Publications with citations
 
                                                     (Attila Nagy)
 

Book:

[1] Special Classes of Semigroups,
        Kluwer Academic Publishers, Dordrecht/Boston/London, 2001

       
        MR 1777265 (2002d;20091) pdf

       [1]Abdullahu, Fitore, Idempotents in semimedial semigroups,

       International Journal of Algebra, Vol. 5, 2011, no. 3, 129 - 134

       [2] Grillet, P.A., Special Classes of Semigroups (book review),
        Semigroup Forum, 70(2005), 156-158
        [3] Grillet, P.A., Commutative Semigroups, Kluwer Academic    

Publishers, Dordrecht/Boston/London, 2001

        [4*] Kehayopulu, N., Ideals, Green's relations in ordered semigroups,
        Hindawi Publishing Corporation, International Journal of Mathematics and Mathematical
        Sciences,, Volume 2006, Article ID 61286, Pages 1-8

        [5*] Kehayopulu, N., M. Tsingelis, An enbedding problem in ordered semigroups,
        Acta Math. Sinica
        [6] Kehayopulu, N., M. Tsingelis, Semilattices of archimedean ordered semigroups,

Algebra Colloquium, 15(2008), 527-540

[7] Kehayopulu, N., M. Tsingelis, Archimedean ordered semigroups as ideal extensions,

Semigroup Forum, 78(2009), No. 2, 343-348

[8] Mary, Xavier, Classes of semigroups modulo Greens relation H, ArXiv1203:3740v1
         [Math.GR] 16 Mart 2012

[9] Vassilev, J.C., Structure on the set of closure operations of a
        commutative ring,   (preprint submitted to Journal of Algebra )
         (arXiv:0809.2021v1 [mathAC] 11 Sep 2008)

         [10] Ferrero, G., Nearring: Some Developments linked to Semigroups and Groups
        Kluwer Academic Publishers, Dordrecht/Boston/London, 2002


Papers published in English:

 

[2]  The separator of a subset of a semigroup,  
         Publ. Math., Debrecen, 1980, 25-30

 

MR. 81k;20088 pdf

Zbl. 461.20044


[3]  Semigroups whose proper two-sided ideals are power joined,  
 
       Semigroup Forum, 25(1982), 325-329

 

MR. 84e;20074 pdf

Zbl. 498.20047
 
         [1] Bogdanovic, S., Semigroups whose proper ideals are archimedean semigroups,

         Zbornik radova Prirodno-matematickog fakulteta-Univverzitet u Novom Sadu
          13 (1983), 289-296

[2] Bogdanovic, S., Semigroups with a system of subsemigroups, Novi Sad, 1985

[3*] Cherubini, A. and A. Varisco, Semigroups and rings whose proper one-sided

ideals are power joined,

 Czechoslovak Mathematical Journal, 34(1984) No 1, 121-125

[4]  Melanija S. Mitrowic, Semilattices of Archimedean Semigroups,

 SVEN-Nis, 2003 (ISBN 86-80587-32-x)

 

[4]   The least separative congruence on a weakly commutative semigroup,
 
        Czechoslovak Math. Journal, 32(1982), 630-632

 
MR. 84e;20073 pdf
Zbl. 508.20034
[1] Brinckmann, J., On the least separative congruence on a semigroup,  
Semigroup Forum 30(1984), 365-370
[2] Brinckmann, J., Über die kleinste separative Kongrueny auf einer Halbgruppe,        
Czechoslovak Mathematical Journal 35 (1985), 300-311
[3] Strecker, R., H-commutative D -semigroups,
Rostock, Math. Kolloq, 49(1995), 98-104
[4*] Protich P. and N. Stevanovic, AG-test and some general properties of
Abelian-Gassman
s groupoids, PU.M.A. Vol. 6(1995), No. 4, pp. 371-383
[5] Stevanovic, N., P.V. Protic, Strukture of weakly externally commutative
semigroups, Algebra Colloquium, 13(2006), 441-446      


[5]  Weakly exponential semigroups,  
         Semigroup Forum, 28(1984), 291-302

 

