Are there any contexts in which we can say with certainity that the connected sum of two special holonomy manifolds (eg Kahler, Calabi-Yau, G2...) has the same holonomy group? I would also be interested in such results for weaker structures such as complex structures or torsion-free G-Structures
2026-03-27 08:46:53.1774601213
Connected Sum and Special Holonomy
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