Edit Profile (opens in new tab) Koch, Robert Jacob (b. 1926 d. 2020) Co-Author Distance Author ID: koch.robert-j Published as: Koch, R. J.; Koch, Robert J.; Koch, R.; Koch, Robert Jacob more...less External Links: MGP Documents Indexed: 37 Publications since 1954, including 2 Books Reviewing Activity: 9 Reviews Co-Authors: 16 Co-Authors with 24 Joint Publications 149 Co-Co-Authors all top 5 Co-Authors 13 single-authored 5 Cohen, Haskell 4 Hildebrant, John A. 3 Madison, Bernard L. 3 Wallace, Alexander Doniphan 2 Carruth, J. Harvey 2 Hofmann, Karl Heinrich 2 McAuley, Louis Floyd 2 Mostert, Paul S. 1 Anderson, Lee W. 1 Collins, Heron Sherwood 1 Faucett, W. M. 1 Hunter, Robert P. 1 Krule, I. S. 1 Lawson, Jimmie Don 1 Numakura, Katsumi 1 Pall, Gordon all top 5 Serials 10 Semigroup Forum 4 Duke Mathematical Journal 4 Transactions of the American Mathematical Society 3 Fundamenta Mathematicae 3 Proceedings of the American Mathematical Society 2 Mathematische Zeitschrift 2 Pacific Journal of Mathematics 2 Pure and Applied Mathematics, Marcel Dekker 1 Mathematica Japonica 1 Simon Stevin 1 Journal of the Australian Mathematical Society. Series A 1 Anais da Academia Brasileira de Ciências all top 5 Fields 12 Topological groups, Lie groups (22-XX) 10 Group theory and generalizations (20-XX) 3 Order, lattices, ordered algebraic structures (06-XX) 2 History and biography (01-XX) 2 Manifolds and cell complexes (57-XX) 1 General algebraic systems (08-XX) 1 Category theory; homological algebra (18-XX) 1 General topology (54-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 25 Publications have been cited 343 times in 237 Documents Cited by ▼ Year ▼ The theory of topological semigroups. Zbl 0515.22003 Carruth, J. H.; Hildebrant, J. A.; Koch, R. J. 69 1983 Maximal ideals in compact semigroups. Zbl 0057.01502 Koch, R. J.; Wallace, A. D. 46 1954 Arcs in partially ordered spaces. Zbl 0087.37801 Koch, Robert Jacob 35 1959 The theory of topological semigroups. Volume 2. Zbl 0581.22001 Carruth, J. H.; Hildebrant, J. A.; Koch, R. J. 22 1986 On monothetic semigroups. Zbl 0078.01801 Koch, R. J. 21 1957 Some results on stability in semigroups. Zbl 0133.27803 Anderson, L. W.; Hunter, R. P.; Koch, R. J. 20 1965 Stability in semigroups. Zbl 0218.22003 Koch, R. J.; Wallace, A. D. 17 1957 Admissibility of semigroup structures on continua. Zbl 0081.25506 Koch, R. J.; Wallace, A. D. 15 1958 Complements of maximal ideals in compact semi-groups. Zbl 0065.25303 Faucett, W. M.; Koch, R. J.; Numakura, K. 13 1955 Weak cutpoint ordering on hereditarily unicoherent continua. Zbl 0098.36001 Koch, R. J.; Krule, I. S. 11 1960 Swelling actions of \(\Gamma\)-compact semigroups. Zbl 0582.22001 Hildebrant, J. A.; Koch, R. J. 11 1986 Remarks on primitive idempotents in compact semigroups with zero. Zbl 0056.02704 Koch, R. J. 10 1954 Threads in compact semigroups. Zbl 0126.26803 Koch, R. 10 1964 Acyclic