Abstract
The authors describe the relationships between categories of B-branes in different phases of the non-Abelian gauged linear sigma model. The relationship is described explicitly for the model proposed by Hori and Tong with non-Abelian gauge group that connects two non-birational Calabi-Yau varieties studied by Rødland. A grade restriction rule for this model is derived using the hemisphere partition function and it is used to map B-type D-branes between the two Calabi-Yau varieties.
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Acknowledgement
We would like to thank professor Ruan for hosting the workshop “non-Abelian GLSM” and encouraging us to submit these proceedings.
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Eager, R., Hori, K., Knapp, J. et al. Beijing lectures on the grade restriction rule. Chin. Ann. Math. Ser. B 38, 901–912 (2017). https://doi.org/10.1007/s11401-017-1103-8
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DOI: https://doi.org/10.1007/s11401-017-1103-8