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166 PR articles • 1,753 PR citations • Sorted by year • Download PDF (PDF by citations)
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1On convexity properties with respect to a Chebyshev system1.11Citations (PDF)
2Local and global Hölder- and Minkowski-type inequalities for nonsymmetric generalized Bajraktarević means1.10Citations (PDF)
3Estimating the Hardy Constant of Nonconcave Homogeneous Quasideviation Means0.20Citations (PDF)
4Decision making via generalized Bajraktarević means
Annals of Operations Research, 2023, 332, 461-480
3.30Citations (PDF)
5Characterizations of the equality of two-variable generalized quasiarithmetic means1.13Citations (PDF)
6Decomposition of Higher-Order Wright Convex Functions Revisited0.91Citations (PDF)
7Local and global comparison of nonsymmetric generalized Bajraktarević means1.12Citations (PDF)
8An Extension of the Abel–Liouville Identity0.20Citations (PDF)
9On the invariance of the arithmetic mean with respect to generalized Bajraktarević means
Acta Mathematica Hungarica, 2022, 166, 594-613
0.53Citations (PDF)
10Hutchinson’s theorem in semimetric spaces0.911Citations (PDF)
11On the equality problem of two-variable Bajraktarević means under first-order differentiability assumptions0.72Citations (PDF)
12Applications of the Bielecki renorming technique0.90Citations (PDF)
13An extension of the Rådström cancellation theorem to cornets
Semigroup Forum, 2021, 102, 765-793
0.53Citations (PDF)
14From the Ingham–Jessen property to mixed-mean inequalities1.13Citations (PDF)
15On additive functions with additional derivation properties
Publicationes Mathematicae, 2021, 99, 201-221
0.20Citations (PDF)
16New bounds for the ratio of power means0.60Citations (PDF)
17Characterization of approximately monotone and approximately Hölder functions0.22Citations (PDF)
18Characterization of the equality of Cauchy means to quasiarithmetic means1.13Citations (PDF)
19On the equality of two-variable general functional means
Aequationes Mathematicae, 2020, 95, 1011-1036
0.78Citations (PDF)
20On approximately monotone and approximately Hölder functions0.33Citations (PDF)
21On the Jensen convex and Jensen concave envelopes of means
Archiv Der Mathematik, 2020, 116, 423-432
0.45Citations (PDF)
22Convexity properties of functions defined on metric Abelian groups
Aequationes Mathematicae, 2020, 95, 449-481
0.70Citations (PDF)
23Convexity of sets in metric Abelian groups
Forum Mathematicum, 2020, 32, 1477-1486
0.61Citations (PDF)
24An Elementary Proof for the Decomposition Theorem of Wright Convex Functions0.22Citations (PDF)
25On Hardy type inequalities for weighted quasideviation means0.21Citations (PDF)
26On the homogenization of means
Acta Mathematica Hungarica, 2019, 159, 537-562
0.55Citations (PDF)
27On Hardy-type inequalities for weighted means0.82Citations (PDF)
28On the equality problem of generalized Bajraktarević means
Aequationes Mathematicae, 2019, 94, 651-677
0.710Citations (PDF)
29On the Equality of Bajraktarević Means to Quasi-Arithmetic Means0.911Citations (PDF)
30Equality and homogeneity of generalized integral means
Acta Mathematica Hungarica, 2019, 160, 412-443
0.55Citations (PDF)
31On a functional equation related to two-variable Cauchy means0.21Citations (PDF)
32On derivations with respect to finite sets of smooth functions
Acta Mathematica Hungarica, 2018, 154, 530-544
0.50Citations (PDF)
33On Kedlaya-type inequalities for weighted means1.49Citations (PDF)
34On a functional equation related to two-variable weighted quasi-arithmetic means1.210Citations (PDF)
35On the invariance equation for two-variable weighted nonsymmetric Bajraktarević means
Aequationes Mathematicae, 2018, 93, 37-57
0.710Citations (PDF)
36Support theorems in abstract settings
Publicationes Mathematicae, 2018, 93, 215-240
0.22Citations (PDF)
37On the best Hardy constant for quasi-arithmetic means and homogeneous deviation means0.24Citations (PDF)
38A new characterization of convexity with respect to Chebyshev systems0.61Citations (PDF)
39On the local and global comparison of generalized Bajraktarević means1.18Citations (PDF)
40Reducible means and reducible inequalities
Aequationes Mathematicae, 2017, 91, 505-525
0.72Citations (PDF)
41Asymptotic stability of the Cauchy and Jensen functional equations
Acta Mathematica Hungarica, 2016, 150, 131-141
