCite \textit{K. Troczka-Pawelec}, Commentat. Math. 54, No. 2, 147--157 (2014; Zbl 1327.54026) Full Text: DOI
Rassias, Themistocles M. (ed.) Handbook of functional equations. Stability theory. (English) Zbl 1304.39001 Springer Optimization and Its Applications 96. New York, NY: Springer (ISBN 978-1-4939-1285-8/hbk; 978-1-4939-1286-5/ebook). x, 396 p. (2014). MSC: 39-06 39Bxx 40A05 41A30 54C60 00B15 PDFBibTeX XMLCite \textit{T. M. Rassias} (ed.), Handbook of functional equations. Stability theory. New York, NY: Springer (2014; Zbl 1304.39001) Full Text: DOI
Száz, Árpád An instructive treatment and some natural extensions of a set-valued function of Páles. (English) Zbl 1313.39041 Math. Pannonica 24, No. 1, 77-108 (2013). MSC: 39B82 26E25 39B22 PDFBibTeX XMLCite \textit{Á. Száz}, Math. Pannonica 24, No. 1, 77--108 (2013; Zbl 1313.39041)
Mitroi, Flavia-Corina; Nikodem, Kazimierz; Wąsowicz, Szymon Hermite-Hadamard inequalities for convex set-valued functions. (English) Zbl 1292.26072 Demonstr. Math. 46, No. 4, 655-662 (2013). MSC: 26E25 28B20 54C60 39B62 PDFBibTeX XMLCite \textit{F.-C. Mitroi} et al., Demonstr. Math. 46, No. 4, 655--662 (2013; Zbl 1292.26072) Full Text: DOI
Leiva, Hugo; Merentes, Nelson; Nikodem, Kazimierz; Sánchez, José Luis Strongly convex set-valued maps. (English) Zbl 1284.26015 J. Glob. Optim. 57, No. 3, 695-705 (2013). MSC: 26B25 54C60 46C15 39B62 PDFBibTeX XMLCite \textit{H. Leiva} et al., J. Glob. Optim. 57, No. 3, 695--705 (2013; Zbl 1284.26015) Full Text: DOI
Szczawińska, Joanna On some equation for set-valued functions. (English) Zbl 1285.39008 Aequationes Math. 85, No. 3, 421-428 (2013). Reviewer: Dan-Mircea Borş (Iaşi) MSC: 39B12 54C60 39B52 PDFBibTeX XMLCite \textit{J. Szczawińska}, Aequationes Math. 85, No. 3, 421--428 (2013; Zbl 1285.39008) Full Text: DOI
Li, Lin; Chen, Jingmin; Mi, Yuzhen Decreasing solutions of a multi-valued iterative equation. (English) Zbl 1298.39019 Nonlinear Stud. 19, No. 2, 251-254 (2012). MSC: 39B12 37E05 54C60 PDFBibTeX XMLCite \textit{L. Li} et al., Nonlinear Stud. 19, No. 2, 251--254 (2012; Zbl 1298.39019)
Łydzińska, Grażyna On lower semicontinuity of some set-valued iteration semigroups. (English) Zbl 1176.39020 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 71, No. 11, 5644-5654 (2009). Reviewer: Gian Luigi Forti (Milano) MSC: 39B12 39B52 26E25 54C60 26A18 PDFBibTeX XMLCite \textit{G. Łydzińska}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 71, No. 11, 5644--5654 (2009; Zbl 1176.39020) Full Text: DOI
Chen, Li Multivalued solutions of an iterative equation. (Chinese. English summary) Zbl 1174.39323 Acta Math. Sci., Ser. A, Chin. Ed. 28, No. 4, 636-642 (2008). MSC: 39B12 37E05 54C60 26E25 PDFBibTeX XMLCite \textit{L. Chen}, Acta Math. Sci., Ser. A, Chin. Ed. 28, No. 4, 636--642 (2008; Zbl 1174.39323)
Łydzińska, G. On expanding iteration semigroups of set-valued functions. (English) Zbl 1092.39020 Math. Pannonica 15, No. 1, 55-64 (2004). MSC: 39B12 39B52 26E25 PDFBibTeX XMLCite \textit{G. Łydzińska}, Math. Pannonica 15, No. 1, 55--64 (2004; Zbl 1092.39020) Full Text: EuDML
