prof. RNDr.

Josef Šlapal

CSc.

FME, IM – Director of Department

+420 54114 2729
slapal@fme.vutbr.cz

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prof. RNDr. Josef Šlapal, CSc.

Publications

  • 2019

    Josef Šlapal. Structuring Digital Plane by Closure Operators Associated with n-ary Relations. In Computational Modeling of Objects Presented in Images. Fundamentals, Methods, and Applications. Lecture Notes in Computer Science. Lecture Notes in Computer Science. Svýcarsko: Springer, 2019. p. 16-22. ISBN: 978-3-030-20804-2. ISSN: 0302-9743.
    Detail | WWW

    ŠLAPAL, J. Path-induced closure operators on graphs for defining digital Jordan surfaces. Open Mathematics, 2019, vol. 17, no. 1, p. 1374-1380. ISSN: 2391-5455.
    Detail | WWW

    ŠLAPAL, J. Closure operators associated to ternary relations for structuring the digital plane. Los Alamitos, CA, USA: IEEE, 2019. p. 125-128.
    Detail | WWW

  • 2018

    ŠLAPAL, J. Categorical aspects of inducing closure operators on graphs by sets of walks. JOURNAL OF COMPUTER AND SYSTEM SCIENCES, 2018, vol. 2018, no. 95, p. 143-150. ISSN: 0022-0000.
    Detail | WWW

    ŠLAPAL, J. Relation-induced connectedness in the digital plane. AEQUATIONES MATHEMATICAE, 2018, vol. 2018, no. 95, p. 75-90. ISSN: 0001-9054.
    Detail | WWW

    HOLGATE, D.; ŠLAPAL, J. Closure, interior and neighbourhood in a category. HACETTEPE JOURNAL OF MATHEMATICS AND STATISTICS, 2018, vol. 47, no. 6, p. 1512-1520. ISSN: 1303-5010.
    Detail | WWW

    ŠLAPAL, J. Closure operators on graphs for modeling connectedness in digital spaces. FILOMAT, 2018, vol. 32, no. 14, p. 5011-5021. ISSN: 0354-5180.
    Detail | WWW

    ŠLAPAL, J. Galois connections between sets of paths and closure operators in simple graphs. Open Mathematics, 2018, vol. 16, no. 1, p. 1573-1581. ISSN: 2391-5455.
    Detail | WWW

    ŠLAPAL, J. CONVENIENT PRETOPOLOGIES ON Z^2. TWMS Journal of Pure and Applied Mathematics, 2018, vol. 9, no. 1, p. 40-51. ISSN: 2076-2585.
    Detail | WWW

  • 2017

    ŠLAPAL, J. Alexandroff pretopologies for structuring the digital plane. Discrete Applied Mathematics, 2017, vol. 216, no. 2, p. 323-334. ISSN: 0166-218X.
    Detail | WWW

    ŠLAPAL, J. A relational generalization of the Khalimsky topology. In Combinatorial Image Analysis. Lecture Notes in Computer Science. Lecture Notes in Computer Sciences. Switzerland: Springer, 2017. p. 132-141. ISBN: 978-3-319-59107-0. ISSN: 0302-9743.
    Detail

    ŠLAPAL, J. Structuring digital spaces by path-partition. In Computational Modeling of Objects Presented in Images. Fundamentals, Methods, and Applications. Lecture Notes in Computer Science. Lecture Notes in Computer Science. Berlin: Springer Verlag, 2017. p. 43-55. ISBN: 978-3-319-54608-7. ISSN: 0302-9743.
    Detail | WWW

    ŠLAPAL, J. Structuring digital plane by the 8-adjacency graph with a set of walks. International Journal of Mathematical and Computational Methods, 2017, vol. 2017, no. 2, p. 150-154. ISSN: 2367-895X.
    Detail | WWW

    ŠLAPAL, J. Terse walk sets in graphs and induced closure operators. Topology and its Applications, 2017, vol. 230, no. 1, p. 258-266. ISSN: 0166-8641.
    Detail | WWW

