Fujimoto, M.; Takigawa, S.; Dontchev, J.; Noiri, T.; Maki, H. The topological structure and groups of digital \(n\)-spaces. (English) Zbl 1100.54016 Kochi J. Math. 1, 31-55 (2006). Reviewer: Richard G. Wilson (México) MSC: 54D10 54C08 PDFBibTeX XMLCite \textit{M. Fujimoto} et al., Kochi J. Math. 1, 31--55 (2006; Zbl 1100.54016)
Caldas, Miguel; Dontchev, Julian \(\land_s\)-closure operator and the associated topology \(\tau^{\Lambda_s}\). (English) Zbl 1104.54301 J. Indian Math. Soc., New Ser. 69, No. 1-4, 71-79 (2002). MSC: 54C08 54D30 54A05 54H05 PDFBibTeX XMLCite \textit{M. Caldas} and \textit{J. Dontchev}, J. Indian Math. Soc., New Ser. 69, No. 1--4, 71--79 (2002; Zbl 1104.54301)
Dontchev, Julian; Ganster, Maximilian; Noiri, Takashi On \(p\)-closed spaces. (English) Zbl 0965.54024 Int. J. Math. Math. Sci. 24, No. 3, 203-212 (2000). Reviewer: R.M.Stephenson (Columbia) MSC: 54D20 54A05 54D30 54H05 54D25 PDFBibTeX XMLCite \textit{J. Dontchev} et al., Int. J. Math. Math. Sci. 24, No. 3, 203--212 (2000; Zbl 0965.54024) Full Text: DOI arXiv EuDML
Caldas, Miguel; Dontchev, Julian \(G. \Lambda_S\)-sets and \(G. V_S\)-sets. (English) Zbl 0947.54014 Mem. Fac. Sci., Kochi Univ., Ser. A 21, 21-30 (2000). Reviewer: M.Ganster (Graz) MSC: 54D30 54A05 54H05 54G99 PDFBibTeX XMLCite \textit{M. Caldas} and \textit{J. Dontchev}, Mem. Fac. Sci., Kochi Univ., Ser. A 21, 21--30 (2000; Zbl 0947.54014) Full Text: arXiv
Dontchev, Julian; Ganster, Maximilian; Konstadilaki, Chariklia On locally countably \(S\)-closed and locally rc-Lindelöf spaces. (English) Zbl 0989.54025 Quaest. Math. 22, No. 2, 187-193 (1999). MSC: 54D20 54G05 54D25 54H05 PDFBibTeX XMLCite \textit{J. Dontchev} et al., Quaest. Math. 22, No. 2, 187--193 (1999; Zbl 0989.54025) Full Text: DOI
Dontchev, Julian; Noiri, Takashi Contra-semicontinuous functions. (English) Zbl 0932.54014 Math. Pannonica 10, No. 2, 159-168 (1999). Reviewer: Taras Banakh (Lvov) MSC: 54C08 54C10 54C05 PDFBibTeX XMLCite \textit{J. Dontchev} and \textit{T. Noiri}, Math. Pannonica 10, No. 2, 159--168 (1999; Zbl 0932.54014) Full Text: arXiv EuDML
Dontchev, Julian; Ganster, Maximilian More on co-RS compact topologies and RS-compact spaces. (English) Zbl 0965.54004 J. Egypt. Math. Soc. 7, No. 1, 73-81 (1999). MSC: 54A10 54D10 54D20 54C10 54D35 PDFBibTeX XMLCite \textit{J. Dontchev} and \textit{M. Ganster}, J. Egypt. Math. Soc. 7, No. 1, 73--81 (1999; Zbl 0965.54004) Full Text: arXiv
Dontchev, Julian; Maki, Haruo On \(\theta\)-generalized closed sets. (English) Zbl 0927.54037 Int. J. Math. Math. Sci. 22, No. 2, 239-249 (1999). Reviewer: M.Ganster (Graz) MSC: 54H05 54C08 54D10 54C10 54D99 PDFBibTeX XMLCite \textit{J. Dontchev} and \textit{H. Maki}, Int. J. Math. Math. Sci. 22, No. 2, 239--249 (1999; Zbl 0927.54037) Full Text: DOI EuDML
