# Department of Mathematics, Corvinus University of Budapest

# Pure Mathematics and Applications

Postal: 1093 Budapest, Fővám tér 8

Phone: +36-1-482-5347

Web page: http://economics.uni-corvinus.hu/

Email:

More information through EDIRC

Phone: +36-1-482-5347

Web page: http://economics.uni-corvinus.hu/

Email:

More information through EDIRC

**Editor:**The email address of this editor does not seem to be valid anymore. Please ask Peter Tallos to have the entry updated or send us the correct address.

**For corrections or technical questions regarding this series, please contact (Gyula MagyarkÃºti) The email address of this maintainer does not seem to be valid anymore. Please ask Gyula MagyarkÃºti to update the entry or send us the correct address.**

**Series handle:**repec:cmt:pumath

**Citations RSS feed:**at CitEc

### Impact factors

- Simple (last 10 years)
- Recursive (10)
- Discounted (10)
- Recursive discounted (10)
- H-Index (10)
- Aggregate (10)

**Access and download statistics**

**Top item:**

### 1995, Volume 6, Issue 1

**25-30 The semigroup of compact subsets of a topological group***by*Chae, Y., Kim, J. & Choi, I.S.**31-39 Symmetry on $q$-Pfaff-Saalschutz-Sheppard-series***by*Chu, W.**41-50 Monotone solutions of a functional integral equation***by*El-Sayed, W.G. & Deebes, E.I.**51-56 A note on semigroups, ordered semigroups***by*Kehayopulu, N. & Lajos, S.**57-67 The subsets $C\sb n$ in finite groups and inverse semigroups. II***by*Migliorini, F. & SzÃ©p, J.**69-77 Qualitative properties of solutions to quasi-linear inclusions. II***by*MureÅŸan, M.**79-96 On the numerical imbedding method***by*Park, C.**97-104 On coded structures. VII***by*SzÃ©p, J.**105-120 On quasi-prime, weakly quasi-prime left ideals in ordered semigroups***by*Xie, X. & Wu, M.

### 1994, Volume 5, Issue 4

**391-401 Exponential convergence of discrete-time systems using a constrained control***by*Gyurkovics, Ã‰. & TakÃ¡cs, T.**403-414 On the optimization of input-output systems cost functions***by*MolnÃ¡r, S.**415-424 On time varying discrete-time linear systems: reachability, distinguishability and identifiability***by*MolnÃ¡r, S. & Szigeti, F.**425-429 A note on the coverability problem in input-output systems***by*Szidarovszky, F. & MolnÃ¡r, S.

### 1994, Volume 5, Issue 3

**251-256 Finite groups with normal subgroups of prime power orders***by*Asaad, M., Ramadan, M. & Ezzat, M.**257-279 Near-rings in which every prime factor is integral***by*Birkenmeier, G.F., Heatherly, H.E. & Lee, E.K.S.**281-291 Dickson near-rings constructed by prolonging coupling maps***by*Gallina, G.**293-297 Note on prime, weakly prime ideals in ordered semigroups***by*Kehayopulu, N., Lajos, S. & Tsingelis, M.**299-303 Primary ideals of topological semigroups***by*Shum, K.P.**305-310 A note on the classification of flexible division algebras***by*Wene, G.P.**311-316 Boundary value of a contact problem***by*Abdou, M.A. & Hassan, S.A.**317-329 New results in subhypergroup theory and in nucleus structure***by*Leoreanu, V.**331-353 Qualitative properties of solutions to quasi-linear inclusions. I***by*MureÅŸan, M.**355-362 A Filippov-Gronwall-type inequality in infinite-dimensional spaces***by*TallÃ³s, P.**363-375 Convergence analysis of a trust region method***by*Xia, Z.H.