MR. 85i;20070 pdf

Zbl. 524.20037

[1] Bogdanovic, S., Semigroups with a system of subsemigroups, Novi Sad, 1985

[2] Pondelicek, B., On generalized conditionally commutative semigroups,

Mathematica Slovaca, 44(1994), No.3, 359-364

[3] Jiang, Z., On medial local semigroups,

Semigroup Forum, Vol. 46(1993), 120-122

[4*] Pondelicek, B., Note on band decomposition of weakly exponential

 semigroups, Annales Univ. Sci., Budapest, 29(1986), 139-141

[5] Marcus, A., Retract extension of completely simple semigroups

 by nilsemigroups, Mathematica, Tom. 34(57), No. 1, 1992,  37-41  

          [6] Muhammad Sarwar (Kamran), Conditions for LA-semigroups to

          resemble associative structuresPh.D dissertation, 

          Department of Mathematics Quaid-i-Azam University, Islamabad, 1993

          [7] Harinath, K.S., An extended class of exponential semigroups,

          J. Ramanujan Math. Soc. 6 (1991), no. 1-2, 141-149

[6]  Band decomposition of weakly exponential semiroups,  
        Semigroup Forum, 46(1993), 120-122

 

MR. 85i;20070b pdf

Zbl. 527.20047

[1*] Bogdanovic, S., Semigroups with a system of subsemigroups, Novi Sad, 1985

[2] Pondelicek, B., Note on band decomposition of weakly exponential

semigroups, Annales Univ. Sci., Budapest, 29(1986),  139-141

 [3] Harinath, K.S., An extended class of exponential semigroups,

J. Ramanujan Math. Soc. 6: (1-2)(1991), 141-149

          [4] Abdullahu, Fitore and Zejnullahu, Abdullah, Notes on

          semimedial semigroups, Commentationes Mathematicae

          Universitatis Caroline, Vol. 50, Issue 3, 2009, 321-324



[7]  On semigroups which are not divided by any non-trivial semigroups with an

     identity,  Semigroup Forum, 20(1984),  251-252

 

MR. 85b;20088 pdf

Zbl. 545.20053

 

[8]  On n-unitary subsemigroups of semigroups,  
         Proceedings of the Japan Academy, Vol. 60, Ser., A., No. 3(1984),101-104

 

MR.86b;20078 pdf

Zbl. 557.20038

 
 

[9]  WE-m semigroups,  
         Semigroup Forum, 32(1985), 241-250

 

MR. 87e;20119 pdf

Zbl. 571.20061

[1] Jiang, Z., On medial local semigroups,

Semigroup Forum, Vol. 46(1993), 120-122

[2*] Marcus, A., Retract extension of completely simple semigroups by

 nilsemigroups, Mathematica, Tom. 34(57), No. 1, 1992,  37-41

          [3] Harinath, K.S., An extended class of exponential semigroups,

          J. Ramanujan Math. Soc. 6 (1991), no. 1-2, 141-149

 

[10]  Subdirectly irreducible WE-2 semigroups with globally idempotent core,  
        Semigroup, Theory and Applications (Proceedings, Oberwolfach, 1986),
 
       Lecture Notes on Mathematics, Springer-Verlag, 1320(1986), 244-250

 

MR. 89i;20094 pdf

Zbl. 645.20041

 

[11]  Regular WE-2 semigroups,
 
       Semigroup Forum, 34(1986), 225-234

 

MR. 87m;20165 pdf

Zbl. 606.20052

 

 

[12]  Weakly exponential Delta-semigroups,
 
        Semigroup Forum, 40(1990), 297-313

 

MR. 91b;20083 pdf

Zbl. 701.20036

[1] Strecker, R., H-commutative D -semigroups, Rostock, Math. Kolloq,

 49(1995), 98-104

[2] Pondelicek, B., On generalized conditionally commutative semigroups,

Mathematica Slovaca, 44(1994), No.3, 359-364

[3*] Mitsch, H., Semigroups and their lattice of congruences 2,

Semigroup Forum 54(1997), No. 1, 1-42

[4] Lee, E.H. and Oehmke, R.H., Semigroups whose proper right congruences

form a tree, Acta Mathematica Hungarica, 84(1999) No. 4, 293-315

[5] Jiang, Z., 2-weakly exponential ∆-semigroups,

Pure Appl. Math. (Xian) 10(1994) No. 2, 49-52

[13]  On the ideals of N-semigroups,  
         Pure Mathematics and Applications, Ser. A., Vol. 1, 1990, No. 1, 71-76

