Geodesic
Mirror symmetry for exceptional unimodular singularities
Journal of the European Mathematical Society, Tome 19 (2017) no. 4, pp. 1189-1229

Voir la notice de l'article provenant de la source EMS Press

In this paper, we prove the mirror symmetry conjecture between the Saito–Givental theory of exceptional unimodular singularities on the Landau–Ginzburg B-side and the Fan–Jarvis–Ruan–Witten theory of their mirror partners on the Landau–Ginzburg A-side. On the B-side, we develop a perturbative method to compute the genus-0 correlation functions associated to the primitive forms. This is applied to the exceptional unimodular singularities, and we show that the numerical invariants match the orbifold-Grothendieck–Riemann–Roch and WDVV calculations in FJRW theory on the A-side. The coincidence of the full data at all genera is established by reconstruction techniques. Our result establishes the first examples of LG-LG mirror symmetry for weighted homogeneous polynomials of central charge greater than one (i.e. which contain negative degree deformation parameters).
DOI : 10.4171/jems/691
Classification : 14-XX, 53-XX
Keywords: Landau–Ginzburg model, FJRW theory, mirror symmetry, primitive form 
Changzheng Li; Si Li; Kyoji Saito; Yefeng Shen. Mirror symmetry for exceptional unimodular singularities. Journal of the European Mathematical Society, Tome 19 (2017) no. 4, pp. 1189-1229. doi: 10.4171/jems/691
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     author = {Changzheng Li and Si Li and Kyoji Saito and Yefeng Shen},
     title = {Mirror symmetry for exceptional unimodular singularities},
     journal = {Journal of the European Mathematical Society},
     pages = {1189--1229},
     year = {2017},
     volume = {19},
     number = {4},
     doi = {10.4171/jems/691},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/691/}
}
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