### 1994, Volume 5, Issue 2

**127-140 Incidence structures and permutation sets***by*Bonisoli, A. & Quattrocchi, P.**141-151 Some remarks on matrices with dominant diagonal***by*De Giuli, M.E., Magnani, U. & Moglia, P.**153-160 On the $(1,k)$-commutativity in semigroups satisfying permutation identities***by*GuÅ£an, M.**161-176 On regular, regular duo ordered semigroups***by*Kehayopulu, N.**177-185 On regular, regular and intra-regular ordered semigroups***by*Kehayopulu, N. & Lajos, S.**187-190 Characterizations of some classes of semigroups. II***by*Lajos, S.**191-194 On free and torsion-free automata***by*Park, C.**195-199 A generalisation of Green-Rees' finiteness condition for semigroups***by*Piochi, B.**201-204 On a completely additive incidence function***by*Schwab, E.D.**205-216 The subsets $C\sb n$ in the finite groups. I***by*Migliorini, F. & SzÃ©p, J.**217-224 On coded structures. VI***by*SzÃ©p, J.**225-239 Farkas type theorems for generalized convexities***by*IllÃ©s, T. & Kassay, G.**241-243 Errata to: ``Universal eigenvalue equations'' [Pure Math.\ Appl.\ Ser.\ B \bf 3 (1992), no.\ 2-4, 231--288; MR1241861 (95a:08002)]***by*Ricci, G.

### 1994, Volume 5, Issue 1

**1-10 Semisimple classes of involution rings and elementwise properties***by*Aburawash, U.A.**11-20 Rees products in $C\sp k\sb s$ semigroups***by*Chae, Y. & Choi, K.**21-45 Bidiagonalizable algebras***by*Simi, G.**47-57 Asymptotic theory for second-order differential equations***by*Al-Hammadi, A.S.A.**59-73 A convergence analysis for rational methods with a parameter in a Banach space***by*Argyros, I.K., Chen, D. & Qian, Q.**75-78 On the stability regions of special matrix products***by*Szidarovszky, F. & MolnÃ¡r, S.**79-104 Asymptotics for Lagrange inversion***by*Sprugnoli, R. & Verri, M.C.**105-125 Cardinal invariants and cleavability, something old and something new***by*KoÄinac, L.D.

### 1993, Volume 4, Issue 4

**409-428 Inversion techniques and combinatorial identities---strange evaluations of hypergeometric series***by*Chu, W.C.**429-438 The application of finite simple groups to the generation of strong pseudorandom sequences and permutations***by*DÃ©nes, J. & Yff, P.**439-445 The Poisson manifold $\rm so(3)\sp *$ and its quantization***by*Ivan, G. & PopuÅ£a, V.**447-461 On regular, intra-regular ordered semigroups***by*Kehayopulu, N.**463-466 Notes on $(m,n)$-commutative semigroups***by*Lajos, S.**467-470 On simple rings with non-trivial socle***by*Ng, S.H. & Shum, K.P.**471-477 On coded structures. V***by*SzÃ©p, J.**479-491 Contraction-selection theorem and perturbed Lipschitz inclusions***by*KÃ¡nnai, Z.**493-499 Stabilization of verticum-type systems***by*MolnÃ¡r, S. & TakÃ¡cs, T.**501-505 Control in a special consumer-producer market***by*Szidarovszky, F. & Yen, J.