    PFALTZ, J.; ŠLAPAL, J. Closure operators associated with networks. HACETTEPE JOURNAL OF MATHEMATICS AND STATISTICS, 2017, vol. 46, no. 1, p. 91-101. ISSN: 1303-5010.
    Detail | WWW

    ŠLAPAL, J. A ternary relation for structuring the digital plane. In AMCSE 2016. ITM Web of Conferences. Les Ulis Cedex A: EDP Sciences, 2017. p. 1-5. ISSN: 2271-2097.
    Detail | WWW

    ŠLAPAL, J. Walk-set induced connectedness in digital spaces. Carpathian Journal of Mathematics, 2017, vol. 33, no. 2, p. 247-256. ISSN: 1584-2851.
    Detail | WWW

  • 2016

    ŠLAPAL, J. A categorical approach to convergence. FILOMAT, 2016, vol. 30, no. 12, p. 3329-3338. ISSN: 0354-5180.
    Detail | WWW

    ŠLAPAL, J. Path- set induced closure operators on graphs. Filomat, 2016, vol. 30, no. 3, p. 863-871. ISSN: 0354-5180.
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    ŠLAPAL, J. A categorical approach to convergence: compactness. Topology and its Applications, 2016, vol. 201, no. 1, p. 78-85. ISSN: 0166-8641.
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  • 2015

    ŠLAPAL, J., CHAISANSUK, N. On a product of universal hyperalgebras. Analele Stiintifice Ale Universitatii Ovidius Constanta, Seria Matematica, 2015, vol. 23, no. 2, p. 71-81. ISSN: 1224-1784.
    Detail | WWW | Full text in the Digital Library

    ŠLAPAL, J. On a co-universal arrow in the construct of n- ary hyperalgebras. Miskolc Mathematical Notes, 2015, vol. 2015(16), no. 1, p. 507-516. ISSN: 1787- 2405.
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    ŠLAPAL, J. Convenient adjacencies for structuring the digital plane. ANNALS OF MATHEMATICS AND ARTIFICIAL INTELLIGENCE, 2015, vol. 75 (2015), no. 1, p. 69-88. ISSN: 1012-2443.
    Detail

  • 2014

    ŠLAPAL, J. Another Jordan Curve Theorem in the topological space (Z^2,w). In Topology Proceedings. Topology Proceedings. Alabama 36849, USA: Auburn University, 2014. p. 47-56. ISSN: 0146-4124.
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    ŠLAPAL, J. Convenient adjacencies on Z^ 2. FILOMAT, 2014, vol. 28, no. 2, p. 305-312. ISSN: 0354- 5180.
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    ŠLAPAL, J.; LEERATANAVALEE, S.; CHAISANSUK, N. On the stability of some properties of partial algebras under powers. Mathematica Slovaca, 2014, vol. 64, no. 1, p. 1-12. ISSN: 0139-9918.
    Detail | WWW | Full text in the Digital Library

    ŠLAPAL, J. Jordan curves in the digital plane. B MALAYS MATH SCI SO, 2014, vol. 37, no. 2, p. 295-310. ISSN: 0126- 6705.
    Detail

  • 2013

    ŠLAPAL, J. Topological structuring of the digital plane. DISCRETE MATHEMATICS AND THEORETICAL COMPUTER SCIENCE, 2013, vol. 15, no. 2, p. 165-176. ISSN: 1365-8050.
    Detail | WWW | Full text in the Digital Library

    ŠLAPAL, J. Graphs with a path partition for structuring the digital plane. INFORMATION SCIENCES, 2013, vol. 233, no. 1, p. 305-312. ISSN: 0020- 0255.
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    ŠLAPAL, J. A Jordan curve theorem with respect to a pretopology on Z^ 2. International Journal of Computer Mathematics, 2013, vol. 90, no. 8, p. 1618-1628. ISSN: 0020- 7160.
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    ŠLAPAL, J.; PFALTZ, J. Transformations of Discrete Closure Systems. Acta Mathematica Hungarica, 2013, vol. 138, no. 4, p. 386-405. ISSN: 0236- 5294.
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  • 2012