 

MR. 91j;20150 pdf

Zbl. 718.20032

[1*] Gutan, M., Two problems on N-semigroups, Pure Mathematics and

          Applications, Ser. A., Vol. 1, 1990, No. 2, 153-159

 

[14]  Boolean-type retractable automata with traps,
 
       Acta Cybernetica, Tom. 10., Fasc. 1-2(1991), 53-63

 

MR. 93b;68058 pdf

Zbl. 741.68079

[1] Petkovic, T. and M. Ciric, S. Bogdanovic, Decompositions of automata and

transition semigroups, Acta Cybernetica, 13(1998),  385-403

[2*] Ciric, M. and S. Bogdanovic, Lattices of subautomata and direct sum

decompositions of automata, Algebra Colloquium 6:1(1999), 71-88

[3] S. Bogdanovic, B. Imreh, M. Ciric, T. Petkovic, Directable automata and their

generalizations: A survey, Novi Sad J. Math. Vol. 29., No. 3, 1999, 25-68

[4] S. Bogdanovic, Direktabilni automati, njihova uopstenja i specijalizacije,
          Magistarska teza,
          Nis, 2001



[15]  Reflexive unitary subsemigroups of left simple semigroups,  
        Periodica Polytechnica, 19(1991) Nos. 1-2., 61-69

 

MR. 93h;20067 pdf

[16]  Indistinguishable state pairs in strongly connected Moore-automata,  
 
       (with I. Babcsányi and F. Wettl),
        Pure Mathematics and Applications, Ser. A., Vol.2., 1991, Nos. 1-2., 15-24

 

MR. 92m;68079 pdf

Zbl. 743.68099

[1*] András Ádám and Ferenc Wettl, On two realizability questions concerning

strongly connected Moore-automata, Publicationes Mathematicae, Debrecen,

Tom. 43(1993), Fasc. 1-2., 9-21

[2] András Ádám, A criterion for the simplicity of finite Moore-automata,

Acta Cybernetica, Vol. 10, Nr. 4,(1992), 221-236

[3] András Ádám, The behaviour and simplicity if finite Moore-automata,

          Akadémiai Kiadó, Budapest

  

[17]  RC-commutative Delta-semigroups,  
        Semigroup Forum, 44(1992), 332-340

 

MR 92k;20117 pdf

Zbl. 747.20030

[1*] Pondelicek, B., On generalized conditionally commutative semigroups,

Mathematica Slovaca, 44(1994), No.3, 359-364

[2] Zonghao Jiang, LC-commutative permutable semigroups,

Semigroup Forum 52(1995), 191-196

[3] Zhonghao Jian, Limin Chen, On RDGCn-commutative permutable semigroups, 

Periodica Mathematica Hungarica, 49(2004), No.2, 91-98

[4] Mitsch, H., Semigroups and their lattice of congruences 2,

Semigroup Forum 54(1997), No. 1, 1-42

 

[18]  On the structure of (m,n)-commutative semigroups,  
         Semigroup Forum, 45(1992), 183-190

 

MR 93i;20077 pdf

[1*] M. Gutan, Sur les semi-groupes Satisfaisant des identites permutationneles,

C.R. Acad. Sci. Paris, t.319, Series I, p. 5-10, 1994

[2] M. Gutan,  On n(2)-permutable semigroups, Pure Mathematics and

Applications, 4(1993), No 2, 167-173

[3] I. Babcsányi, On (m,n)-commutative semigroups, Pure Mathematics and

Applications, Ser A, Vol. 2(1991), No 3-4, 175-180

[4] I. Babcsányi, (t;m,n)-commutative automata, Pure Mathematics and

Applications, Ser A, Vol. 2(1991) No. 3-4, 161-174
 
        [5] Bogdanovic, S., Miroslav Ciric, Tatjana petkovic, Uniformly ∏-regular
         rings and semigroups: a survey
, Matematicki Institut SANU, Geograd,
         Zbornik radova 9(17)(1992), 5-82

