Geodesic
Singularities and Noncommutative Frobenius Manifolds
Trudy Matematicheskogo Instituta imeni V.A. Steklova, Analysis and singularities. Part 2, Tome 259 (2007), pp. 143-155

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We prove that the quaternionic miniversal deformations of an $A_n$ singularity have the structure of a noncommutative Frobenius manifold in the sense of the extended cohomological field theory. 
@article{TM_2007_259_a9,
     author = {S. M. Natanzon},
     title = {Singularities and {Noncommutative} {Frobenius} {Manifolds}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {143--155},
     publisher = {mathdoc},
     volume = {259},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2007_259_a9/}
}
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S. M. Natanzon. Singularities and Noncommutative Frobenius Manifolds. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Analysis and singularities. Part 2, Tome 259 (2007), pp. 143-155. http://geodesic.mathdoc.fr/item/TM_2007_259_a9/