    ŠLAPAL, J. Compactness and convergence with respect to a neighborhood operator. Collectanea Mathematica, 2012, vol. 63, no. 2, p. 123-137. ISSN: 0010- 0757.
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    ŠLAPAL, J. Adjacencies for structuring the digital plane. Lecture Notes in Computer Science, 2012, vol. 2012, no. 7655, p. 115-127. ISSN: 0302- 9743.
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    ŠLAPAL, J. A digital pretopology and one of its quotients. Topology, Proceedings, 2012, vol. 39, no. 2, p. 13-25. ISSN: 0146- 4124.
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  • 2011

    ŠLAPAL, J. Neighborhoods and convergence with respect to a closure operator. Mathematica Slovaca, 2011, vol. 61, no. 5, p. 717-732. ISSN: 0139- 9918.
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    ŠLAPAL, J. Compactification with respect to a generalized- net convergence on constructs. Applied Categorical Structures, 2011, vol. 19, no. 2, p. 523-537. ISSN: 0927- 2852.
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    ŠLAPAL, J.; HOLGATE, D. Categorical neighborhood operators. Topology and its Applications, 2011, vol. 158, no. 16, p. 2356-2365. ISSN: 0166- 8641.
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    ŠLAPAL, J. A Jordan curve theorem in the digital plane. Lecture Notes in Computer Science (IF 0,513), 2011, vol. 6636, no. 1, p. 120-131. ISSN: 0302- 9743.
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    ŠLAPAL, J. On categories of ordered sets with a closure operator. Publicationes Mathematicae Debrecen, 2011, vol. 78, no. 1, p. 61-69. ISSN: 0033- 3883.
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  • 2010

    ŠLAPAL, J.; RICHMOND, T. Neighborhood spaces and convergence. Topology, Proceedings, 2010, vol. 35, no. 1, p. 165-175. ISSN: 0146- 4124.
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    ŠLAPAL, J. Complete lattice morphisms compatible with closure operators. Thai Journal of Mathematics, 2010, vol. 8, no. 2, p. 255-262. ISSN: 1686- 0209.
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  • 2009

    ŠLAPAL, J. Another approach to connectedness with respect to a closure operator. Applied Categorical Structures, 2009, vol. 17, no. 6, p. 603-612. ISSN: 0927- 2852.
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    ŠLAPAL, J. Jordan curve theorems with respect to certain pretopologies on Z^ 2. Lecture Notes in Computer Science (IF 0,513), 2009, vol. 5810, no. 1, p. 252-262. ISSN: 0302- 9743.
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    ŠLAPAL, J. Convenient closure operators on Z^ 2. Lecture Notes in Computer Science (IF 0,513), 2009, vol. 5852, no. 1, p. 425-436. ISSN: 0302- 9743.
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    GIULI, E.; ŠLAPAL, J. Neighborhoods with respect to a categorical closure operator. Acta Mathematica Hungarica, 2009, vol. 124, no. 1- 2, p. 1-14. ISSN: 0236- 5294.
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  • 2008

    ŠLAPAL, J. Convergence on categories. Applied Categorical Structures, 2008, vol. 16, no. 4, p. 503-519. ISSN: 0927- 2852.
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    BOONPOK, C.; ŠLAPAL, J. Convenient topologies on the digital plane. East- West Journal of Mathematics, 2008, vol. 11, no. 2, p. 243-254. ISSN: 1513- 489X.
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    ŠLAPAL, J. A quotient- universal digital topology. Theoretical Computer Science, 2008, vol. 405, no. 1- 2, p. 164-175. ISSN: 0304- 3975.
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  • 2007

