TY - CONF A1 - Flarup Hansen, Uffe A1 - Meer, Klaus A2 - Calude, Cristian T1 - Approximation classes for real number optimization problems T2 - Extended abstract, 5th International conference on Unconventional Computation, York, UK, September 4-8, 2006 Y1 - 2009 UR - https://opus4.kobv.de/opus4-UBICO/frontdoor/index/index/docId/4157 SN - 978-3-540-38593-6 SP - 86 EP - 100 PB - Springer CY - Berlin ER -