Lectures on Orientifolds and Duality
Atish Dabholkar

TL;DR
This paper introduces orientifolds and explores their applications to duality in string theory, providing foundational insights based on lectures from a 1997 summer school.
Contribution
It offers an accessible overview of orientifolds with a focus on their role in duality, bridging foundational concepts with applications.
Findings
Clarifies the role of orientifolds in string dualities
Provides pedagogical explanations suitable for newcomers
Summarizes key applications in particle physics and cosmology
Abstract
This is an introduction to orientifolds with emphasis on applications to duality. Based on lectures given at the 1997 Trieste Summer School on Particle Physics and Cosmology, Italy.
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Taxonomy
TopicsBlack Holes and Theoretical Physics · Homotopy and Cohomology in Algebraic Topology · Mathematics and Applications