    ŠLAPAL, J. On a generative topology for the digital plane. In Proceedings of the ISMM 2007. Sao Paolo: Sao Jose dos Campos, 2007. p. 17-18. ISBN: 978-85-17-00035- 5.
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    KARÁSEK, J.; ŠLAPAL, J. Polynomy a zobecněné polynomy v teorii řízení. Vědecké monografie. Vědecké monografie. Brno: Akademické nakladatelství CERM, 2007. 132 p. ISBN: 978-80-7204-548- 8.
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    ŠLAPAL, J.; ČERMÁK, J. Classical and Fractional Mathematical Approaches to Modern Control Theory. In Simulation Modelling of Mechatronic Systems III. mechatronics. Brno: Brno University of Technology, Faculty of Mechanical Engineering, 2007. p. 3-14. ISBN: 978-80-214-3559- 9.
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  • 2006

    ŠLAPAL, J. Thin relations and associated closure operators. In Contributions to General Algebra 17. Klagenfurt: Verlag Johannes Heyn, 2006. p. 161 ( p.)ISBN: 3-7084-0194- 8.
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    ŠLAPAL, J.; ČERMÁK, J. Modern Mathematical Methods in Control Theory. In Simulation Modelling of Mechatronic Systems II. mechatronics. Brno: Brno University of Technology, 2006. p. 3-13. ISBN: 80-214-3341- 8.
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    ŠLAPAL, J. Digital Jordan curves. Topology and its Applications, 2006, vol. 153, no. 10, p. 3525 ( p.)ISSN: 0166- 8641.
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  • 2005

    ŠLAPAL, J. Relational Closure Operators. In Contributions to General Algebra 16. Klagenfurt: Verlag Johannes Heyn, 2005. p. 251 ( p.)ISBN: 3-7084-0163- 8.
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    GIULI, E.; ŠLAPAL, J. Raster convergence with respect to a closure operator. Cahiers de Topologie et Geometrie Differentielle Categoriques, 2005, vol. 46, no. 4, p. 275 ( p.)ISSN: 0008- 0004.
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    KARÁSEK, J.; ŠLAPAL, J. Okruhy polynomů a polynomiálních matic pro diskrétní lineární řizení. 2005.
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    Šlapal, J., Čermák, J. Modern Methods of Mathematical Modelling of System Control. In Modelling of Mechatronics Systems I. Fakulta strojního inženýrství. Brno: Vysoké učení technické v Brně, 2005. p. 1-10. ISBN: 80-214-3144- X.
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    ŠLAPAL, J. F- net convergence with respect to a closure operator. Applied Categorical Structures, 2005, vol. 13, no. 1, p. 49 ( p.)ISSN: 0927- 2852.
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  • 2004

    ŠLAPAL, J. Categories of locally diagonal partial algebras. Contributions to Algebra and Geometry, 2004, vol. 45, no. 1, p. 283 ( p.)ISSN: 0138- 4821.
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    ŠLAPAL, J. A digital analogue of the Jordan curve theorem. Discrete Applied Mathematics, 2004, vol. 139, no. 1, p. 231 ( p.)ISSN: 0166- 218X.
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    ŠLAPAL, J. Metody diskrétní matematiky. Metody diskrétní matematiky. 2004. ISBN: 80-214-2785- X.
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    ŠLAPAL, J. A Galois correspondence for digital topology. In Galois Connections and Applications. Mathematics and Its Applications, vol. 565. Dordrecht: Kluwer, 2004. p. 413 ( p.)ISBN: 1-4020-1897- 5.
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    ŠLAPAL, J. Diagonality and powers of general algebraic systems. East- West Journal of Mathematics, 2004, vol. 6, no. 1, p. 1 ( p.)ISSN: 1513- 489X.
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  • 2003

    ŠLAPAL, J. An alternative digital topology. Electronic Notes in Discrete Mathematics, 2003, vol. 12, no. 1, p. 1 ( p.)ISSN: 1571- 0653.
    Detail | WWW

