Titlebook: An Introduction to Two-Dimensional Quantum Field Theory with (0,2) Supersymmetry; Ilarion V. Melnikov Book 2019 Springer Nature Switzerlan

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Gauged Linear Sigma Models,s, as well as some of the key (0,2) puzzles that still remain but are greatly informed by the linear point of view. Along the way we will present a review of some toric geometry that is essential in linear sigma model exploration.

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Conformalities,sentations. We also discuss additional global symmetries and constraints from unitarity and compactness. These are probably familiar to many readers, but we introduce them here as a reminder and for later reference; the emphasis is on the results and perspective most relevant for (0,2) exploration.

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Heterotic Non-linear Sigma Models,xplorations we mainly stick to the theories relevant to compactifications of the heterotic string. To elucidate the geometric structures it turns out easiest to start with (0,1) supersymmetry. The reader may find it useful to skim through the geometry appendix before diving into the details of this

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Gauged Linear Sigma Models,ter provide a surprisingly unified framework for most of these. We will now define these theories and describe a number of linear sigma model successes, as well as some of the key (0,2) puzzles that still remain but are greatly informed by the linear point of view. Along the way we will present a re

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Long-Term Crisis Climate Change,U-specific solutions. Driven by the Ukraine war, the EU is facing a reform of the internal energy market that curbs dependence on Russian oil and gas in the short term and takes into account the Paris climate goals in the long term.