| Date | Speaker | Institution | Title |
| 3 February 2012 |
Stanislav Shkarin |
Queen's University Belfast |
Chaotic Banach algebras |
| 10 February 2012 | Alina Vdovina | Newcastle University | Co-compact actions on buildings and applications |
| 17 February 2012 | Dimitry Rumynin | University of Warwick | Finite G-sets and finite W-algebras |
| 24 February 2012 | Mercedes Siles | University of Malaga | The Taste of Mathematics |
| 2 March 2012 | Stuart McKenzie | Queen's University Belfast | An analogue of Palmer's theorem on Banach lattices |
| 8 March 2012 at 4 pm | Colm Mulcahy | Spelman College, Atlanta | Celebration of Mind: The Mathematics, Magic and Mystery of Martin Gardner |
| 9 March 2012 | Chris Boyd | University College Dublin | Isometries of weighted spaces of holomorphic functions |
| 16 March 2012 | Stefan Kolb | Newcastle University | Coideal subalgebras of quantum groups |
| 23 March 2012 | Grigori Garkusha | University of Swansea | K-motives of algebraic varieties |
| 4 May 2012 | Natalia Iyudu | Queen's University Belfast | On the K-theory of graph C*-algebras |
| 11 May 2012 | Ying-Fen Lin | National Dong Hwa University, Taiwan | Completely bounded disjointness preserving operators on the Fourier algebra |
| 5 October 2012 | Shahn Majid | Queen Mary University of London | Duality for bicovariant differentials on quantum groups |
| 12 October 2012 | Vern Paulsen | Houston University | The Kadison-Singer Problem |
| 19 October 2012 | Matt Daws | Leeds University |
Compact quantum groups from semigroups |
| 26 October 2012 | Vladimir Dotsenko | Trinity College Dublin | A gentle introduction to shuffle operads |
| 2 November 2012 | Stanislav Shkarin | Queen's University Belfast | Orbits of coanalytic Toeplitz operators |
| 9 November 2012 at 3 pm in DBB/02/006 | Uli Kraehmer | Glasgow University | |
| 16 November 2012 | Arnfinn Laudal | University of Oslo | Moduli of representations of associative algebras. Applications to Young-Mills theory and Gauge theory |
| 23 November 2012 |
Tom Brady |
Dublin City University |
Non-crossing partitions and Milnor fibres of braid arrangements |
| 30 November 2012 | Thomas Huettemann | Queen's University Belfast | A strictly combinatorial approach to the algebraic K-theory of projective spaces |
| 7 December 2012 at 2 pm and at 3.30 pm | Andrew Ranicki Samuel James Patterson | Edinburgh University Goettingen University | Cobordism of manifolds with boundary Towards understanding the Kummer phenomenon |
| 14 December 2012 |
Rupert Levene |
University College Dublin |
Idempotent Schur multipliers: mind the gaps |