    ŠLAPAL, J. Closure operations for digital topology. Theoretical Computer Science, 2003, vol. 305, no. 1- 3, p. 457-471. ISSN: 0304- 3975.
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  • 2002

    ŠLAPAL, J. Compactness with respect to a convergence structure. Quaestiones Mathematicae, 2002, vol. 25, no. 1, p. 19 ( p.)ISSN: 1607- 3606.
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    NOVOTNÝ, M., ŠLAPAL, J. On powers of relational structures. Publicationes Mathematicae Debrecen, 2002, vol. 61, no. 3- 4, p. 341 ( p.)ISSN: 0033- 3883.
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    ŠLAPAL, J. Exponentiality in categories of partial algebras. Mathematica Pannonica, 2002, vol. 13, no. 2, p. 201 ( p.)ISSN: 0865- 2090.
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  • 2001

    BEDNAŘÍK, F., ŠLAPAL, J. On exponentiation of n- ary hyperalgebras. Discussiones Mathematicae - General Algebra and Applications, 2001, vol. 21, no. 1, p. 13 ( p.)ISSN: 1509- 9415.
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    ŠLAPAL, J. Metody diskrétní matematiky. 2001. ISBN: 80-214-1933- 4.
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    ŠLAPAL, J. Convergence Structures for Categories. Applied Categorical Structures, 2001, vol. 9, no. 6, p. 557 ( p.)ISSN: 0927- 2852.
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    ŠLAPAL, J. A Jordan Curve Theorem with Respect to Certain Closure Operations on the Digital Plane. ELECTRONIC NOTES IN THEORETICAL COMPUTER SCIENCE, 2001, vol. 46, no. 1, p. 1 ( p.)ISSN: 1571- 0661.
    Detail | WWW

  • 2000

    ŠLAPAL, J. Powers of relational systems carried by strong homomorphisms. In General Algebra and Applications. Aachen: Shaker Verlag, 2000. p. 183 ( p.)ISBN: 3-8265-7983- 6.
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    ŠLAPAL, J. Zobecněné topologie I. In Matematika a didaktika matematiky. Sborník prací pedagogické fakulty MU v Brně, č. 152. Brno: Pedagogická fakulta MU v Brně, 2000. p. 107-123. ISBN: 80-210-2423- 2.
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    ŠLAPAL, J. Another cartesian closed category of partial algebras. Demonstratio Mathematicae, 2000, vol. 33, no. 4, p. 689-695. ISSN: 0420- 1213.
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    ŠLAPAL, J. Compactness with respect to a convergence structure. Mathematik - Arbeitspapiere, 2000, vol. 2000, no. 54, p. 375-383. ISSN: 0173- 685X.
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    ŠLAPAL, J. Compactification of limit S- net spaces. Monatshefte fuer Mathematik, 2000, vol. 54, no. 12, p. 375 ( p.)ISSN: 0026- 9255.
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    ŠLAPAL, J. On exponentiation of universal hyperalgebras. Algebra Universalis, 2000, vol. 44, no. 2, p. 187 ( p.)ISSN: 0002- 5240.
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    ŠLAPAL, J. Digitální topologie. Habilitační a inaugurační spisy, sv. 30. Habilitační a inaugurační spisy, sv. 30. Brno: VUTIUM, 2000. 18 p. ISBN: 80-214-1617- 3.
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  • 1999

    BEDNAŘÍK, F.; ŠLAPAL, J. Exponentiation of relational systems with respect to strong homomorphisms. Mathematica Pannonica, 1999, vol. 10, p. 169 ( p.)ISSN: 0865- 2090.
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  • 1998

    ŠLAPAL, J. Compactness in categories of S- net spaces. Applied Categorical Structures, 1998, vol. 6, p. 515 ( p.)ISSN: 0927- 2852.
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    ŠLAPAL, J. A Galois correspondence between closure spaces and relational systems. Quaestiones Mathematicae, 1998, vol. 21, p. 187 ( p.)ISSN: 1607- 3606.
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  • 1997