[6] Bogdanovic, S. and M. Ciric, Semilattices of archimedean semigroups and

(completely) ∏-regular semigroups I, Zbornik Radova Filozofskog Faculteta a

Nisu, Serija Matematika 7(1993), 1-40

[7] Lajos, S., A remark on (2,2)-commutative strongly semiprime alternative

ings, Pure Mathematics and Applications, Ser. A., Vol. 1(1990), 67-69

[8] Lajos, S., Some remarks on (m,n)-commutative semigroups, Pure Mathematics

and Applications, Ser. A., Vol. 3(1992), Nos. 3-4. 215-217

[9] Gutan, M., Ont the (1,k)-commutativity in semigroups satisfying permutation

identities,  Pure Mathematics and Applications, 5(1994), No. 2, 153-160

[10] Gutan, M., A problem on semigroups satisfying permutation identities,

Semigroup Forum, 53(1996), 173-183

[11] Kisielewicz, Andrzej, Permutability class of a semigroup, Journal of Algebra

226(2000), No, 1, 295-310


[19]  Subdirectly irreducible completely symmetrical semigroups,  
        Semigroup Forum, 45(1992), 267-271

        

MR 93e;20081  pdf

         [1] Gutan, M., Sur les semi-groupes Satisfaisant des identities permutationneles,

         C.R. Acad. Sci. Paris, t.319, Series I, p. 5-10, 1994

[2] Gutan, M., Ont the (1,k)-commutativity in semigroups satisfying permutation

 identities, Pure Mathematics and Applications, 5(1994), No. 2, 153-160

         [3*] Gutan, M., A problem on semigroups satisfying permutation identities,

         Semigroup Forum, 53(1996), 173-183
         [4] Shi Yong-fang, Subdirectly irreducible Clifford semigroups, Journal of Northwest
          Normal University (natural Science) 42(2006), 18-23
 

           [5] Stevanovic, N., P.V. Protic, Strukture of weakly externally commutative
         semigroups, Algebra Colloquium, 13(2006), 441-446      

[20]  Retractable Mealy-automata, (with I. Babcsányi),

Pure Mathematics and Applications, Ser. A., 3(1992), Nos. 3-4., 147-153

        

MR 1249247 (94m;68136) pdf

 



[21]  Subdirectly irreducible right commutative semigroups,  
         Semigroup Forum, 46(1993), 187-198

        

MR 1200213 (93j;20132pdf

         [1*] Babcsányi, I., (t;m,n)-commutative automata,  Pure Mathematics and

Applications, Ser. A., 2(1991), No. 3-4, 161-174

[2] Bogdanovic, S., Miroslav Ciric, Tatjana petkovic, Uniformly ∏-regular
          rings and semigroups: a survey
, Matematicki Institut SANU, Geograd,
          Zbornik radova 9(17)(1992), 5-82


[22]  Semilattice decomposition of n(2)-permutable semigroups,
         Semigroup Forum, 46(1993), 16-20

        

MR 93k;20090  pdf

         Zbl. 760.20020

[1*] M. Gutan,  On n(2)-permutable semigroups, Pure Mathematics and

Applications, 4(1993), No 2, 167-173

[2] I. Babcsányi, On (m,n)-commutative semigroups, Pure Mathematics and

Applications, Ser A, Vol. 2(1991), No 3-4, 175-180
 
        [3] Bogdanovic, S., Miroslav Ciric, Tatjana petkovic, Uniformly ∏-regular
         rings and semigroups: a survey
, Matematicki Institut SANU, Geograd,
         Zbornik radova 9(17)(1992), 5-82

[4] Bogdanovic, S. and M. Ciric, Semilattices of archimedean semigroups and

(completely) ∏-regular semigroups I, Zbornik Radova Filozofskog Faculteta a

Nisu, Serija Matematika 7(1993), 1-40


[23]  On a problem of n(2)-permutable semigroups,  (with I. Babcsányi),
         Semigroup Forum, 46(1993), 398-400

        

MR 94a;20109  pdf

[1] M. Gutan,  On n(2)-permutable semigroups, Pure Mathematics and

Applications, 4(1993), No 2, 167-173

         [2] Gutan, M., Sur une propriete de permutation des semi-groupes,

C.R. Acad. Sci. Paris, t.317, Ser. I., 923-924, 1993

[3*] Bogdanovic, S. and M. Ciric, Semilattices of archimedean semigroups and

(completely) ∏-regular semigroups I, Zbornik Radova Filozofskog Faculteta a

Nisu, Serija Matematika 7(1993), 1-40


[24]  Permutation functions and (n,m)-commutativity of semigroups,  
        Semigroup Forum, 48(1994), 71-78

