Edit Profile (opens in new tab) Freni, Domenico Co-Author Distance Author ID: freni.domenico Published as: Freni, Domenico; Freni, D. Documents Indexed: 51 Publications since 1980 Co-Authors: 12 Co-Authors with 29 Joint Publications 166 Co-Co-Authors all top 5 Co-Authors 21 single-authored 19 De Salvo, Mario 16 Lo Faro, Giovanni 9 Fasino, Dario 2 Dikranjan, Dikran N. 2 Gutan, Marin 2 Sureau, Yves 2 Toller, Daniele 1 Castellano, Ilaria 1 Giordano Bruno, Anna 1 Heidari, Dariush 1 Rodinò, Nicola 1 Xi, Wenfei all top 5 Serials 6 Le Matematiche 4 Communications in Algebra 4 Journal of Multiple-Valued Logic and Soft Computing 3 Journal of Algebra 3 Rivista di Matemàtica Pura ed Applicata 3 Atti del Seminario Matematico e Fisico dell’Università di Modena 2 Rivista di Matematica della Università di Parma. Serie IV 2 Annales Mathématiques Blaise Pascal 2 Filomat 2 Mediterranean Journal of Mathematics 1 Acta Universitatis Carolinae. Mathematica et Physica 1 Computers & Mathematics with Applications 1 Discrete Mathematics 1 Algebra Universalis 1 Annales Scientifiques de l’Université de Clermont-Ferrand II. Mathématiques 1 Matematički Vesnik 1 Rendiconti del Circolo Matemàtico di Palermo. Serie II 1 Rendiconti. Scienze Matemàtiche e Applicazioni. A 1 PU.M.A. Pure Mathematics and Applications. Ser. A 1 Atti della Società Peloritana di Scienze Fisiche, Matemàtiche e Naturali 1 Analele Științifice ale Universității Al. I. Cuza din Iași. Serie Nouă. Matematică 1 Mathematica 1 Mathematica Montisnigri 1 PU.M.A. Pure Mathematics and Applications 1 Turkish Journal of Mathematics 1 Far East Journal of Mathematical Sciences 1 Journal of Algebra and its Applications 1 Arabian Journal of Mathematics all top 5 Fields 51 Group theory and generalizations (20-XX) 7 Combinatorics (05-XX) 3 General algebraic systems (08-XX) 2 Dynamical systems and ergodic theory (37-XX) 1 Category theory; homological algebra (18-XX) 1 Topological groups, Lie groups (22-XX) 1 Measure and integration (28-XX) 1 General topology (54-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 31 Publications have been cited 307 times in 139 Documents Cited by ▼ Year ▼ A new characterization of the derived hypergroup via strongly regular equivalences. Zbl 1021.20045Freni, Domenico 59 2002 Strongly transitive geometric spaces: applications to hypergroups and semigroups theory. Zbl 1075.20028Freni, Domenico 39 2004 A note on the core of a hypergroup and on the transitive closure \(\beta^*\) of \(\beta\). (Une note sur le coeur d’un hypergroupe et sur la cloture transitive \(\beta^*\) de \(\beta\).) Zbl 0780.20047Freni, Domenico 39 1991 Existence of proper semihypergroups of type \(U\) on the right. Zbl 1132.20046Fasino, Dario; Freni, Domenico 22 2007 Fully simple semihypergroups. Zbl 1304.20080De Salvo, Mario; Freni, Domenico; Lo Faro, Giovanni 16 2014 Cyclic semi-hypergroups and hypergroups. Zbl 0567.20051De Salvo, Mario; Freni, Domenico 14 1981 Minimal order semihypergroups of type \(U\) on the right. II. Zbl 1235.20062Freni, Domenico 14 2011 Minimal order semihypergroups of type \(U\) on the right. Zbl 1179.20068Fasino, Dario; Freni, Domenico 9 2008 Hypergroups of type \(U\) and homology of complexes. (Hypergroupes