Nikodem, Kazimierz; Zhang, Weinian On a multivalued iterative equation. (English) Zbl 1071.39024 Publ. Math. Debr. 64, No. 3-4, 427-435 (2004). Reviewer: Zsolt Páles (Debrecen) MSC: 39B12 37E05 26E25 PDFBibTeX XMLCite \textit{K. Nikodem} and \textit{W. Zhang}, Publ. Math. Debr. 64, No. 3--4, 427--435 (2004; Zbl 1071.39024)
Łydzińska, Grazyna On collapsing iteration semigroups of set-valued functions. (English) Zbl 1071.39023 Publ. Math. Debr. 64, No. 3-4, 285-298 (2004). MSC: 39B12 39B52 26E25 PDFBibTeX XMLCite \textit{G. Łydzińska}, Publ. Math. Debr. 64, No. 3--4, 285--298 (2004; Zbl 1071.39023)
Badora, Roman; Ger, Roman; Páles, Zsolt Additive selections and the stability of the Cauchy functional equation. (English) Zbl 1037.39008 ANZIAM J. 44, No. 3, 323-337 (2003). Reviewer: Szymon Wasowicz (Bielsko-Biała) MSC: 39B62 39B52 54C60 54C65 39B72 39B82 PDFBibTeX XMLCite \textit{R. Badora} et al., ANZIAM J. 44, No. 3, 323--337 (2003; Zbl 1037.39008) Full Text: DOI
Tabor, Jacek Monomial selections of set-valued functions. (English) Zbl 0991.39013 Publ. Math. Debr. 56, No. 1-2, 33-42 (2000). Reviewer: Zsolt Páles (Debrecen) MSC: 39B52 28B20 39B82 43A07 PDFBibTeX XMLCite \textit{J. Tabor}, Publ. Math. Debr. 56, No. 1--2, 33--42 (2000; Zbl 0991.39013)
Badora, Roman; Páles, Zsolt; Székelyhidi, László Monomial selections of set-valued maps. (English) Zbl 0964.39020 Aequationes Math. 58, No. 3, 214-222 (1999). Reviewer: Marek Cezary Zdun (Kraków) MSC: 39B52 26E25 PDFBibTeX XMLCite \textit{R. Badora} et al., Aequationes Math. 58, No. 3, 214--222 (1999; Zbl 0964.39020) Full Text: DOI
Sadowska, Elżbieta Hadamard inequality and a refinement of Jensen inequality for set-valued functions. (English) Zbl 0891.26014 Result. Math. 32, No. 3-4, 332-337 (1997). Reviewer: K.Nikodem (Bielsko-Biała) MSC: 26D15 26E25 26A51 39B72 54C60 PDFBibTeX XMLCite \textit{E. Sadowska}, Result. Math. 32, No. 3--4, 332--337 (1997; Zbl 0891.26014) Full Text: DOI
Wąsowicz, Szymon Polynomial selections and separation by polynomials. (English) Zbl 0887.26007 Stud. Math. 120, No. 1, 75-82 (1996). MSC: 26A51 39B72 26E25 54C65 26D07 52A35 PDFBibTeX XMLCite \textit{S. Wąsowicz}, Stud. Math. 120, No. 1, 75--82 (1996; Zbl 0887.26007) Full Text: DOI arXiv EuDML
Smajdor, Andrzej; Smajdor, Wilhelmina Affine selections of convex set-valued functions. (English) Zbl 0845.39010 Aequationes Math. 51, No. 1-2, 12-20 (1996). Reviewer: K.Nikodem (Bielsko-Biała) MSC: 39B72 26E25 54C65 PDFBibTeX XMLCite \textit{A. Smajdor} and \textit{W. Smajdor}, Aequationes Math. 51, No. 1--2, 12--20 (1996; Zbl 0845.39010) Full Text: DOI EuDML
Smajdor, Andrzej Semigroups of Jensen set-valued functions. (English) Zbl 0828.39013 Result. Math. 26, No. 3-4, 385-389 (1994). Reviewer: K.Nikodem (Bielsko-Biała) MSC: 39B52 26E25 PDFBibTeX XMLCite \textit{A. Smajdor}, Result. Math. 26, No. 3--4, 385--389 (1994; Zbl 0828.39013) Full Text: DOI
Smajdor, Wilhelmina On Jensen and Pexider functional equations. (English) Zbl 0828.39012 Opusc. Math. 14, 169-178 (1994). Reviewer: H.L.Vasudeva (Chandigarh) MSC: 39B52 26E25 PDFBibTeX XMLCite \textit{W. Smajdor}, Opusc. Math. 14, 169--178 (1994; Zbl 0828.39012)
Szidarovszky, F.; Molnár, S.; Okuguchi, K. On general criteria for the global asymptotic stability of nonlinear difference equations. (English) Zbl 0778.39005 PU.M.A., Pure Math. Appl., Ser. B 3, No. 1, 5-14 (1992). Reviewer: A.D.Mednykh (Novosibirsk) MSC: 39A10 39A11 PDFBibTeX XMLCite \textit{F. Szidarovszky} et al., PU.M.A., Pure Math. Appl., Ser. B 3, No. 1, 5--14 (1992; Zbl 0778.39005)