semigroups and multiplications on two-manifolds. Zbl 0128.41101 Cohen, Haskell; Koch, R. J. 9 1965 Note on weak cutpoints in clans. Zbl 0216.34203 Koch, R. J. 8 1957 Ordered semigroups in partially ordered semigroups. Zbl 0099.01902 Koch, R. J. 4 1960 Semigroups on continua ruled by ares. Zbl 0126.38801 Koch, R.; McAuley, L. 4 1964 Comparison of congruences on regular semigroups. Zbl 0508.20033 Koch, Robert J. 3 1983 Congruences under L on regular semigroups. Zbl 0525.20044 Koch, R. J.; Madison, B. L. 3 1983 Regular D-classes in measure semigroups. Zbl 0122.02701 Collins, H. S.; Koch, R. J. 3 1962 Alexander Doniphan Wallace. On his 68th birthday. Zbl 0275.01020 Hofmann, Karl Heinrich; Koch, R. J.; Mostert, P. S. 3 1974 Semigroups on trees. Zbl 0102.02302 Koch, R. J.; McAuley, Louis F. 2 1962 Compact connected spaces supporting topological semigroups. Zbl 0218.22005 Koch, R. J. 2 1970 Idempotent semigroups generated by threads. I. Zbl 0533.22002 Cohen, H.; Koch, R. J. 1 1981 Alexander Doniphan Wallace in memoriam. Zbl 0605.01019 Hofmann, Karl Heinrich; Koch, R. J.; Mostert, P. S. 1 1986 The theory of topological semigroups. Volume 2. Zbl 0581.22001 Carruth, J. H.; Hildebrant, J. A.; Koch, R. J. 22 1986 Swelling actions of \(\Gamma\)-compact semigroups. Zbl 0582.22001 Hildebrant, J. A.; Koch, R. J. 11 1986 Alexander Doniphan Wallace in memoriam. Zbl 0605.01019 Hofmann, Karl Heinrich; Koch, R. J.; Mostert, P. S. 1 1986 The theory of topological semigroups. Zbl 0515.22003 Carruth, J. H.; Hildebrant, J. A.; Koch, R. J. 69 1983 Comparison of congruences on regular semigroups. Zbl 0508.20033 Koch, Robert J. 3 1983 Congruences under L on regular semigroups. Zbl 0525.20044 Koch, R. J.; Madison, B. L. 3 1983 Idempotent semigroups generated by threads. I. Zbl 0533.22002 Cohen, H.; Koch, R. J. 1 1981 Alexander Doniphan Wallace. On his 68th birthday. Zbl 0275.01020 Hofmann, Karl Heinrich; Koch, R. J.; Mostert, P. S. 3 1974 Compact connected spaces supporting topological semigroups. Zbl 0218.22005 Koch, R. J. 2 1970 Some results on stability in semigroups. Zbl 0133.27803 Anderson, L. W.; Hunter, R. P.; Koch, R. J. 20 1965 Acyclic semigroups and multiplications on two-manifolds. Zbl 0128.41101 Cohen, Haskell; Koch, R. J. 9 1965 Threads in compact semigroups. Zbl 0126.26803 Koch, R. 10 1964 Semigroups on continua ruled by ares. Zbl 0126.38801 Koch, R.; McAuley, L. 4 1964 Regular D-classes in measure semigroups. Zbl 0122.02701 Collins, H. S.; Koch, R. J. 3 1962 Semigroups on trees. Zbl 0102.02302 Koch, R. J.; McAuley, Louis F. 2 1962 Weak cutpoint ordering on hereditarily unicoherent continua. Zbl 0098.36001 Koch, R. J.; Krule, I. S. 11 1960 Ordered semigroups in partially ordered semigroups. Zbl 0099.01902 Koch, R. J. 4 1960 Arcs in partially ordered spaces. Zbl 0087.37801 Koch, Robert Jacob 35 1959 Admissibility of semigroup structures on continua. Zbl 0081.25506 