de type \(U\) et homologie de complexes.) Zbl 0839.20079Freni, D.; Sureau, Y. 9 1996 Structure des hypergroupes quotients et des hypergroupes de type U. (Structure of quotient hypergroups and of hypergroups of type U). Zbl 0587.20041Freni, Domenico 8 1984 Fundamental relations in simple and 0-simple semihypergroups of small size. Zbl 1266.20084Fasino, Dario; Freni, Domenico 8 2012 Fully simple semihypergroups, transitive digraphs, and sequence A000712. Zbl 1309.20058De Salvo, Mario; Fasino, Dario; Freni, Domenico; Lo Faro, Giovanni 8 2014 On the hypergroups of type U and sub-hypergroups generated by a subset. (Sur les hypergroupes de type U et sous-hypergroupes engendrés par un sous-ensemble.) Zbl 0673.20040Freni, Domenico 7 1987 Hypergroups of type \(U\) on the right of size five. II. Zbl 1187.20070De Salvo, Mario; Freni, Domenico; Lo Faro, Giovanni 7 2008 A family of 0-simple semihypergroups related to sequence A000070. Zbl 1393.20034De Salvo, Mario; Fasino, Dario; Freni, Domenico; Lo Faro, Giovanni 7 2016 Isomorphism classes of the hypergroups of type \(U\) on the right of size five. Zbl 1189.20066De Salvo, Mario; Fasino, Dario; Freni, Domenico; Lo Faro, Giovanni 6 2009 A note on the right scalar identity of a hypergroup of type \(U\) on the right. (Une note sur l’identité scalaire à droite d’un hypergroupe de type \(U\) à droite.) Zbl 0797.20063Freni, Domenico 6 1992 On the hypergroups of type \(U\) on the right of size five, with scalar identity. Zbl 1236.20069De Salvo, Mario; Freni, Domenico; Lo Faro, Giovanni 5 2011 A new family of hypergroups and hypergroups of type \(U\) on the right of size five. Zbl 1142.20053De Salvo, Mario; Freni, Domenico; Lo Faro, Giovanni 5 2007 Hypercyclic subhypergroups of finite fully simple semihypergroups. Zbl 1398.20083De Salvo, Mario; Freni, Domenico; Lo Faro, Giovanni 3 2017 On the hypergroups of type \(U\). (Sur les hypergroupes de type \(U\).) Zbl 0851.20067Freni, Domenico; Guţan, Marin 3 1994 On the heart of hypergroups. Zbl 0810.20057Corsini, P.; Freni, D. 2 1993 On the group of scalars of a hypergroup. (Sur le groupe des scalaires d’un hypergroupe.) Zbl 0893.20050Freni, D.; Gutan, M.; Sureau, Y. 2 1996 Hypergroupoids and fundamental relations. Zbl 0842.20056Freni, Domenico 2 1994 On further properties of fully zero-simple semihypergroups. Zbl 1455.20040De Salvo, Mario; Freni, Domenico; Lo Faro, Giovanni 1 2019 On r-hypergroups and extensions. Zbl 0585.20044Freni, Domenico 1 1981 Cyclic hypergroups and torsion in hypergroups. Zbl 0527.20055Freni, Domenico 1 1980 On the hypergroups with four proper pairs and three or four non-scalar elements. Zbl 0977.20503De Salvo, Mario; Freni, Domenico; Lo Faro, Giovanni 1 1996 Semihypergroups obtained by merging of 0-semigroups with groups. Zbl 1499.20182De Salvo, Mario; Fasino, Dario; Freni, Domenico; Lo Faro, Giovanni 1 2018 On the hypergroups with four proper pairs and without scalars. Zbl 0869.20049De Salvo, Mario; Freni, Domenico; Lo Faro, Giovanni 1 1996 On the hypergroups with four proper pairs and two or three non-scalar elements. Zbl 0878.20044De Salvo, Mario; Freni, Domenico; Lo Faro, Giovanni 1 1997 On further properties of fully zero-simple