J J O'Connor Publications
- (with E F Robertson, J Laimes, J Escobar, D Pareja) Mathematical obituary: Leopoldo Nachbin (1922-1993), Ricardo Mañé (1948-1995), Morris Kline (1908-1992), John C. Burkill (1900-1993). (Spanish) Lect. Mat. 16 (1995), no. 2, 217-229
- (with E F Robertson, D Pareja, F Zalamea, J Charris) Mathematical obituary: James Stoker (1905-1992), Halsey Royden (1928-1993), Alonzo Church (1903-1995), S. Chandrasekhar (1910-1995), Bartel van der Waerden (1903 1996). (Spanish) Lect. Mat. 17 (1996), no. 1, 77-91.
- (with H Ayik, C M Campbell, N Ruškuc) Minimal presentations and efficiency of semigroups, Semigroup Forum 60 (2000), 231-242.
- (with H Ayik, C M Campbell, N Ruškuc) On the efficiency of wreath products of groups, Proc. Groups Korea '98, Walter de Gruyter, (Berlin New York, 2000), 39-51.
- (with H Ayik, C M Campbell, N Ruškuc) The semigroup efficiency of groups and monoids, Proc. Roy. Irish Acad. Sect. A 100A (2000), 171-176.
- (with H Ayik, C M Campbell, N Ruškuc) On the efficiency of finite simple semigroups, Turkish J. Math. 24 (2000), 129-146.
- (with H Ayik, C M Campbell, N Ruškuc) The semigroup efficiency of direct powers of groups, Proc. Internat. Conf. on Semigroups, Braga, Portugal 18-23 June 1999, World Scientific, (Singapore, 2000), 19-25.
- (with E F Robertson) William Rowan Hamilton 1805-1865, Physicists of Ireland : Passion and Precision, Institute of Physics (2002), 61-68.
- (with E F Robertson) George Francis FitzGerald 1851-1901, Physicists of Ireland : Passion and Precision, Institute of Physics (2002), 135-142.
- (with E F Robertson), The life of Johann Benedict Listing, Strabismus 11 (4) (2003), 247-250.
- (with E F Robertson), Lars Valerian Ahlfors, in Michael Atiyah and Daniel Iagolnitzer (eds.), Fields Medallists' lectures (World Scientific Publishing Co., Inc., River Edge, NJ, 2003), 3-4.
- (with E F Robertson) William Ernest Johnson, in Biographical Dictionary of British Economists, Rutherford D (ed). Thoemmes Continuum (2004).
- (with E F Robertson) Isaac Barrow, Biographical Dictionary of British Economists (2004).
- (with E F Robertson) William Ernest Johnson, Biographical Dictionary of British Economists (2004).
- (with E F Robertson) Obituary David Allan Spence January 3, 1926 - September 7, 2003, Austral. Math. Soc. Gaz. 31 (1) (2004), 58-59.
- (with E F Robertson) Knots and Physics in 19th Century Scotland, Proceedings of the 3rd Conference on the History of Mathematics, OCTOGON Mathematical Magazine (Fulgur Publisher, Miskolc-Brasso-Kronstadt-Brasov, 2005), 108-115
- (with E F Robertson) Ten years of the History of Mathematics on the Web, Proceedings of the 3rd Conference on the History of Mathematics, OCTOGON Mathematical Magazine (Fulgur Publisher, Miskolc-Brasso-Kronstadt-Brasov, 2005), 102-107.
- (with E F Robertson) Augustin Jean Fresnel, Encyclopedia of 19th Century Photography; John Hannavy (ed); Routledge, 2006.
- (with E F Robertson) Hermann Ludwig Ferdinand von Helmholtz, Encyclopedia of 19th Century Photography; John Hannavy (ed); Routledge, 2006.
- (with H Ayik, C M Campbell) On the efficiency of the direct products of monogenic monoids, Algebra Colloq. 14 (2007), 279-284.
- (with K J Falconer) Symmetry and enumeration of self-similar fractals; Bull. London Math. Soc. 39 (2007), 272-282.
- (with E F Robertson) L'Infini dans l'Histoire, in Henri Lombardi, Épistémologie Mathématique (Ellipses, 2011), 80-88.
- (with E F Robertson) Une chronologie de scientifiques, in Henri Lombardi, Épistémologie Mathématique (Ellipses, 2011), 181-188.
- (with A D D Craik) Some unknown documents associated with William Wallace (1768-1843). BSHM Bull. 26 (2011), no. 1, 17-28
- (with E F Robertson, V Kiryakova, D Nemzer) Editorial: FCAA related events and 100th anniversary of the birth of Jan Mikusiński (FCAA-volume 16-4-2013). Fract. Calc. Appl. Anal. 16 (2013), no. 4, 765-776
- (with E F Robertson) The life of Eugène Charles Catalan (1814 to 1894). Bull. Inst. Combin. Appl. 71 (2014), 9-20.