        

MR 1245907 (94k;20105pdf


[25]  Mealy-automata in which the output-equivalence is a congruence, 
 
       (with I. Babcsányi),
        Acta Cybernetica, 11(1994), 121-126

        

        MR 1294211 (95h;68138pdf
   

         [1] Dosch, W. ,  On history-sensitive models of interactive stacks
         Proceedings of the Third International Conference on Information
        Technology: New Generations (ITNG06), IEEE, 2006
         (http://www2.computer.org/portal/web/csdl/doi/10.1109/ITNG.2006.101)

            [2] Dosch, W. and A. Stümpel,  Transforming stream processing functions
         into state transition machines,
         Lecture Notes in Computer Science 3647, pp. 1-18, 2005

[26]  On (t,r)-commutativity of n(2)-permutable semigroups,
        (with I. Babcsányi),
        Mathematica Pannonica, 6/1(1995), 115-120

        

MR 1331648 (96b;20090) pdf

 

[27]  Right group-type automata,
        (with I. Babcsányi),
        Acta Cybernetica, 12(1995), 131-136

        

MR 1370974 (96m;68119)  pdf

         [1] Petkovic, T., M. Ciric and S. Bogdanovic, Decomposition of automata and

transition semigroups, Acta Cybernetica, 13(1998), 385-403

         [2*] Avdeyev A. Yu, Kozhukov I.B, Acts over completely 0-simple semigroups,

         Acta Cybernetica, 14(2000), 523-531

         


[28]  Moore-automata in which the sign equivalence is a Moore-congruence,
        (with I. Babcsányi), Publicationes Mathematicae Debrecen,

47/3-4(1995), 393-401

        

MR 1362300 (96m;68120)  pdf

[1*] Ádám, A., The behaviour and simplicity of finite Moore-automata,

Akadémiai Kiadó, Budapest

[29]  A note on n(2)-permutable and (m,n)-commutative semigroups,  
        Pure Mathematics and Applications, Vol. 6(1995), No. 4., 355-363

        

        MR 1399300 (97d;20079)  pdf


[30]  Boolean-type retractable automata,  (with I. Babcsányi),

 Publicationes Mathematicae Debrecen, 48/3-4(1996), 193-200

        

MR1387835 (97b;68150)  pdf

         

[31]  RGCn-commutative Delta-semigroups,
        Semigroup Forum, 57(1998), 92-100

        

MR 1621877 (99e;20074) pdf

[1*] Zhonghao Jian, Limin Chen, On RDGCn-commutative permutable semigroups, 

Periodica Mathematica Hungarica 49(2004) No. 2, 91-98

 

[32] Right commutative Delta-semigroups,
         Acta Sci. Math. (Szeged) 66(2000), 33-45

        

MR 1768852 (2001i;20123)  pdf

[33] Subdirectly irreducible strongly RGCn-commutative semigroups
     with a globally idempotent core,
        Pure Mathematics and Applications, Vol. 13(2002), No. 3, pp. 383-387

        MR 1980724 (2004h;20086) pdf

[34] Commutative monoid congruences of semigroups,
        Pure Mathematics and Applications, Vol. 13(2002), No. 3, pp. 389-392

        MR 1980725

[35] RGCn-commutative Delta-semigroups, (Corrigendum, with Z. Jiang)
     Semigroup Forum, 67(2003), no. 3, 468-470

        MR 2002950 (2004g;20081) pdf

[36] Retractable state-finite automata without outputs,
        Acta Cybernetica, 16 (2004) 399-409

MR 2071408 (2005b;68576)  pdf


[37] Homomorphic direct product of automata  (with I. Babcsányi),
        Publicationes Mathematicae  (Debrecen),  Supplementum 65(2004), 513-524

MR

[1*] Dömösi, P. and C.L. Nehaniv, Algebraic Theory of Finite Automata and

Networks; An Introduction Society for Industrial and Applied 

Mathematics (SIAM), Philadelphia, PA, 2005

[38] Permutative semigroups whose congruences form a chain,
        (withP.R.Jones)