semihypergroups. Zbl 1455.20040De Salvo, Mario; Freni, Domenico; Lo Faro, Giovanni 1 2019 Semihypergroups obtained by merging of 0-semigroups with groups. Zbl 1499.20182De Salvo, Mario; Fasino, Dario; Freni, Domenico; Lo Faro, Giovanni 1 2018 Hypercyclic subhypergroups of finite fully simple semihypergroups. Zbl 1398.20083De Salvo, Mario; Freni, Domenico; Lo Faro, Giovanni 3 2017 A family of 0-simple semihypergroups related to sequence A000070. Zbl 1393.20034De Salvo, Mario; Fasino, Dario; Freni, Domenico; Lo Faro, Giovanni 7 2016 Fully simple semihypergroups. Zbl 1304.20080De Salvo, Mario; Freni, Domenico; Lo Faro, Giovanni 16 2014 Fully simple semihypergroups, transitive digraphs, and sequence A000712. Zbl 1309.20058De Salvo, Mario; Fasino, Dario; Freni, Domenico; Lo Faro, Giovanni 8 2014 Fundamental relations in simple and 0-simple semihypergroups of small size. Zbl 1266.20084Fasino, Dario; Freni, Domenico 8 2012 Minimal order semihypergroups of type \(U\) on the right. II. Zbl 1235.20062Freni, Domenico 14 2011 On the hypergroups of type \(U\) on the right of size five, with scalar identity. Zbl 1236.20069De Salvo, Mario; Freni, Domenico; Lo Faro, Giovanni 5 2011 Isomorphism classes of the hypergroups of type \(U\) on the right of size five. Zbl 1189.20066De Salvo, Mario; Fasino, Dario; Freni, Domenico; Lo Faro, Giovanni 6 2009 Minimal order semihypergroups of type \(U\) on the right. Zbl 1179.20068Fasino, Dario; Freni, Domenico 9 2008 Hypergroups of type \(U\) on the right of size five. II. Zbl 1187.20070De Salvo, Mario; Freni, Domenico; Lo Faro, Giovanni 7 2008 Existence of proper semihypergroups of type \(U\) on the right. Zbl 1132.20046Fasino, Dario; Freni, Domenico 22 2007 A new family of hypergroups and hypergroups of type \(U\) on the right of size five. Zbl 1142.20053De Salvo, Mario; Freni, Domenico; Lo Faro, Giovanni 5 2007 Strongly transitive geometric spaces: applications to hypergroups and semigroups theory. Zbl 1075.20028Freni, Domenico 39 2004 A new characterization of the derived hypergroup via strongly regular equivalences. Zbl 1021.20045Freni, Domenico 59 2002 On the hypergroups with four proper pairs and two or three non-scalar elements. Zbl 0878.20044De Salvo, Mario; Freni, Domenico; Lo Faro, Giovanni 1 1997 Hypergroups of type \(U\) and homology of complexes. (Hypergroupes de type \(U\) et homologie de complexes.) Zbl 0839.20079Freni, D.; Sureau, Y. 9 1996 On the group of scalars of a hypergroup. (Sur le groupe des scalaires d’un hypergroupe.) Zbl 0893.20050Freni, D.; Gutan, M.; Sureau, Y. 2 1996 On the hypergroups with four proper pairs and three or four non-scalar elements. Zbl 0977.20503De Salvo, Mario; Freni, Domenico; Lo Faro, Giovanni 1 1996 On the hypergroups with four proper pairs and without scalars. Zbl 0869.20049De Salvo, Mario; Freni, Domenico; Lo Faro, Giovanni 1 1996 On the hypergroups of type \(U\). (Sur les hypergroupes de type \(U\).) Zbl 0851.20067Freni, Domenico; Guţan, Marin 3 1994 Hypergroupoids and fundamental relations. Zbl 0842.20056Freni, Domenico 2 1994 On the heart of hypergroups. Zbl 0810.20057Corsini, P.; Freni, D. 2 1993 A note on the right scalar identity of a hypergroup of type \(U\) on the right. (Une