Authors: Kausar, Nasreen¹ kausar.nasreen57@gmail.com, Munir, Mohammad², Anitha, K.³

Superior Title: Advanced Mathematical Models & Applications. 2020, Vol. 5 Issue 3, p307-312. 6p.

Subject Terms: *GROUPOIDS, *GROUP theory, *COMMUTATIVE algebra, *ABELIAN groups, *SEMIGROUPS (Algebra)

Authors: Izhar, Muhammad¹ mizharmath@gmail.com, Khan, Asghar¹, Mahmood, Tariq²

Superior Title: Journal of Intelligent & Fuzzy Systems. 2018, Vol. 35 Issue 6, p6313-6327. 15p.

Subject Terms: *COMPUTER algorithms, GROUPOIDS, SET theory, SEMIGROUPS (Algebra), FUZZY sets

Authors: Muhammed, P. A. Azeef¹ azeefp@gmail.com, Volkov, M. V.¹ mikhail.volkov@usu.ru

Superior Title: Acta Mathematica Hungarica. Feb2019, Vol. 157 Issue 1, p80-120. 41p.

Subject Terms: *GROUPOIDS, *SEMIGROUPS (Algebra), *CATEGORIES (Mathematics), *IDEALS (Algebra), *REPRESENTATION theory

Authors: KEHAYOPULU, Niovi nkehayop@math.uoa.gr

Superior Title: Turkish Journal of Mathematics. 2019, Vol. 43 Issue 1, p21-35. 15p.

Subject Terms: *SEMIGROUPS (Algebra), *GROUPOIDS, *SUBSET selection, *HYPOTHESIS, *IDEMPOTENTS

Authors: Kehayopulu, Niovi¹ nkehayop@math.uoa.gr

Superior Title: Armenian Journal of Mathematics. 2018, Vol. 10 Issue 3, p1-10. 10p.

Subject Terms: *GROUPOIDS, *FUZZY mathematics, *SEMIGROUPS (Algebra)

Authors: Yong Hua Li¹ liyh@scnu.edu.cn, Hai Bin Kan² hbkan@fudan.edu.cn, Bing Jun Yu³ yubingjun@hotmail.com

Superior Title: Acta Mathematica Sinica. Jun2004, Vol. 20 Issue 3, p569-576. 8p.

Subject Terms: *SEMIGROUPS (Algebra), *GROUPOIDS, *GROUP theory, *IDEMPOTENTS, *HOMOMORPHISMS, *AXIOMS, *FOUNDATIONS of geometry, *GEOMETRIC congruences

Authors: Kim, Hee Sik, Neggers, J., Ahn, Sun Shin

Superior Title: AIMS Mathematics (2473-6988); Sep2022, Vol. 7 Issue 9, p16907-16916, 10p

Subject Terms: GROUPOIDS, SEMIGROUPS (Algebra), GENERALIZATION, MATHEMATICAL mappings, MATHEMATICAL models

Authors: Steinberg, Benjamin¹ bsteinberg@ccny.cuny.edu

Superior Title: Journal of Pure & Applied Algebra. Jun2019, Vol. 223 Issue 6, p2474-2488. 15p.

Subject Terms: *GROUPOIDS, *SEMIGROUPS (Algebra), *TOPOLOGY, *GEOMETRIC connections, *RING theory

Authors: Romano, Daniel Abraham¹ bato49@hotmail.com

Superior Title: Quasigroups & Related Systems. 2018, Vol. 26 Issue 2, p299-308. 10p.

Subject Terms: *GROUPOIDS, *SEMIGROUPS (Algebra), *INTUITIONISTIC mathematics, *CONSTRUCTIVE mathematics, *ORDERED algebraic structures

Authors: Alyamani, Nouf¹ naalyamani@uod.edu.sa, Gilbert, N. D.² N.D.Gilbert@hw.ac.uk

Superior Title: Semigroup Forum. Jun2018, Vol. 96 Issue 3, p506-522. 17p.

Subject Terms: *GROUPOIDS, *QUOTIENT rings, *SEMIGROUPS (Algebra), *MATHEMATICAL equivalence, *NUMERICAL analysis

Authors: Kausar, Nasreen, Munir, M., Kousar, Sajida, Gulistan, M., Anitha, K.

