Calabi–Yau manifolds in complex dimension two'' References External links XIIth Geometry Festival, 1997 XIIIth Geometry Festival, 1998 XVIIth Geometry Festival, 2002 XVIIIth Geometry Festival, 2003 XIXth Geometry Festival, 2004 XXth Geometry Festival, 2005 23rd Geometry Festival, 2008 24th Geometry Festival 2009 in memory of Detlef Gromoll 27th Geometry Festival, 2012 29th Geometry Festival, 2014 30th Geometry Festival, 2015 31st Geometry Festival, 2016 32nd Geometry Festival, 2017 33rd Geometry Festival, 2018 34th Geometry Festival, 2019 35th Geometry Festival, 2021 36th Geometry Festival, 2022 Mathematics conferences