### 1993, Volume 4, Issue 3

**259-281 Groups with small centralizers of non-central elements. II***by*Adami, S., Bianchi, M. & Verardi, L.**283-296 Reduction of until-since operators to unary tense operators***by*Bellissima, F. & Mirolli, M.**297-309 On a class of quasi-local near-rings***by*Cotti Ferrero, C. & Ferrero, G.**311-316 Transformation of multiply transitive permutation sets and finite regular near-fields***by*Rinaldi, G.**317-327 On intra-regular ordered semigroups***by*Kehayopulu, N., Lajos, S. & Tsingelis, M.**329-331 Solution to a problem by Niovi Kehayopulu***by*Lajos, S.**333-338 Green's relations for principal generalized $\alpha$-ideals and principal $\alpha$-ideals in semigroups***by*Lajos, S. & Å ulka, R.**339-346 Multiplicative and additive elements in the ring of formal power series***by*Schwab, E.D.**347-352 On coded structures. IV***by*SzÃ©p, J.**353-361 Kalman's rank conditions for time dependent linear systems***by*MolnÃ¡r, S., Szigeti, F. & Vera, C.E.**369-373 On the convergence of an Euler-Chebysheff-type method under Newton-Kantorovich hypotheses***by*Argyros, I.K.**375-389 Conjugate direction algorithms with special (isometric or quasi-isometric) initial vectors***by*BodÃ³cs, L.**391-407 Solving tridiagonal system of linear equations in parallel***by*MihajloviÄ‡, M.D., MilovanoviÄ‡, I.Å½., StojÄev, M.K. & MilovanoviÄ‡, E.I.

### 1993, Volume 4, Issue 2

**133-141 Radicals of involution rings and elementwise properties***by*Aburawash, U.A.**143-145 Differentiable semigroups on a sphere***by*Chae, Y., Shin, J.M. & Lim, Y.**147-165 The complete integral closure of monoids and domains***by*Geroldinger, A.**167-173 On $n\sb (2)$-permutable semigroups***by*GuÅ£an, M.**175-190 An algebraic identity and its application---the unification of some matrix inverse pairs***by*Chu, W.C.**191-198 On coded structures. III***by*SzÃ©p, J.**199-209 On the solution of undetermined systems of nonlinear equations in Euclidean spaces***by*Argyros, I.K.**211-226 On structure of directional derivative and kernel for quasidifferentiable functions***by*Xia, Z.Q. & Gao, Y.**227-240 Discrete-time interconnected systems with mismatched uncertainty***by*TakÃ¡cs, T.**241-258 A method to determine weights of criteria in multiattribute decision making***by*Tu, T.V.

### 1993, Volume 4, Issue 1

**5-33 Exponential discretization of variable structure control systems***by*Yu, X.**35-42 VSS control of robotic manipulators by joint acceleration controller***by*Jezernik, K., Curk, B., Harnik, J. & SabanoviÄ‡, A.**43-58 Optimization of inverter switching pattern in sliding mode control of an inverter driven AC motor***by*Cucej, Z.**59-73 Steady modes in discontinuous control systems with time delay***by*Shustin, E.I., Fridman, Ãˆ.M. & Fridman, L.M.**75-82 Stabilization of infinite-dimensional systems by nonlinear boundary control***by*Rebiai, S.E. & Zinober, A.S.I.**83-97 VSC MATLAB Toolbox for multivariable variable structure control systems***by*Zinober, A.S.I. & Woodham, C.A.**99-133 Adaptive learning in perceptrons: a sliding mode control approach***by*Sira-Ramirez, H. & Colina-Morles, E.

### 1992, Volume 3, Issue 3-4

**135-139 Pure-$1$-$2$-$3$ subgroups in abelian groups***by*Abdulla, H.M.A.**141-145 On minimal neat subgroups***by*Abdulla, H.M.A.**147-153 Retractable Mealy-automata***by*BabcsÃ¡nyi, I. & Nagy, A.**155-160 Additional conjectures concerning magic squares***by*DÃ©nes, J. & Mullen, G.L.**161-183 Construction of subdirect products of groups of integers. I***by*Dickinson, R. & Tamura, T.**185-190 Planar functions: a remark concerning the number of solutions of an equation***by*Faina, G. & Ughi, E.**191-198 On a strongly regular relation in hypergroupoids***by*Freni, D.**199-214 More simple constructions for elliptic cubic curves with small numbers of points***by*Keedwell, A.D.**215-217 Some remarks on $(m,n)$-commutative semigroups***by*Lajos, S.**219-224 On radicals and rings with involution***by*Lee, P.H. & Wiegandt, R.**225-232 On some geometrical properties of alternative Cayley-Steiner algebras***by*Lenzi, D.**233-242 Chains and cycles in the subsets $C\sb n$ of the finitely generated and periodic semigroups. II***by*Migliorini, F. & SzÃ©p, J.**243-250 On projective automata***by*Oehmke, R.H.**251-257 Principal tolerance trivial inverse semirings***by*PondÄ•lÃÄek, B.**259-265 The greatest semigroup image of a groupoid***by*Satko, L.**267-270 Cayley theorem of semilattices***by*Shum, K.P. & Yang, A.Z.**271-288 On coded structures. II***by*SzÃ©p, J.**289-293 On the opposite of an algebra and commutative isotopes***by*Wene, G.P.**295-297 A characterization of algebras of finite representation type***by*Zayed, M.

