The formal proceedings of NMF 2011 will be published in book form by Springer Verlag in the series entitled: Springer Proceedings in Mathematics. The working title of the book is:"Topics in Numerical Methods for Finance: With Special Emphasis on Energy-Commodities-Risk Management and Credit Derivatives-Credit Risk Modelling-Liquidity". Note that acceptance of a paper for presentation at the conference does not guarantee its publication in the Proceedings. Papers submitted to the Proceedings will undergo a further refereeing process in order to maintain a high standard.