Edit Profile (opens in new tab) Numakura, Katsumi Compute Distance To: Compute Author ID: numakura.katsumi Published as: Numakura, Katsumi; Numakura, K. Documents Indexed: 20 Publications since 1952 1 Contribution as Editor Co-Authors: 2 Co-Authors with 1 Joint Publication 14 Co-Co-Authors Co-Authors 20 single-authored 1 Faucett, W. M. 1 Koch, Robert Jacob all top 5 Serials 5 Duke Mathematical Journal 3 Mathematical Journal of Okayama University 2 Czechoslovak Mathematical Journal 2 Proceedings of the Japan Academy 1 Proceedings of the American Mathematical Society 1 Proceedings of the Japan Academy. Series A 1 Semigroup Forum Fields 8 Topological groups, Lie groups (22-XX) 2 Commutative algebra (13-XX) 2 Group theory and generalizations (20-XX) 1 General and overarching topics; collections (00-XX) 1 Associative rings and algebras (16-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 14 Publications have been cited 153 times in 135 Documents Cited by ▼ Year ▼ On bicompact semigroups. Zbl 0047.25502Numakura, Katsumi 60 1952 Theorems on compact totally disconnected semigroups and lattices. Zbl 0081.25602Numakura, Katsumi 47 1957 Complements of maximal ideals in compact semi-groups. Zbl 0065.25303Faucett, W. M.; Koch, R. J.; Numakura, K. 13 1955 Prime ideals and idempotents in compact semigroups. Zbl 0218.22004Numakura, K. 13 1957 Theory of compact rings. III: Compact dual rings. Zbl 0105.26302Numakura, Katsumi 4 1962 A note on Wedderburn decompositions of compact rings. Zbl 0090.02802Numakura, Katsumi 3 1959 Compact dual semigroups without nilpotent ideals. Zbl 0128.25103Numakura, K. 3 1964 On q-ideals in compact semigroups. Zbl 0394.22004Numakura, Katsumi 2 1978 Closedness of q-ideals in a compact and totally disconnected semigroup. Zbl 0401.22006Numakura, Katsumi 2 1978 A note on the structure of commutative semigroups. Zbl 0058.01504Numakura, Katsumi 2 1954 Topics on open prime ideals in compact semigroups. Zbl 0356.22002Numakura, Katsumi 1 1977 Theory of compact rings. Zbl 0065.26702Numakura, Katsumi 1 1955 Theory of compact rings. II. Zbl 0070.27002Numakura, Katsumi 1 1956 Notes on compact rings with open radical. Zbl 0537.13002Numakura, Katsumi 1 1983 Notes on compact rings with open radical. Zbl 0537.13002Numakura, Katsumi 1 1983 On q-ideals in compact semigroups. Zbl 0394.22004Numakura, Katsumi 2 1978 Closedness of q-ideals in a compact and totally disconnected semigroup. Zbl 0401.22006Numakura, Katsumi 2 1978 Topics on open prime ideals in compact semigroups. Zbl 0356.22002Numakura, Katsumi 1 1977 Compact dual semigroups without nilpotent ideals. Zbl 0128.25103Numakura, K. 3 1964 Theory of compact rings. III: Compact dual rings. Zbl 0105.26302Numakura, Katsumi 4 1962 A note on Wedderburn decompositions of compact rings. Zbl 0090.02802Numakura, Katsumi 3 1959 Theorems on compact totally disconnected semigroups and lattices. Zbl 0081.25602Numakura, Katsumi 47 1957 Prime ideals and idempotents in compact semigroups. Zbl 0218.22004Numakura, K. 13 1957 Theory of compact rings. II. Zbl 0070.27002Numakura, Katsumi 1 1956 Complements of maximal ideals in compact semi-groups. Zbl 0065.25303Faucett, W. M.; Koch, R. J.; Numakura, K. 13 1955 Theory of compact rings. Zbl 0065.26702Numakura, Katsumi 1 1955 A note on the structure of commutative semigroups. Zbl 0058.01504Numakura, Katsumi 2 1954 On bicompact semigroups. Zbl 0047.25502Numakura, Katsumi 60 1952 all cited Publications top 5 cited Publications all top 5 Cited by 121 Authors 7 Shum, Kar-Ping 6 Davey, Brian A. 5 Haviar, Miroslav 5 Numakura, Katsumi 5 Priestley, Hilary A. 5 Schwarz, Štefan 5 Stralka, Albert R. 5 Wallace, Alexander Doniphan 4 Almeida, Jorge 4 Hofmann, Karl Heinrich 3 Phạm Ngọc Ánh 3 Gutik, Oleg Volodymyrovych 3 Hindman, Neil 3 Koch, Robert Jacob 3 Tkachenko, Mikhail Gelievich 3 Ursul, Mihail I. 2 Bednarek, Alexander R. 2 Bergelson, Vitaly 2 Brown, Dennison R. 2 Choe, Tae Ho 2 Chow, Hing Lun 2 Clinkenbeard, Dennis J. 2 Costa, Alfredo 2 Day, Brian John 2 Day, Jane Maxwell 2 Faucett, W. M. 2 Fernández Bretón, David José 2 Friedberg, Michael 