    ŠLAPAL, J. On a construct of closure spaces. Rendiconti del Seminario Matematica della Univarsita di Padova, 1997, vol. 97, no. 1, p. 1-5. ISSN: 0041- 8994.
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    ŠLAPAL, J. On some cartesian closed relational categories. In General Algebra and Applications in Discrete Mathematics. žádná. Aachen: Shaker Verlag, 1997. p. 169 ( p.)ISBN: 3-8265- 243.
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    ŠLAPAL, J. On some categories of sequential spaces. New Zealand Journal of Mathematics, 1997, vol. 97, no. 26, p. 287-292. ISSN: 1171- 6096.
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  • 1996

    ŠLAPAL, J. Cartesian closedness in categories of partial algebras. Mathematica Pannonica, 1996, vol. 7, no. 2, p. 273-279. ISSN: 0865- 2090.
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    ŠLAPAL, J. Net spaces in categorical topology. Annals of the New York Academy of sciences, 1996, vol. 806, no. 1, p. 393-412. ISSN: 1573- 3109.
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    ŠLAPAL, J. On reduction of relational arities. Commentationes Mathematicae, 1996, vol. 1996, no. 36, p. 229-233. ISSN: 0373- 8299.
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  • 1995

    ŠLAPAL, J. On categories of strongly regular relational systems. Tatra Mountains Mathematical Publications, 1995, vol. 95, no. 5, p. 101-105. ISSN: 1210- 3195.
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    ŠLAPAL, J. Categories of universal algebras in which direct products are tensor products. Annales Mathematicae Silesianae, 1995, vol. 95, no. 9, p. 7-10. ISSN: 0860- 2107.
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    ŠLAPAL, J. A note on general relations. Mathematica Slovaca, 1995, vol. 45, no. 1, p. 1-8. ISSN: 0139- 9918.
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    ŠLAPAL, J. Reflective and coreflective modifications of the construct of topological spaces without axioms. Demonstratio Mathematicae, 1995, vol. 95, no. 28, p. 1-8. ISSN: 0420- 1213.
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    ŠLAPAL, J. A CONGLOMERATE OF EXPONENTIAL SUPERCATEGORIES OF THE CATEGORY OF FINITELY GENERAED TOPOLOGICAL SPACES. AEQUATIONES MATHEMATICAE, 1995, vol. 49, p. 115-121. ISSN: 0001- 9054.
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  • 1994

    ŠLAPAL, J. On exponentiation in concrete categories. Publicationes Mathematicae Debrecen, 1994, vol. 58, p. 1-5. ISSN: 0033- 3883.
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    ŠLAPAL, J. ON EXPONENTIATION OF N- ARY ALGEBRAS. Acta Mathematica Hungarica, 1994, vol. 63, no. 4, p. 313-322. ISSN: 0236- 5294.
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    ŠLAPAL, J. On strong regularity of relations. Mathematica Bohemica, 1994, vol. 94, no. 2, p. 151-155. ISSN: 0862- 7959.
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  • 1993

    ŠLAPAL, J. Relations and topologies. Czechoslovak Mathematical Journal, 1993, vol. 43, p. 141 ( p.)ISSN: 0011- 4642.
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    ŠLAPAL, J. Cardinal arithmetic of general relational systems. Czechoslovak Mathematical Journal, 1993, vol. 43, p. 125 ( p.)ISSN: 0011- 4642.
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    ŠLAPAL, J. Exponentiality in concrete categories. New Zealand Journal of Mathematics, 1993, vol. 22, p. 87 ( p.)ISSN: 1171- 6096.
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    ŠLAPAL, J. A cartesian closed category of universal algebras. Acta Scientiarum Mathematicarum, 1993, vol. 58, p. 93 ( p.)ISSN: 0001- 6969.
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    ŠLAPAL, J. An exponential superconstruct of the construct of finitely generated topological spaces. Bolyai Society Mathematical Studies, 1993, vol. 4, p. 441 ( p.)ISSN: 1217- 4696.
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    ŠLAPAL, J. On embeddings of reletional categories into algebraic categories. Note di Matematica, 1993, vol. 13, p. 283 ( p.)ISSN: 1123- 2536.
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  • 1992

