2013-05-312013-05-312012Andreas, B. & Hoffmann, N. (2012), 'New Examples of Stable Bundles on Calabi-Yau Threefolds', International Mathematics Research Notices, published online June 20, 2012, doi:10.1093/imrn/rns132 .http://hdl.handle.net/10395/1921In this paper we present a construction of stable bundles on Calabi-Yau threefolds using the method of bundle extensions. This construction applies to any given Calabi-Yau threefold with h1 , 1 > 1. We give examples of stable bundles of rank 2 and 4 constructed out of pure geometric data of the given Calabi-Yau space. As an application, we find that some of these bundles satisfy the physical constraint imposed by heterotic string anomaly cancellation.engThis is a pre-copy-editing, author-produced PDF of an article accepted for publication in (IMRN) International Mathematics Research Notices (2012) following peer review. The definitive publisher-authenticated version -Andreas, B. & Hoffmann, N. (2012), 'New Examples of Stable Bundles on Calabi-Yau Threefolds', International Mathematics Research Notices, published online June 20, 2012, doi:10.1093/imrn/rns132 . is available online at: http://dx.doi.org/10.1093/imrn/rns132Stable bundlesCalabi-Yau threefoldsArticlehttp://dx.doi.org/10.1093/imrn/rns132