Koch, R. J.; Wallace, A. D. 15 1958 On monothetic semigroups. Zbl 0078.01801 Koch, R. J. 21 1957 Stability in semigroups. Zbl 0218.22003 Koch, R. J.; Wallace, A. D. 17 1957 Note on weak cutpoints in clans. Zbl 0216.34203 Koch, R. J. 8 1957 Complements of maximal ideals in compact semi-groups. Zbl 0065.25303 Faucett, W. M.; Koch, R. J.; Numakura, K. 13 1955 Maximal ideals in compact semigroups. Zbl 0057.01502 Koch, R. J.; Wallace, A. D. 46 1954 Remarks on primitive idempotents in compact semigroups with zero. Zbl 0056.02704 Koch, R. J. 10 1954 all cited Publications top 5 cited Publications all top 5 Cited by 181 Authors 20 Gutik, Oleg Volodymyrovych 15 Koch, Robert Jacob 11 Bardyla, Serhii 9 Brown, Dennison R. 9 Hofmann, Karl Heinrich 9 Hunter, Robert P. 8 Banakh, Taras Onufrievich 8 Wallace, Alexander Doniphan 7 Lawson, Jimmie Don 6 Cohen, Haskell 6 Mostert, Paul S. 6 Repovš, Dušan D. 6 Shum, Kar-Ping 5 Anderson, Lee W. 5 Friedberg, Michael 5 Schwarz, Štefan 5 Ward, Lewis E. jun. 4 Day, Jane Maxwell 4 Hays, T. E. 4 Hildebrant, John A. 4 Mislove, Michael W. 4 Ravsky, Alex 3 Almeida, Jorge 3 Averbukh, Boris G. 3 Carruth, J. Harvey 3 Chow, Hing Lun 3 Eberhart, Carl 3 Madison, Bernard L. 3 McCharen, John D. 3 Numakura, Katsumi 3 Pastukhova, Iryna 3 Pearson, Kenneth Robert 3 Selden, John 3 Stepp, James W. 2 Aucoin, Karen D. 2 Barit, William 2 Costa, Alfredo 2 Dumesnil, Jill A. 2 East, James 2 Faucett, W. M. 2 Ghiselli Ricci, Roberto 2 Gray, Robert D. 2 Klement, Erich Peter 2 Klíma, Ondřej 2 Kripalini, K. S. 2 Lum, Lewis 2 Magill, Kenneth D. jun. 2 Mary, Xavier 2 Mesiar, Radko 2 Mukherjea, Arunava 2 Pérez, Jerson 2 Shields, Allen L. 2 So, Shing-Seung 2 Stadtlander, David P. 2 Stralka, Albert R. 2 Swingle, Paul M. 2 Tserpes, Nicolas A. 2 Uzcategui, Carlos Enrique 2 Williams, Wiley 2 Zelenyuk, Yevhen G. 1 Arana, Karen 1 Barker, George Phillip 1 Bednarek, Alexander R. 1 Benningfield, Kirk 1 Berezovski, Tetyana 1 Bonnet, Robert 1 Bowman, Thomas T. 1 Budak, Talin 1 Bywaters, Timothy P. 1 Cartwright, Donald I. 1 Chacón-Tirado, Mauricio Esteban 1 Chinda, K. P. 1 Choi, Keunbae 1 Chuchman, Ivan 1 Clark, Charles Edgar 1 Dandan, Yang 1 Díaz, Roberto C. 1 Dimitrova, Svetlana D. 1 Dobbins, Greg 1 Durante, Fabrizio 1 Fugate, J. B. 1 Gass, Michael 1 Geetha, S. K. 1 Gigoń, Roman S. 1 González-Torres, Raúl Ernesto 1 Goodwin, Jeffrey R. 1 Gordh, George R. jun. 1 Gould, Victoria A. R. 1 Guo, Xiaojiang 1 Guran, Igor I. 1 Hernández Arzusa, Julio Cesar 1 Higgins, Peter Michael 1 Hoo, Cheong-Seng 1 Horvath, Charles D. 1 Houston, R. S. 1 Hu, Hung-tzaw 1 Huth, Michael R. A. 1 Işık, Nilgün 1 Jamison, Robert E. 1 Jones, Peter R. ...and 81 more Authors all top 5 Cited in 55 Serials 64 Semigroup Forum 27 Proceedings of the American Mathematical Society 17 Transactions of the American Mathematical Society 15 Czechoslovak Mathematical Journal 13 Topology and its Applications 9 Mathematische Zeitschrift 