0.53Citations (PDF)
42Implications between generalized convexity properties of real functions1.10Citations (PDF)
43Bernstein–Doetsch Type Theorems with Tabor Type Error Terms for Set-Valued Maps0.92Citations (PDF)
44Additive solvability and linear independence of the solutions of a system of functional equations0.62Citations (PDF)
45A general mean value theorem
Publicationes Mathematicae, 2016, 89, 161-172
0.21Citations (PDF)
46Characterization of the Hardy property of means and the best Hardy constants0.26Citations (PDF)
47Characterizations of higher-order convexity properties with respect to Chebyshev systems
Aequationes Mathematicae, 2015, 90, 193-210
0.73Citations (PDF)
48Characterization of generalized quasi-arithmetic means0.612Citations (PDF)
49Characterizations and decomposition of strongly Wright-convex functions of higher order
Opuscula Mathematica, 2015, 35, 37
1.43Citations (PDF)
50Monomial selections of set-valued maps
Aequationes Mathematicae, 2014, 58, 214-222
0.72Citations (PDF)
51Convexity with respect to families of means
Aequationes Mathematicae, 2014, 89, 161-167
0.73Citations (PDF)
52Convexity and a Stone-type theorem for convex sets in abelian semigroup setting
Semigroup Forum, 2014, 90, 207-219
0.53Citations (PDF)
53Bernstein--Doetsch type theorems for set-valued maps of strongly and approximately convex and concave type
Publicationes Mathematicae, 2014, 84, 229-252
0.25Citations (PDF)
54Bounded Solutions and Stability of Functional Quations for two Variable Functions
Resultate Der Mathematik, 2013, 26, 360-365
0.22Citations (PDF)
55Solving invariance equations involving homogeneous means with the help of computer1.811Citations (PDF)
56On approximately convex Takagi type functions0.65Citations (PDF)
57Approximate Hermite--Hadamard type inequalities for approximately convex functions0.23Citations (PDF)
58Korovkin type theorems and approximate Hermite–Hadamard inequalities
Journal of Approximation Theory, 2012, 164, 1111-1142
0.63Citations (PDF)
59Implications between approximate convexity properties and approximate Hermite-Hadamard inequalities
Open Mathematics, 2012, 10, 1017-1041
0.75Citations (PDF)
60Iterative fixed point theorems in E-metric spaces
Acta Mathematica Hungarica, 2012, 140, 134-144
0.511Citations (PDF)
61Wigner's theorem revisited
Publicationes Mathematicae, 2012, 81, 243-249
0.230Citations (PDF)
62On strong (α,?d)-convexity0.21Citations (PDF)
63On $\varphi$-convexity
Publicationes Mathematicae, 2012, 80, 107-126
0.212Citations (PDF)
64Characterizations of inner product spaces by strongly convex functions0.8107Citations (PDF)
65Equality of two-variable functional means generated by different measures
Aequationes Mathematicae, 2011, 81, 31-53
0.712Citations (PDF)
66A fixed point approach to stability of functional equations1.2164Citations (PDF)
67On the equality of quasi-arithmetic and Lagrangian means1.113Citations (PDF)
68The equality case in some recent convexity inequalities
Opuscula Mathematica, 2011, 31, 269
1.410Citations (PDF)
69Minkowski-type inequalities for means generated by two functions and a measure
Publicationes Mathematicae, 2011, 78, 743-753
0.22Citations (PDF)
70Approximate convexity of Takagi type functions1.114Citations (PDF)
71Co-Jacobian for Lipschitzian Maps0.99Citations (PDF)
72Computer aided solution of the invariance equation for two-variable Stolarsky means1.820Citations (PDF)
73Characterization of higher-order monotonicity via integral inequalities1.120Citations (PDF)
74Remarks on the comparison of weighted quasi-arithmetic means
Colloquium Mathematicum, 2010, 120, 77-84
0.413Citations (PDF)
75Strengthening of strong and approximate convexity∗
Acta Mathematica Hungarica, 2010, 132, 78-91
0.53Citations (PDF)
76Minkowski sums of Cantor-type sets
Colloquium Mathematicum, 2010, 119, 95-108
0.41Citations (PDF)
77On a certain stability of the Hermite–Hadamard inequality2.08Citations (PDF)
78A separation theorem for nonlinear inverse images of convex sets
Acta Mathematica Hungarica, 2009, 124, 125-144
0.53Citations (PDF)
79Decomposition of higher-order Wright-convex functions1.118Citations (PDF)
80Invariance equation for generalized quasi-arithmetic means
Aequationes Mathematicae, 2009, 77, 133-145
0.724Citations (PDF)
81The invariance of the arithmetic mean with respect to generalized quasi-arithmetic means1.116Citations (PDF)