Superior Title: Fuzzy Information & Engineering (Taylor & Francis Ltd); Dec2020, Vol. 12 Issue 4, p490-508, 19p

Subject Terms: SEMIGROUPS (Algebra), GROUP theory, GROUPOIDS, COMMUTATIVE algebra, LIE groupoids

Authors: RENAULT, JEAN N.¹ jean.renault@univ-orleans.fr, WILLIAMS, DANA P.² dana.williams@Dartmouth.edu

Superior Title: Transactions of the American Mathematical Society. Apr2017, Vol. 369 Issue 4, p2255-2283. 29p.

Subject Terms: *GROUPOIDS, *SEMIGROUPS (Algebra), *TOPOLOGICAL graph theory, *KERNEL functions, *DIRECTED graphs

Authors: Allen, P.¹ pjallen@ua.edu, Kim, Hee² heekim@hanyang.ac.kr, Neggers, J.¹ jneggers@ua.edu

Superior Title: SpringerPlus. 10/4/2016, Vol. 5 Issue 1, p1-11. 11p.

Subject Terms: *GROUPOIDS, *SEMIGROUPS (Algebra), *ASSOCIATIVE law (Mathematics), *HOMOMORPHISMS, *MATHEMATICAL constants

Authors: Shabani, A. R., Shamalizade, M. A.

Superior Title: Caspian Journal of Mathematical Sciences; 2021, Vol. 10 Issue 1, p77-84, 8p

Subject Terms: GROUPOIDS, SEMIGROUPS (Algebra), SEMILATTICES, PRIME numbers, IDEALS (Algebra)

Authors: Khan, Waqar^1,2 waqar@mail.ustc.edu.cn, Yousafzai, Faisal¹ yousafzaimath@yahoo.com, Ping Shum, Kar³ kpshum@ynu.edu.cn

Superior Title: Quasigroups & Related Systems. 2016, Vol. 24 Issue 1, p33-42. 10p.

Subject Terms: *GROUPOIDS, *SEMIGROUPS (Algebra), *COMMUTATIVE law (Mathematics), *ENTROPIC uncertainty, *ALGEBRA

Authors: Hollings, Christopher¹

Superior Title: European Journal of Pure & Applied Mathematics. 2015, Vol. 8 Issue 3, p294-323. 30p. 2 Diagrams.

Subject Terms: *SEMIGROUPS (Algebra), *GROUPOIDS, *INVERSE semigroups, *UNITARY groups, *IDEMPOTENTS

People: EHRESMANN, Charles

Authors: HILA, KOSTAQ¹ kostaq_hila@yahoo.com, DINE, JANI¹ jani_dine@yahoo.com

Superior Title: Miskolc Mathematical Notes. 2014, Vol. 15 Issue 2, p489-496. 8p.

Subject Terms: *GROUP theory, *GROUPOIDS, *SEMIGROUPS (Algebra), *EQUIVALENCE relations (Set theory), *LAMMA language

Authors: Ahmad, Imtiaz, Saif-ur-Rahman, Iqbal, Muhammad, Amanullah

Superior Title: Punjab University Journal of Mathematics; 2020, Vol. 52 Issue 1, p47-63, 17p

Subject Terms: ABELIAN semigroups, SEMIGROUPS (Algebra), GROUPOIDS, COMMUTATIVE algebra, GROUP theory

Authors: Khan, Muhammad, Ahmad, Imtiaz, Iqbal, Muhammad, Rashad, Muhammad, Amanullah

Superior Title: Punjab University Journal of Mathematics; 2019, Vol. 51 Issue 12, p71-93, 23p

Subject Terms: GROUPOIDS, SEMIGROUPS (Algebra), MONOIDS, ABELIAN groups, ORDERED algebraic structures

Authors: Boykett, Tim^1,2 tim.boykett@jku.at

Superior Title: Discrete Mathematics. Jul2013, Vol. 313 Issue 13, p1409-1418. 10p.

Subject Terms: *GROUPOIDS, *GROUP theory, *GENERALIZATION, *SEMIGROUPS (Algebra), *MATRICES (Mathematics), *AUTOMORPHISMS, *CAYLEY graphs