### 1992, Volume 3, Issue 2-4

**77-86 On the convergence of optimization algorithms modeled by point-to-set mappings***by*Argyros, I.K. & Szidarovszky, F.**87-102 Topological classification of reducible subshifts***by*Kim, K.H. & Roush, F.W.**103-117 Spectral technique for simulation of nonlinear system of circuit equations***by*Palusinski, O.A., Szidarovszky, F. & Abdennadher, M.**119-136 Properly topologically conjugated relators***by*Mala, J. & SzÃ¡z, Ã.**137-142 Zeeman stability for two species which are competitives***by*Rueda, A.D.**143-150 Modified Cournot expectations in dynamic oligopolies***by*Szidarovszky, F., Rassenti, S. & Yen, J.**151-155 On a generalized method of correlated sampling for numerical integration***by*Szidarovszky, F.**157-173 On the solution of nonlinear operator equations in Banach space and their discretizations***by*Argyros, I.K.**175-185 Mapping fairness: some preliminary notes on the adaptation of the Schroeder-Bernstein theorem to economic theory***by*McNutt, P.A.**187-205 Stabilization of discrete-time interconnected systems***by*Gyurkovics, Ã‰. & TakÃ¡cs, T.**207-229 Affine shape control of cubics***by*KociÄ‡, L.M.**231-288 Universal eigenvalue equations***by*Ricci, G.

### 1992, Volume 3, Issue 1-4

**1-8 Necessary and sufficient conditions for the existence of equilibria in general conflict models***by*Szidarovszky, F. & Zsitvay, T.D.**9-13 The stability of discrete and continuous dynamic economic processes with instantaneous adjustment***by*MolnÃ¡r, S. & Szidarovszky, F.**15-23 Limit cycles in Goodwin's model***by*Navarro, J.G.**25-33 Limit cycles in dynamic economic models***by*Merrill, B. & Szidarovszky, F.**113-122 On the uniqueness of equilibrium in Cournot oligopoly with product differentiation***by*Szidarovszky, F. & Okuguchi, K.

### 1992, Volume 2, Issue 3-4

**157-160 Groups without certain minimal nonnilpotent subgroups***by*Asaad, M.**161-174 $(t;m,n)$-commutative automata***by*BabcsÃ¡nyi, I.**175-180 On $(m,n)$-commutative semigroups***by*BabcsÃ¡nyi, I.**181-185 Note on the number of solutions of an equation***by*Faina, G. & Ughi, E.**187-204 Syntactic linear[near]-rings associated with groups semiautomata***by*Fong, Y., Huang, F.K. & Ke, W.F.**205-213 Automorphisms of full shifts and Turing machines***by*Kim, K.H. & Roush, F.W.**215-237 Bi-ideals in semigroups. I. A survey***by*Lajos, S.**239-248 On the homomorphic images of ordered semigroups***by*Merlier, T.**249-279 The Motzkin family***by*Barcucci, E., Pinzani, R. & Sprugnoli, R.**281-284 A new proof of Putcha's theorem***by*ProtiÄ‡, P.V.**285-290 Factoring certain infinite abelian groups by cyclic subsets***by*CorrÃ¡di, K. & SzabÃ³, S.**291-306 Two 15th century algebra texts derived from the treatise of Master Dardi of Pisa***by*Simi, A.