     Semigroup Forum 69(2004), 446-456

        MR 2096025  pdf
          [1*] Deák, A., On a problem of A. Nagy concerning permutable semigroups satisfying
          a non-trivial permutation identity, Acta Sci. Math. (Szeged), 72(2006),  537-541
          [2] Derech, V.D., Characterization of the semilattice of idempotents of
          a finite-rank permutable inverse semigroups with zero,    
          Ukrainian Mathematical Journal, 59(5007), 1517-1527
  
          [3] Derech, V.D., On maximal stable orders on an inverse semigroup
          of finite-rank with zero, (Ukrainian. English, Russian summary)          
          Ukrainian Math. Zh. 60(2008), no. 8, 1035-1041; 
          translation in Ukrainian Math. J., 60(2008), no. 8, 1210-1217
 

[39] Regular RGCn-commutative semigroups,
        Scientia Iranica, Vol. 12(2005), No. 1,  pp 10-13
        

         MR 2143636 pdf

[40] A supplement to my paper Right commutative D -semigroups,
        Acta Sci. Math. (Szeged), 71(2005), 35-36

          MR 2160353 pdf

[41]  Permutable semigroups satisfying a non-trivial permutation identity,
      Acta Sci. Math. (Szeged), 71(2005), 37-43

           MR2160354 pdf
 
          [1] Deák, A., On a problem of A. Nagy concerning permutable semigroups satisfying
                a non-trivial permutation identity, Acta Sci. Math. (Szeged), 72(2006), 537-541
          [2*] Jones, P.R., Solution of a problem of Nagy (preprint)        


[42] Medial permutable semigroups of the first kind,
        Semigroup Forum, 76(2008), 297-308

[43] Subdirectly irreducible RGC-commutative right H-semigroups,
     
Semigroup Forum,78(2009) 68-76



[44]  Finite permutable Putcha semigroups,
          (with Attila Deák)
          Acta Sci. Math. (Szeged), 76(2010), 397-410   


[45] 
On the separator of subsets of semigroups, pdf
        Semigroup Forum (to appear)

[46] On special types of Putcha semigroups whose subgroups
     belong to a given variety of groups,
    
International Journal of Algebra  Vol. 5, 2011, no. 16, 763 - 770 

[47] Left reductive congruences on semigroups, Semigroup Forum, 2012
      (DOI 10.1007/s00233-012-9428-9)

      

Other publications (in English):

  
[48]  Embedding theorems on semigroups,
 
      Dept. of Math., Karl Marx Univ. of  Economics, Budapest, 1977-5, 13-22

[49]   The least semilattice congruence on a special type of semigroups,
 
        Conference on Algebra, Budapest 1978, Techn. Univ. Budapest, Dept. Math., 27-30

        Zbl. 421.20031


[50]  Weakly torsion-free semigroups,
 
      Dept. of Math., Karl Marx Univ. of  Economics, Budapest, 1978-9, 8-11


[51]   The least separative congruence on a completely symmetrical semigroup,

          Dept. of Math., Karl Marx Univ. of  Economics, Budapest, 1980-4, 13-17

 

MR. 82h; 20076 pdf

Zbl. 456.20039

[1*] Brinckmann, J., On the least separative congruence on a semigroup,

         Semigroup Forum 30(1984), 365-370
         [2] Brinckmann, J., Über die kleinste separative Kongrueny auf einer Halbgruppe,        
          Czechoslovak Mathematical Journal 35 (1985), 300-311


[52]  On monoid congruences of commutative semigroups,
 
      Dept. of Math., Karl Marx Univ. of  Economics, Budapest, 1983-4, 7-11

        
          MR. 740234

[53]  On bistrong subsets of semigroups,
 
      Dept. of Math., Karl Marx Univ. of  Economics, Budapest, 1984-4, 5-8


           MR. 785758

[54]  Modular right congruences of semigroups,  
       Paper on Automata and Languages, IX.,
        Dept. of  Math., Karl Marx Univ. of  Economics, Budapest, 1987-2, 9-17

 

MR. 89g;20094 pdf

Zbl. 637.20033

[1*] Babcsányi, I., A characterization of Cyclic Mealy-automata,

Papers on Automata and Languages IX.,

Dept. Of Math., Karl  Marx Univ. Of Budapest, 1987-2, 19-46


 

 Publications in Hungarian:

[55] Félcsoportok csoportkongruenciáinak jellemzése,
        Periodica Polytechnica, 1983, 69-72

 

 Összhivatkozás: 87 (2009.09. 25.)