note sur l’identité scalaire à droite d’un hypergroupe de type \(U\) à droite.) Zbl 0797.20063Freni, Domenico 6 1992 A note on the core of a hypergroup and on the transitive closure \(\beta^*\) of \(\beta\). (Une note sur le coeur d’un hypergroupe et sur la cloture transitive \(\beta^*\) de \(\beta\).) Zbl 0780.20047Freni, Domenico 39 1991 On the hypergroups of type U and sub-hypergroups generated by a subset. (Sur les hypergroupes de type U et sous-hypergroupes engendrés par un sous-ensemble.) Zbl 0673.20040Freni, Domenico 7 1987 Structure des hypergroupes quotients et des hypergroupes de type U. (Structure of quotient hypergroups and of hypergroups of type U). Zbl 0587.20041Freni, Domenico 8 1984 Cyclic semi-hypergroups and hypergroups. Zbl 0567.20051De Salvo, Mario; Freni, Domenico 14 1981 On r-hypergroups and extensions. Zbl 0585.20044Freni, Domenico 1 1981 Cyclic hypergroups and torsion in hypergroups. Zbl 0527.20055Freni, Domenico 1 1980 all cited Publications top 5 cited Publications all top 5 Cited by 98 Authors 70 Davvaz, Bijan 22 Mirvakili, Saeed 17 Freni, Domenico 11 Jafarpour, Morteza 9 De Salvo, Mario 9 Lo Faro, Giovanni 6 Fasino, Dario 6 Heidari, Dariush 6 Hila, Kostaq 6 Tang, Jian 5 Ameri, Reza 5 Cristea, Irina 5 Leoreanu-Fotea, Violeta 5 Mousavi, Seyed Sh. 4 Aghabozorgi, Hossien 4 Dudek, Wiesław Aleksander 4 Ghiasvand, Peyman 4 Gu, Ze 4 Norouzi, Morteza 3 Alp, Murat 3 Karimian, Malek 3 Naka, Krisanthi 3 Pelea, Cosmin 3 Tang, Xilin 3 Xie, Xiang-Yun 2 Changphas, Thawhat 2 Dine, Jani 2 Gutan, Marin 2 Kar, Sukhendu 2 Luo, Yan Feng 2 Modarres Mosadegh, Seyed Mohammad Sadegh 2 Nooranian, M. 2 Purdea, Ioan 2 Sarkar, Paltu 2 Sureau, Yves 2 Vougiouklis, Thomas N. 2 Yaqoob, Naveed 2 Zhan, Jianming 1 Abbasi, Mohammad Yahya 1 Abdullah, Saleem 1 Ahmadi, Alireza 1 Al-Tahan, Madeleine 1 Al-Tahan, Madline Ali 1 Anbarloei, Mahdi 1 Arabpour, Fatemeh 1 Asadi, Ameneh 1 Azhar, Muhammad 1 Bardestani, Fatemeh 1 Basar, Abul 1 Borhani-Nejad, Somaye 1 Chinram, Ronnason 1 Chvalina, Jan 1 Das, Kousik 1 Dehghan-Nezhad, Akbar 1 Dehghan, F. 1 Dehghani, Mohammad Ali 1 Dobarro, Fernando Ruben 1 Fahimi, Najmeh 1 Farshi, Mehdi 1 Feng, Xinyang 1 Ghazavi, S. H. 1 Gulistan, Muhammad 1 Haddad, Labib 1 Hedayati, Hossein 1 Hošková-Mayerová, Šárka 1 Jantani, Fatemeh 1 Jun, Young Bae 1 Kadry, Seifedine 1 Khan, Sabahat Ali 1 Kheradmand, M. R. 1 Kordi, Ali 1 Křehlík, Štěpán 1 Leoreanu, Violeta 1 Madani, Mohamed Arbi 1 Madanshekaf, Ali 1 Maryati, Tita Khalis 1 Nikkhah, Abolfazl 1 Novák, Michal 1 Nozari, Tahereh 1 Pibaljommee, Bundit 1 Pourhaghani, Asieh 1 Rodinò, Nicola 1 Safa, Hesam 1 Sage, Daniel S. 1 Shamsi, Khadijeh 1 Shehu, Lumnije K. 1 Shirvani, Maziar 1 Shojaei, Hossein 1 Singha, Manoranjan 1 Sonea, Andromeda Cristina 1 Stanca, Liana 1 Suebsung, Sudaporn 1 Tahan, M. Al 1 Tan, Zhisong 1 Torabi, Hamid 1 Ünal, Bülent 1 Yonthanthum, Winita 1 Zare, T. all top 5 Cited in 66 Serials 19 Communications in Algebra 10 Journal of Algebra 6 European Journal of Combinatorics 5 Journal of Algebra and its Applications 5 Discrete Mathematics, Algorithms and Applications 4 Filomat 4 Journal of Intelligent and Fuzzy Systems 4 Afrika Matematika 4 Open Mathematics 3 Rendiconti del Circolo