### 1991, Volume 2, Issue 4

**189-197 Connectedness and well-chainedness properties of symmetric covering relators***by*Kurdics, J., Mala, J. & SzÃ¡z, Ã.**199-201 On polynomial integrating factors for first order ordinary differential equations***by*Stallworth, D.T. & Roush, F.W.**203-213 On the approximate realizability of analytic transfer functions by population diffusion***by*MolnÃ¡r, A. & Szigeti, F.**215-225 Systems of multivalued equations for solving controllability problems***by*Conti, G., Nistri, P. & Zecca, P.**227-238 Optimality conditions in multiobjective quasidifferentiable programming***by*Guangzhong, L. & Guangxue, H.

### 1991, Volume 2, Issue 2-3

**81-92 The birth of limit cycles in Cournot oligopoly models with time delays***by*Chiarella, C.**93-100 Stability of a special oligopoly market***by*Szidarovszky, F. & Yen, J.**163-187 Equilibria in markets with product differentiation and free entry***by*Furth, D.

### 1991, Volume 2, Issue 1

**3-22 On the structure of inert automorphisms of subshifts***by*Kim, K.H. & Roush, F.W.**5-13 A family of cost allocation methods for a tree***by*ForgÃ³, F. & Olajos, M.**23-31 An existence theorem for differential inclusions in Banach spaces***by*KÃ¡nnai, Z.**33-42 Strong shift equivalence over subsemirings of $\bf Q\sp +$***by*Kim, K.H. & Roush, F.W.**43-51 The effects of entry in an oligopoly with multi-product firms***by*Szidarovszky, F. & Okuguchi, K.

### 1991, Volume 1, Issue 3-4

**217-234 Rings whose multiplicative semigroups are nil-extensions of a union of groups***by*Ä†iriÄ‡, M. & BogdanoviÄ‡, S.**235-240 Permutations with restricted position and simplicial complexes***by*Kim, K.H. & Roush, F.W.**241-244 On finite subsemigroups of $\rm GLS\sb n(\bf C)$***by*Kim, K.H. & Roush, F.W.**245-250 Some remarks on $(3,3)$-commutative semigroups***by*Lajos, S.**251-254 Notes on zero-symmetric near-rings***by*Lajos, S.**255-256 Correction to: ``A commutativity theorem for one-sided $s$-unital rings''***by*Abujabal, H.A.S., Khan, M.A. & Khan, M.S.**257 Errata to: ``Near-rings with left and right self-distributive multiplication'' [Pure Math.\ Appl.\ Ser.\ A \bf 1 (1990), no.\ 2, 117--127; MR1095009 (92a:16050)]***by*Benini, A. & Pellegrini, S.**263-273 To the memory of Professor IstvÃ¡n PeÃ¡k***by*BagyinszkinÃ©-Orosz, A., HorvÃ¡th, S. & HunyadvÃ¡ri, L.**275-286 On the simplicity of cyclic Mealy-automata***by*BabcsÃ¡nyi, I.**287-297 Relations between classes of languages accepted by standard generalized homogeneous super-nets***by*BagyinszkinÃ©-Orosz, A. & Bagyinszki, J.**299-315 Translations of relation schemes and representations of closed sets***by*Demetrovics, J. & Huy, N.X.**317-324 Computation and simulation on finite networks of automata***by*DÃ¶mÃ¶si, P. & KovÃ¡cs, B.**325-327 $q$-morphisms and QDOL systems***by*Ito, M. & Thierrin, G.**329-336 Minimal context in regenerative $IL$-systems***by*KelemenovÃ¡, A.**337-342 An application of fuzzy graphs in database theory***by*Kiss, A.**343-355 Dead word languages and adult languages***by*Kudlek, M.**357-361 New insights to the relationship among some special complexity classes***by*Lischke, G.**363-367 Dependencies in knowledge- and relational databases***by*MÃ¡rkus, T.**369-374 A temporal logic specification of a transaction management system***by*RÃ¡cz, Ã‰. & Kozma, L.