82Computer aided solution of the invariance equation for two-variable Gini means2.430Citations (PDF)
83Infinite dimensional generalized Jacobian: Properties and calculus rules1.117Citations (PDF)
84Comparison of means generated by two functions and a measure1.115Citations (PDF)
85On convex functions of higher order0.25Citations (PDF)
86First- and second-order optimality conditions for a strong local minimum in control problems with pure state constraints1.27Citations (PDF)
87A note on three-parameter families and generalized convex functions1.12Citations (PDF)
88Estimates to the stability of functional equations
Aequationes Mathematicae, 2007, 73, 125-143
0.721Citations (PDF)
89Generalized Jacobian for Functions with Infinite Dimensional Range and Domain1.520Citations (PDF)
90Functional equations involving means
Acta Mathematica Hungarica, 2007, 116, 79-87
0.519Citations (PDF)
91Functional equations involving means and their Gauss composition0.615Citations (PDF)
92<mml:math altimg="si1.gif" overflow="scroll" xmlns:xocs="http://www.elsevier.com/xml/xocs/dtd" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.elsevier.com/xml/ja/dtd" xmlns:ja="http://www.elsevier.com/xml/ja/dtd" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:tb="http://www.elsevier.com/xml/common/table/dtd" xmlns:sb="http://www.elsevier.com/xml/common/struct-bib/dtd" xmlns:ce="http://www.elsevier.com/xml/common/dtd" xmlns:xlink="htt1.19Citations (PDF)
93On the Lipschitz perturbation of monotonic functions0.52Citations (PDF)
94Characterizations of convexity via Hadamard's inequality0.218Citations (PDF)
95Some comparison inequalities for Gini and Stolarsky means0.25Citations (PDF)
96Local monotonicity properties of two-variable Gini means and the comparison theorem revisited1.115Citations (PDF)
97Optimum problems with nonsmooth equality constraints1.22Citations (PDF)
98Hermite?Hadamard inequalities for generalized convex functions
Aequationes Mathematicae, 2005, 69, 32-40
0.715Citations (PDF)
99Carlson type inequalities for finite sums and integrals on bounded intervals0.50Citations (PDF)
100Hardy-type inequalities for means0.57Citations (PDF)
101ON APPROXIMATELY MIDCONVEX FUNCTIONS0.730Citations (PDF)
102Strong Local Optimality Conditions for State Constrained Control Problems1.23Citations (PDF)
103Critical and Critical Tangent Cones in Optimization Problems1.50Citations (PDF)
104On two-variable means with variable weights
Aequationes Mathematicae, 2004, 67, 154-159
0.716Citations (PDF)
105On &lt;em&gt;t&lt;/em&gt;-Convex Functions
Real Analysis Exchange, 2004, 29, 219
0.18Citations (PDF)
106Bernstein-Doetsch type results for quasiconvex functions0.23Citations (PDF)
107On approximately convex functions0.629Citations (PDF)
108Title is missing!
Acta Mathematica Hungarica, 2003, 100, 237-243
0.517Citations (PDF)
109On comparison of Stolarsky and Gini means1.121Citations (PDF)
110Optimal Control Problems with Set-Valued Control and State Constraints
SIAM Journal on Optimization, 2003, 14, 334-358
1.841Citations (PDF)
111Additive selections and the stability of the Cauchy functional equation
ANZIAM Journal, 2003, 44, 323-337
0.419Citations (PDF)
112Hadamard-type inequalities for generalized convex functions0.228Citations (PDF)
113Problems in the regularity theory of functional equations
Aequationes Mathematicae, 2002, 63, 1-17
0.711Citations (PDF)
114Extension theorems for functional equations with bisymmetric operations
Aequationes Mathematicae, 2002, 63, 266-291
0.78Citations (PDF)
115Factorization of Minty and Stampacchia variational inequality systems5.863Citations (PDF)
116On Dinghas-Type Derivatives and Convex Functions of Higher Order
Real Analysis Exchange, 2002, 27, 485
0.114Citations (PDF)
117Solution of a functional equation arising in an axiomatization of the utility of binary gambles0.68Citations (PDF)
118A functional equation arising from ranked additive and separable utility0.68Citations (PDF)
119⊥-order automorphisms of Hilbert space effect algebras: The two-dimensional case
Journal of Mathematical Physics, 2001, 42, 1907-1912
1.218Citations (PDF)
120A regularity theorem for composite functional equations
Archiv Der Mathematik, 2001, 77, 317-322
0.47Citations (PDF)
121The critical tangent cone in second-order conditions for optimal control1.25Citations (PDF)
122Title is missing!
