What question did this study set out to answer?

The research aims to construct configurations of various 10-dimensional string theories connected at 9-dimensional junctions.

The art of branching: Cobordism junctions of 10d string theories

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Randomized trial demonstrates cobordism construction in string theories, suggesting novel dynamical realizations.

The research aims to construct configurations of various 10-dimensional string theories connected at 9-dimensional junctions.
Exploration of cobordism configurations among multiple 10D string theories.
Microscopic worldsheet description using generalized RG flow interpolations.
Construction of explicit junction examples, including chiral theories and orientifolds.
The configurations show a branching transition at a junction point where additional degrees of freedom become relevant.
Explicit examples demonstrate junctions of 10D heterotic and type II theories, including a notable 4-branch junction.
Chiral fields flow effectively between different branches in several configurations.

Altavista et al. (2026) studied this question.

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