Issues of Heterotic (0,2) Compactifications
Ralph Blumenhagen

TL;DR
This paper reviews key aspects of heterotic (0,2) compactifications using superconformal field theories and gauged linear sigma models, highlighting their theoretical framework and challenges.
Contribution
It provides an overview of heterotic (0,2) compactifications focusing on exactly solvable models and their theoretical implications.
Findings
Summarizes the role of superconformal field theories in heterotic (0,2) compactifications
Discusses the application of gauged linear sigma models in this context
Highlights issues and challenges in the current understanding
Abstract
A brief review of some aspects of heterotic (0,2) compactifications in the framework of exactly solvable superconformal field theories and gauged linear sigma models is presented.
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