Matemàtico di Palermo. Serie II 3 Journal of Discrete Mathematical Sciences & Cryptography 3 Kragujevac Journal of Mathematics 3 Symmetry 3 Journal of Algebraic Systems 2 Annales Mathématiques Blaise Pascal 2 Turkish Journal of Mathematics 2 Boletín de la Sociedad Matemática Mexicana. Third Series 2 Soft Computing 2 Journal of the Indonesian Mathematical Society 2 Asian-European Journal of Mathematics 2 Journal of Mathematical Extension 2 Journal of Mahani Mathematical Research Center 2 Korean Journal of Mathematics 1 Computers & Mathematics with Applications 1 Discrete Mathematics 1 Indian Journal of Pure & Applied Mathematics 1 Mathematical Biosciences 1 Algebra Universalis 1 Annali di Matematica Pura ed Applicata. Serie Quarta 1 Information Sciences 1 International Journal of Mathematics and Mathematical Sciences 1 The Journal of the Indian Mathematical Society. New Series 1 Journal of Number Theory 1 Matematički Vesnik 1 Le Matematiche 1 Quaestiones Mathematicae 1 Acta Applicandae Mathematicae 1 International Journal of Algebra and Computation 1 International Journal of Computer Mathematics 1 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 1 Algebra Colloquium 1 Computational and Applied Mathematics 1 Acta Mathematica et Informatica Universitatis Ostraviensis 1 Communications de la Faculté des Sciences de l’Université d’Ankara. Séries A1. Mathematics and Statistics 1 Acta Mathematica Sinica. English Series 1 Journal of the Korean Society of Mathematical Education. Series B. The Pure and Applied Mathematics 1 Journal of the Australian Mathematical Society 1 Iranian Journal of Science and Technology. Transaction A: Science 1 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 1 Journal of Applied Mathematics and Computing 1 Journal of Multiple-Valued Logic and Soft Computing 1 Boletim da Sociedade Paranaense de Matemática. Terceira Série 1 Mediterranean Journal of Mathematics 1 European Journal of Pure and Applied Mathematics 1 International Journal of Biomathematics 1 Acta Universitatis Sapientiae. Mathematica 1 Iranian Journal of Mathematical Chemistry 1 Arabian Journal for Science and Engineering 1 ISRN Algebra 1 Arabian Journal of Mathematics 1 Annales Mathématiques du Québec 1 Journal of Mathematics 1 International Journal of Analysis and Applications 1 Cogent Mathematics 1 Algebraic Structures and their Applications 1 Cogent Mathematics & Statistics all top 5 Cited in 18 Fields 128 Group theory and generalizations (20-XX) 35 Associative rings and algebras (16-XX) 15 Order, lattices, ordered algebraic structures (06-XX) 10 Combinatorics (05-XX) 7 Category theory; homological algebra (18-XX) 6 General algebraic systems (08-XX) 4 Topological groups, Lie groups (22-XX) 2 Number theory (11-XX) 2 Biology and other natural sciences (92-XX) 1 Mathematical logic and foundations (03-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Nonassociative rings and algebras (17-XX) 1 Partial differential equations (35-XX) 1 Differential geometry (53-XX) 1 Manifolds and cell complexes (57-XX) 1 Optics, electromagnetic theory (78-XX) 1 Relativity and gravitational theory (83-XX) 1 Information and communication theory, circuits (94-XX) Citations by Year