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arxiv: math/0611762 · v2 · submitted 2006-11-24 · 🧮 math.AG · hep-th

Stable bundle extensions on elliptic Calabi-Yau threefolds

classification 🧮 math.AG hep-th
keywords bundlecalabi-yauextensionsstablethreefoldsanomalybackgroundbundles
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We construct stable bundle extensions on elliptically fibered Calabi-Yau threefolds. We show that these bundles can solve the topological anomaly constraint in heterotic string theory without the need of invoking background fivebranes.

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