### 1990, Volume 1, Issue 4

**203-230 On the automorphism groups of subshifts***by*Kim, K.H. & Roush, F.W.**221-230 On feedback universality of discrete systems***by*SolÃ©, L.**231-239 On the existence and uniqueness of equilibrium in Cournot oligopoly with product differentiation***by*Szidarovszky, F. & Okuguchi, K.**241-249 Viability theorems with convex and weakly compact right-hand side***by*KÃ¡nnai, Z.**251-256 Full shifts over $\bf R\sp +$ and invariant tetrahedra***by*Kim, K.H. & Roush, F.W.**257-278 Adaptive and extrapolative expectations in a producer-consumer multiple market***by*MolnÃ¡r, S., Szidarovszky, F. & Lengyel, L.**299-310 State-space description of certain discrete-event systems***by*SolÃ©, L.**231-267 The methods of exploratory factor analysis***by*FÃ¼stÃ¶s, L.

### 1990, Volume 1, Issue 2-3

**73-83 Continuity of bargaining solutions defined with respect to a criterion***by*Lahiri, S.**85-98 On coded structures***by*SzÃ©p, J., Lugosi, E. & SzÃ©p, I.J.**87-95 A Bayesian approach for updating weights of criteria for multicriteria decision problems***by*ForgÃ³, F. & Schick, G.J.**99-107 Block-$M$-matrices and their properties***by*Liu, D. & Szidarovszky, F.**105-126 Measurement of the reliability of projected data***by*Matits, Ã.**109-114 A general scheme for matrices with nonnegative inverses***by*Szidarovszky, F. & Okuguchi, K.**115-121 On stable adaptive control systems***by*Szidarovszky, F., Bahill, T.A. & MolnÃ¡r, S.**123-141 Sliding mode control of nonlinear first-order distributed parameter systems***by*Sira-Ramirez, H. & Rivero Mendoza, J.**143-160 Topologies on the collection of closed subsets of a Banach space***by*Dancs, S.**161-167 On the stability problems of first order partial differential equations***by*Szigeti, F.**169-178 On the product of exponentials as solutions of first order linear partial differential equations***by*Szigeti, F.**179-183 Morrey's inequality on the fractional Sobolev space***by*Merentes, N.**185-188 An equation for families of relations***by*Mala, J.**189-202 Vectorized ABS conjugate direction algorithms on the IBM 3090 VF***by*Abaffy, J. & Bertocchi, M.

### 1990, Volume 1, Issue 1

**3-15 Multiproduct Cournot oligopolies with market saturation***by*Szidarovszky, F.**5-9 Hamilton-circuits in finite graphs***by*CorrÃ¡di, K.**11-19 Products of automata and homomorphic simulation***by*DÃ¶mÃ¶si, P.**17-23 Cournot equilibrium and joint profit maximizing prices in multi-product oligopolies***by*Szidarovszky, F.**21-28 A remark on a result by A. Thue***by*Inglese, G. & Pirillo, G.**25-38 Viability theorems in Banach spaces***by*KÃ¡nnai, Z. & SzabÃ³, I.**29-32 Finitely generated semigroups and the problem of Burnside***by*Migliorini, F. & SzÃ©p, J.**33-37 On finitely generated semigroups with permutation property***by*Migliorini, F. & SzÃ©p, J.**39-45 Composition of functions of bounded $\overset\rightarrow\to p$-variation***by*Merentes, N.**45-48 A finiteness condition for semigroups generated by a finite set of elements of finite order***by*Justin, J. & Pirillo, G.**47-55 Extrapolative expectations in an oligopoly with multi-product firms***by*Szidarovszky, F. & Okuguchi, K.**49-57 A finiteness condition for finitely generated semigroups with periodic generators***by*Piochi, B.**57-65 On multistep and monotone stability of equilibria in a multi-product oligopoly***by*Szidarovszky, F. & Okuguchi, K.