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math-ph2025

Degenerate and irregular topological recursion

Alexander Alexandrov, Boris Bychkov, Petr Dunin-Barkowski +2

We use the theory of duality to propose a new definition / construction for the correlation differentials of topological recursion; we call it "generalized topological recurs…

math-ph2025

KP integrability through the swap relation

Alexander Alexandrov, Boris Bychkov, Petr Dunin-Barkowski +2

We discuss a universal relation that we call the swap relation, which plays a prominent role in the theory of topological recursion, Hurwitz theory, and free probability theo…

math-ph2025

Blobbed topological recursion and KP integrability

Alexander Alexandrov, Boris Bychkov, Petr Dunin-Barkowski +2

We revise the notion of the blobbed topological recursion by extending it to the setting of generalized topological recursion as well as allowing blobs which do not necessarily adm…

math-ph2025

Log topological recursion through the prism of swap

Alexander Alexandrov, Boris Bychkov, Petr Dunin-Barkowski +2

We introduce a new concept of logarithmic topological recursion that provides a patch to topological recursion in the presence of logarithmic singularities and prove that this new…

math-ph2025

Topological recursion, symplectic duality, and generalized fully simple maps

Alexander Alexandrov, Boris Bychkov, Petr Dunin-Barkowski +2

For a given spectral curve, we construct a family of symplectic dual spectral curves for which we prove an explicit formula expressing the -point functions produced by the topol…