Gajda, Zbigniew; Smajdor, Andrzej; Smajdor, Wilhelmina A theorem of the Hahn-Banach type and its applications. (English) Zbl 0774.46003 Ann. Pol. Math. 57, No. 3, 243-252 (1992). Reviewer: J.Howard (Las Vegas) MSC: 46A22 47H04 54C65 26E25 39B99 PDFBibTeX XMLCite \textit{Z. Gajda} et al., Ann. Pol. Math. 57, No. 3, 243--252 (1992; Zbl 0774.46003) Full Text: DOI
Aubin, Jean-Pierre A survey of viability theory. (English) Zbl 0714.49021 SIAM J. Control Optimization 28, No. 4, 749-788 (1990). MSC: 49J52 93C10 26A24 49-02 93-02 26A27 26A51 26E25 28B20 28D05 34A60 34Dxx 39Axx 54C60 54C65 58C06 58C07 58C30 93C15 93C30 PDFBibTeX XMLCite \textit{J.-P. Aubin}, SIAM J. Control Optim. 28, No. 4, 749--788 (1990; Zbl 0714.49021) Full Text: DOI
Smajdor, A. Additive selections of superadditive set-valued functions. (English) Zbl 0706.39006 Aequationes Math. 39, No. 2-3, 121-128 (1990). Reviewer: K.Nikodem MSC: 39B52 39B72 46A03 54C60 PDFBibTeX XMLCite \textit{A. Smajdor}, Aequationes Math. 39, No. 2--3, 121--128 (1990; Zbl 0706.39006) Full Text: DOI EuDML
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)
Nikodem, Kazimierz Additive selections of additive set-valued functions. (English) Zbl 0686.46008 Zb. Rad., Prir.-Mat. Fak., Univ. Novom Sadu, Ser. Mat. 18, No. 1, 143-148 (1988). MSC: 46A55 46A40 54C65 26E25 39B52 PDFBibTeX XMLCite \textit{K. Nikodem}, Zb. Rad., Prir.-Mat. Fak., Univ. Novom Sadu, Ser. Mat. 18, No. 1, 143--148 (1988; Zbl 0686.46008)
Smajdor, Wilhelmina Superadditive set-valued functions and Banach-Steinhaus theorem. (English) Zbl 0654.39007 Rad. Mat. 3, 203-214 (1987). MSC: 39B72 26E25 54C60 PDFBibTeX XMLCite \textit{W. Smajdor}, Rad. Mat. 3, 203--214 (1987; Zbl 0654.39007)
Gajda, Zbigniew; Ger, Roman Subadditive multifunctions and Hyers-Ulam stability. (English) Zbl 0639.39014 General inequalities 5, 5th Int. Conf., Oberwolfach/FRG 1986, ISNM 80, 281-291 (1987). Reviewer: A.Smajdor MSC: 39B72 54C60 54C65 PDFBibTeX XML
Nikodem, Kazimierz Midpoint convex functions majorized by midpoint concave functions. (English) Zbl 0612.26007 Aequationes Math. 32, 45-51 (1987). Reviewer: J.Aczél MSC: 26A51 39B99 26B25 28B20 PDFBibTeX XMLCite \textit{K. Nikodem}, Aequationes Math. 32, 45--51 (1987; Zbl 0612.26007) Full Text: DOI EuDML
Smajdor, W. Subadditive set-valued functions. (English) Zbl 0617.26010 Glas. Mat., III. Ser. 21(41), 343-348 (1986). Reviewer: K.Nikodem MSC: 26E25 39B72 PDFBibTeX XMLCite \textit{W. Smajdor}, Glas. Mat., III. Ser. 21(41), 343--348 (1986; Zbl 0617.26010)
Fifer, Zbigniew Set-valued Jensen functional equation. (English) Zbl 0615.39006 Rev. Roum. Math. Pures Appl. 31, 297-302 (1986). Reviewer: K.Nikodem MSC: 39B52 PDFBibTeX XMLCite \textit{Z. Fifer}, Rev. Roum. Math. Pures Appl. 31, 297--302 (1986; Zbl 0615.39006)
Lundberg, Anders Cliff functions - a tool for treating sequences of composed functions. (English) Zbl 0418.54014 Aequationes Math. 18, 35-53 (1978). MSC: 54C60 54E45 39B62 PDFBibTeX XMLCite \textit{A. Lundberg}, Aequationes Math. 18, 35--53 (1978; Zbl 0418.54014) Full Text: DOI EuDML