Dontchev, Julian; Ganster, Maximilian; Noiri, Takashi Unified operation approach of generalized closed sets via topological ideals. (English) Zbl 0991.54043 Math. Jap. 49, No. 3, 395-401 (1999). MSC: 54H05 54C08 54D10 54C10 PDFBibTeX XMLCite \textit{J. Dontchev} et al., Math. Japon. 49, No. 3, 395--401 (1999; Zbl 0991.54043)
Dontchev, Julian; Maki, Haruo Groups of \(\theta\)-generalized homeomorphisms and the digital line. (English) Zbl 0933.54015 Topology Appl. 95, No. 2, 113-128 (1999). Reviewer: Richard G.Wilson (México) MSC: 54C08 54D10 68U05 68U10 PDFBibTeX XMLCite \textit{J. Dontchev} and \textit{H. Maki}, Topology Appl. 95, No. 2, 113--128 (1999; Zbl 0933.54015) Full Text: DOI
Arokiarani, I.; Balachandran, K.; Dontchev, J. Some characterizations of \(gp\)-irresolute and \(gp\)-continuous maps between topological spaces. (English) Zbl 0923.54015 Mem. Fac. Sci., Kochi Univ., Ser. A 20, 93-104 (1999). Reviewer: M.Ganster (Graz) MSC: 54C08 54D10 54D30 54H05 54C10 PDFBibTeX XMLCite \textit{I. Arokiarani} et al., Mem. Fac. Sci., Kochi Univ., Ser. A 20, 93--104 (1999; Zbl 0923.54015)
Dontchev, Julian \(T_{\frac 34}\) and the digital line. (English) Zbl 0912.54026 Gartside, Paul (ed.), Proceedings of the 2nd Galway topology colloquium, Oxford, UK, September 1998. North Bay, ON: Topology Atlas, 29 p. (1998). Reviewer: Richard G.Wilson (México) MSC: 54D10 54D20 PDFBibTeX XMLCite \textit{J. Dontchev}, in: Proceedings of the 2nd Galway topology colloquium, Oxford, UK, September 1998. North Bay, ON: Topology Atlas; Oxford: Oxford University Press. 29 p. (1998; Zbl 0912.54026) Full Text: Link
Dontchev, Julian; Maki, Haruo On the behavior of gp-closed sets and their generalizations. (English) Zbl 0894.54005 Mem. Fac. Sci., Kochi Univ., Ser. A 19, 57-72 (1998). Reviewer: M.Ganster (Graz) MSC: 54A05 54C08 54F99 54H05 PDFBibTeX XMLCite \textit{J. Dontchev} and \textit{H. Maki}, Mem. Fac. Sci., Kochi Univ., Ser. A 19, 57--72 (1998; Zbl 0894.54005)
Dontchev, Julian; Ganster, Maximilian Some comments on \(\theta\)-irresolute and quasi-irresolute functions. (English) Zbl 0826.54011 Serdica Math. J. 21, No. 1, 67-74 (1995). Reviewer: Min Lequan (Beijing) MSC: 54C10 54H05 PDFBibTeX XMLCite \textit{J. Dontchev} and \textit{M. Ganster}, Serdica Math. J. 21, No. 1, 1 (1995; Zbl 0826.54011) Full Text: EuDML
Dontchev, Julian An answer to a question of Ganster, Noiri and Reilly. (English) Zbl 0819.54009 Quest. Answers Gen. Topology 13, No. 1, 77-81 (1995). Reviewer: M.Ganster (Graz) MSC: 54C10 54C05 54H05 54C08 PDFBibTeX XMLCite \textit{J. Dontchev}, Quest. Answers Gen. Topology 13, No. 1, 77--81 (1995; Zbl 0819.54009)