8 Journal of the Australian Mathematical Society 7 Topological Algebra and its Applications 4 Communications in Algebra 4 Journal of Pure and Applied Algebra 3 Fuzzy Sets and Systems 3 Journal of Algebra 3 Mathematische Annalen 3 Mathematica Slovaca 3 Mathematical Systems Theory 3 Bulletin of the American Mathematical Society 3 Carpathian Mathematical Publications 2 Glasgow Mathematical Journal 2 International Journal of Mathematics and Mathematical Sciences 2 Aequationes Mathematicae 2 Linear Algebra and its Applications 2 Topology Proceedings 2 Matematický Časopis, Slovenskej Akadémie Vied 2 Matematicko-Fyzikálny Časopis, Slovenskej Akadémie Vied 2 Groups, Geometry, and Dynamics 2 Applied General Topology 1 Acta Mathematica Academiae Scientiarum Hungaricae 1 International Journal of General Systems 1 International Journal of Mathematical Education in Science and Technology 1 Israel Journal of Mathematics 1 Linear and Multilinear Algebra 1 Periodica Mathematica Hungarica 1 Rocky Mountain Journal of Mathematics 1 Archiv der Mathematik 1 Demonstratio Mathematica 1 Journal of Mathematical Economics 1 Monatshefte für Mathematik 1 Proceedings of the Japan Academy. Series A 1 Results in Mathematics 1 Zeitschrift für Wahrscheinlichkeitstheorie und Verwandte Gebiete 1 Acta Mathematica Hungarica 1 Order 1 Science in China. Series A 1 Historia Mathematica 1 Indagationes Mathematicae. New Series 1 Russian Mathematics 1 Boletín de la Sociedad Matemática Mexicana. Third Series 1 Matematychni Metody ta Fizyko-Mekhanichni Polya 1 Matematychni Studiï 1 Journal of Group Theory 1 Algebra and Discrete Mathematics 1 Proceedings of the Japan Academy 1 Proceedings of the International Geometry Center 1 Axioms 1 European Journal of Mathematics all top 5 Cited in 28 Fields 126 Topological groups, Lie groups (22-XX) 82 Group theory and generalizations (20-XX) 57 General topology (54-XX) 24 Order, lattices, ordered algebraic structures (06-XX) 6 Abstract harmonic analysis (43-XX) 5 History and biography (01-XX) 5 Mathematical logic and foundations (03-XX) 5 General algebraic systems (08-XX) 5 Probability theory and stochastic processes (60-XX) 4 Linear and multilinear algebra; matrix theory (15-XX) 4 Category theory; homological algebra (18-XX) 3 Combinatorics (05-XX) 3 Associative rings and algebras (16-XX) 3 Dynamical systems and ergodic theory (37-XX) 2 Operator theory (47-XX) 2 Convex and discrete geometry (52-XX) 2 Manifolds and cell complexes (57-XX) 2 Computer science (68-XX) 1 Number theory (11-XX) 1 Algebraic geometry (14-XX) 1 Measure and integration (28-XX) 1 Difference and functional equations (39-XX) 1 Sequences, series, summability (40-XX) 1 Functional analysis (46-XX) 1 Algebraic topology (55-XX) 1 Global analysis, analysis on manifolds (58-XX) 1 Statistics (62-XX) 1 Game theory, economics, finance, and other social and behavioral sciences (91-XX) Citations by Year