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| Format: | Preprint |
| Published: |
2024
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| Online Access: | https://arxiv.org/abs/2402.09574 |
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| _version_ | 1866916768046383104 |
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| author | Almeida, Guilherme F. |
| author_facet | Almeida, Guilherme F. |
| contents | Using the inverse period map of the Gauss-Manin connection associated with $QH^{*}\bigl(\mathbb{CP}^2\bigr)$ and the Dubrovin construction of Landau-Ginzburg superpotential for Dubrovin-Frobenius manifolds, we construct a one-dimensional Landau-Ginzburg superpotential for the quantum cohomology of $\mathbb{CP}^2$. In the case of small quantum cohomology, the Landau-Ginzburg superpotential is expressed in terms of the cubic root of the $j$-invariant function. For big quantum cohomology, the one-dimensional Landau-Ginzburg superpotential is given by Taylor series expansions whose coefficients are expressed in terms of quasi-modular forms. Furthermore, we express the Landau-Ginzburg superpotential for both small and big quantum cohomology of $QH^{*}\bigl(\mathbb{CP}^2\bigr)$ in closed form as the composition of the Weierstrass $\wp$-function and the universal coverings of $\mathbb{C} \setminus \bigl(\mathbb{Z} \oplus {\rm e}^{\frac{π{\rm i}}{3}}\mathbb{Z}\bigr)$ and $\mathbb{C} \setminus (\mathbb{Z} \oplus z\mathbb{Z})$, respectively. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_09574 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | 1D Landau-Ginzburg Superpotential of Big Quantum Cohomology of $\mathbb{CP}^2$ Almeida, Guilherme F. Mathematical Physics Using the inverse period map of the Gauss-Manin connection associated with $QH^{*}\bigl(\mathbb{CP}^2\bigr)$ and the Dubrovin construction of Landau-Ginzburg superpotential for Dubrovin-Frobenius manifolds, we construct a one-dimensional Landau-Ginzburg superpotential for the quantum cohomology of $\mathbb{CP}^2$. In the case of small quantum cohomology, the Landau-Ginzburg superpotential is expressed in terms of the cubic root of the $j$-invariant function. For big quantum cohomology, the one-dimensional Landau-Ginzburg superpotential is given by Taylor series expansions whose coefficients are expressed in terms of quasi-modular forms. Furthermore, we express the Landau-Ginzburg superpotential for both small and big quantum cohomology of $QH^{*}\bigl(\mathbb{CP}^2\bigr)$ in closed form as the composition of the Weierstrass $\wp$-function and the universal coverings of $\mathbb{C} \setminus \bigl(\mathbb{Z} \oplus {\rm e}^{\frac{π{\rm i}}{3}}\mathbb{Z}\bigr)$ and $\mathbb{C} \setminus (\mathbb{Z} \oplus z\mathbb{Z})$, respectively. |
| title | 1D Landau-Ginzburg Superpotential of Big Quantum Cohomology of $\mathbb{CP}^2$ |
| topic | Mathematical Physics |
| url | https://arxiv.org/abs/2402.09574 |