Acta Mathematica Hungarica, 2001, 90, 271-282
0.529Citations (PDF)
123On a Class of Means of Several Variables0.21Citations (PDF)
124On a functional equation arising from joint-receipt utility models
Aequationes Mathematicae, 2000, 59, 273-286
0.72Citations (PDF)
125On stability for the Jensen equation on intervals
Aequationes Mathematicae, 2000, 60, 291-297
0.71Citations (PDF)
126Optimum Problems with Measurable Set-Valued Constraints
SIAM Journal on Optimization, 2000, 11, 426-443
1.814Citations (PDF)
127Nonconvex functions and separation by power means0.211Citations (PDF)
128A localized version of Ky Fan’s minimax inequality1.24Citations (PDF)
129Solution to a Functional Equation Arising from Different Ways of Measuring Utility1.16Citations (PDF)
130Characterization of L1-Closed Decomposable Sets in L∞1.117Citations (PDF)
131Abstract separation theorems of Rodé type and their applications
Annales Polonici Mathematici, 1999, 72, 207-217
0.313Citations (PDF)
132Optimum Problems with Certain Lower Semicontinuous Set-Valued Constraints1.819Citations (PDF)
133Hyers-Ulam stability of functional equations with a square-symmetric operation7.635Citations (PDF)
134Minkowski’s inequality for two variable difference means0.615Citations (PDF)
135On a superadditivity property of Gram’s determinant
Aequationes Mathematicae, 1997, 54, 199-204
0.72Citations (PDF)
136Inequalities for Indefinite Forms1.115Citations (PDF)
137Inverse and Implicit Function Theorems for Nonsmooth Maps in Banach Spaces1.140Citations (PDF)
138Separation via quadratic functions
Aequationes Mathematicae, 1996, 51, 209-229
0.73Citations (PDF)
139Generalized hessian forC 1,1 functions in infinite dimensional normed spaces
Mathematical Programming, 1996, 74, 59-78
1.618Citations (PDF)
140First- and Second-Order Necessary Conditions for Control Problems with Constraints0.920Citations (PDF)
141General necessary and sufficient conditions for constrained optimum problems
Archiv Der Mathematik, 1994, 63, 238-250
0.48Citations (PDF)
142Linear selections for set-valued functions and extension of bilinear forms
Archiv Der Mathematik, 1994, 62, 427-432
0.414Citations (PDF)
143Nonsmooth Optimum Problems with Constraints2.169Citations (PDF)
144First- and second-order necessary conditions for control problems with constraints0.947Citations (PDF)
145A general version of Young's inequality
Archiv Der Mathematik, 1992, 58, 360-365
0.46Citations (PDF)
146On reduction of linear two variable functional equations to differential equations without substitutions
Aequationes Mathematicae, 1992, 43, 236-247
0.77Citations (PDF)
147On the convergence of means1.110Citations (PDF)
148Inequalities for sums of multipowers
Acta Mathematica Hungarica, 1990, 56, 165-175
0.52Citations (PDF)
149Essential inequalities for means0.34Citations (PDF)
150A Stone-type theorem for Abelian semigroups
Archiv Der Mathematik, 1989, 52, 265-268
0.46Citations (PDF)
151A generalization of the Dubovitskii-Milyutin separation theorem for commutative semigroups
Archiv Der Mathematik, 1989, 52, 384-392
0.42Citations (PDF)
152A Hahn-Banach theorem for separation of semigroups and its applications
Aequationes Mathematicae, 1989, 37, 141-161
0.711Citations (PDF)
153The associativity equation revisited
Aequationes Mathematicae, 1989, 37, 306-312
0.757Citations (PDF)
154On a pexider-type functional equation for quasideviation means
Acta Mathematica Hungarica, 1988, 51, 205-224
0.59Citations (PDF)
155On homogeneous quasideviation means
Aequationes Mathematicae, 1988, 36, 132-152
0.714Citations (PDF)
156General inequalities for quasideviation means
Aequationes Mathematicae, 1988, 36, 32-56
0.719Citations (PDF)
157Inequalities for sums of powers1.139Citations (PDF)
158Inequalities for differences of powers1.169Citations (PDF)
159The Behaviour of Means Under Equal Increments of Their Variables0.49Citations (PDF)
160On the characterization of quasiarithmetic means with weight function
Aequationes Mathematicae, 1987, 32, 171-194
0.729Citations (PDF)
161Hölder-type inequalities for quasiarithmetic means
Acta Mathematica Hungarica, 1986, 47, 395-399
0.55Citations (PDF)
162On the generalization of quasiarithmetic means with weight function
Aequationes Mathematicae, 1986, 31, 324-325
0.72Citations (PDF)
163On inequalities for products of power sums
Monatshefte Fur Mathematik, 1985, 100, 137-144
0.64Citations (PDF)
164On Hölder-type inequalities1.110Citations (PDF)
165A generalization of the Minkowski inequality1.111Citations (PDF)
166Characterization of quasideviation means
Acta Mathematica Hungarica, 1982, 40, 243-260
0.530Citations (PDF)