    ŠLAPAL, J. A note on diagonality of algebras. Mathematische Nachrichten, 1992, vol. 158, p. 195 ( p.)ISSN: 0025- 584X.
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    ŠLAPAL, J. On closure operations induced on groupoids. Demonstratio Mathematicae, 1992, vol. 25, p. 39 ( p.)ISSN: 0420- 1213.
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  • 1991

    ŠLAPAL, J. Direct arithmetic of relational systems. Publicationes Mathematicae Debrecen, 1991, vol. 38, p. 39 ( p.)ISSN: 0033- 3883.
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  • 1990

    ŠLAPAL, J. Directly cartesian closed subcategories of relational categories. Annales Universitatis Scientiarum Budapestiensis, Sectio Mathematica, 1990, vol. 33, p. 161 ( p.)ISSN: 0524- 9007.
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    ŠLAPAL, J. A cartesian closed topological category of sequential spaces. Periodica Mathematica Hungarica, 1990, vol. 21, p. 109 ( p.)ISSN: 0031- 5303.
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  • 1989

    ŠLAPAL, J. On the direct power of relational systems. Mathematica Slovaca, 1989, vol. 39, p. 251 ( p.)ISSN: 0139- 9918.
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    ŠLAPAL, J. On relations. Czechoslovak Mathematical Journal, 1989, vol. 39, p. 198 ( p.)ISSN: 0011- 4642.
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    ŠLAPAL, J. Cartesian closedness in categries of relational systems. Archiv der Mathematik, 1989, vol. 52, p. 603 ( p.)ISSN: 0003- 889X.
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  • 1988

    ŠLAPAL, J. O jedné matici a jejím využití. 1988, vol. 36, p. 175 ( p.)
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    ŠLAPAL, J. Relations of type alpha. Zeitschrift für Mathematische Logik und Grundlagen der Mathematik, 1988, vol. 34, p. 563 ( p.)ISSN: 0044- 3050.
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    ŠLAPAL, J. A note on F- topologies. Mathematische Nachrichten, 1988, vol. 141, p. 283 ( p.)ISSN: 0020- 7926.
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    ŠLAPAL, J. A note on generalized topologies. Acta Mathematicae Universitatis Comenianae Bratislava, 1988, vol. 54- 55, p. 103 ( p.)ISSN: 0862- 9544.
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    ŠLAPAL, J. On axioms preserved by modifications of topologies without axioms. ARCHIVUM MATHEMATICUM, 1988, vol. 24, p. 203 ( p.)ISSN: 0044- 8753.
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    ŠLAPAL, J. On modifications of topologies without axioms. ARCHIVUM MATHEMATICUM, 1988, vol. 24, p. 99 ( p.)ISSN: 0044- 8753.
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    ŠLAPAL, J. On categories of quasi- discrete closure spaces. In Knižnice vědeckých a odborných spisů VUT v Brně. 1988. p. 259 ( p.)ISBN: 80-214-0020- X.
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    ŠLAPAL, J. On lattices of generalized topologies. Mathematica Slovaca, 1988, vol. 38, p. 51 ( p.)ISSN: 0139- 9918.
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    ŠLAPAL, J. On closure operations induced by binary relations. Revue Romaine Mathematicae Pures et Appliquée, 1988, vol. 33, p. 623 ( p.)ISSN: 0035- 3965.
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  • 1984

    ŠLAPAL, J. Representative properties of the quasi-ordered set F(a,M). Czechoslovak Mathematical Journal, 1984, vol. 36, p. 175 ( p.)ISSN: 0011- 4642.
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