2 Gigoń, Roman S. 2 Heble, Madhar P. 2 Jackson, Marcel G. 2 Mukherjea, Arunava 2 Reggio, Luca 2 Remus, Dieter 2 Sanchis, Manuel 2 Taylor, Walter F. 2 Trotta, Belinda 2 Xie, Lihong 1 Argabright, Loren N. 1 Austin, C. W. 1 Banakh, Taras Onufrievich 1 Bezhanishvili, Guram 1 Blass, Andreas Raphael 1 Bourne, Samuel 1 Bradley, Richard C. jun. 1 Carnal, Henri 1 Chinda, K. P. 1 Clark, David Michael 1 Comfort, William Wistar 1 Costa, José Carlos 1 Díaz, Roberto C. 1 Dobbins, Greg 1 Dont, Miroslav 1 Eckstein, Frank 1 Gierz, Gerhard 1 Goodwin, Jeffrey R. 1 Gouveia, Maria João 1 Gutman, Yonatan 1 Harding, John 1 Heath, Robert W. 1 Heindorf, Lutz 1 Hildebrant, John A. 1 Hognas, Goran 1 Hoo, Cheong-Seng 1 Hunter, Robert P. 1 Johansen, Sarah M. 1 Johnson, John H. jun. 1 Jurek, Zbigniew J. 1 Kassimates, C. 1 Khylynskyi, Pavlo 1 Kimura, Naoki 1 Klíma, Ondřej 1 Krajňáková, Dorota 1 Krňan, František 1 Kroeker, Matthew E. 1 Lau, August Yiu-Wa 1 Li, Hanfeng 1 Li, Jie 1 Lin, Shou 1 Lin, You-Feng 1 Mostert, Paul S. 1 Mykhalenych, M. S. 1 Nordahl, Thomas E. 1 Norris, Eugene M. 1 Oprocha, Piotr 1 Pearson, Kenneth Robert 1 Pin, Jean-Eric 1 Pippenger, Nicholas J. 1 Pitkethly, Jane G. 1 Rankin, Stuart A. 1 Reis, Cecília M. 1 Repovš, Dušan D. 1 Richter, Florian Karl 1 Rosen, William G. 1 Rosenblatt, Murray 1 Rothman, Neal J. 1 Schäferkotter, Michael R. 1 Schneider, Friedrich Martin 1 Silva, Pedro V. 1 Simmons, David ...and 21 more Authors all top 5 Cited in 44 Serials 18 Semigroup Forum 15 Proceedings of the American Mathematical Society 12 Czechoslovak Mathematical Journal 10 Topology and its Applications 8 Algebra Universalis 5 Transactions of the American Mathematical Society 4 Journal of Mathematical Analysis and Applications 4 Advances in Mathematics 4 Matematický Časopis, Slovenskej Akadémie Vied 3 Acta Mathematica Academiae Scientiarum Hungaricae 3 Journal of Pure and Applied Algebra 3 Mathematische Zeitschrift 3 Applied Categorical Structures 2 Bulletin of the Australian Mathematical Society 2 Communications in Algebra 2 Annales de l’Institut Fourier 2 Journal of Algebra 2 Mathematische Annalen 2 Mathematica Slovaca 2 Mathematical Systems Theory 2 Ergodic Theory and Dynamical Systems 2 Annales de l’Institut Henri Poincaré. Nouvelle Série. Section B. Calcul des Probabilités et Statistique 2 Bulletin of the American Mathematical Society 2 Proceedings of the Japan Academy 1 American Mathematical Monthly 1 Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg 1 Acta Arithmetica 1 Glasgow Mathematical Journal 1 Journal of Combinatorial Theory. Series A 1 The Journal of Symbolic Logic 1 Monatshefte für Mathematik 1 Proceedings of the Japan Academy. Series A 1 Rendiconti del Seminario Matematico della Università di Padova 1 Studia Logica 1 Theoretical Computer Science 1 Acta Mathematica Hungarica 1 Journal of Theoretical Probability 1 Aequationes Mathematicae 1 Linear Algebra and its Applications 1 Theory of Computing Systems 1 Matematychni Studiï 1 Kodai Mathematical Seminar Reports 1 Matematicko-Fyzikálny Časopis, Slovenskej Akadémie Vied 1 Topological Algebra and its Applications all top 5 Cited in 24 Fields 46 Topological groups, Lie groups (22-XX) 33 Group theory and generalizations (20-XX) 30 General topology (54-XX) 15 Order, lattices, ordered algebraic structures (06-XX) 14 General algebraic systems (08-XX) 8 Associative rings and algebras (16-XX) 8 Category theory; homological algebra (18-XX) 6 Mathematical logic and foundations (03-XX) 6 Abstract harmonic analysis (43-XX) 5 Combinatorics (05-XX) 5 Probability theory and stochastic processes (60-XX) 5 Computer science (68-XX) 4 Dynamical systems and ergodic theory (37-XX) 3 Commutative algebra (13-XX) 2 Number theory (11-XX) 2 Linear and multilinear algebra; matrix theory (15-XX) 2 Measure and integration (28-XX) 1 History and biography (01-XX) 1 Potential theory (31-XX) 1 Ordinary differential equations (34-XX) 1 Partial differential equations (35-XX) 1 Functional analysis (46-XX) 1 Manifolds and cell complexes (57-XX) 1 Systems theory; control (93-XX) Citations by Year