Fiberwise Gromov-Witten theory, quantum spectra of flag bundles, and prime factorization of integers
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arXiv
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866911195522400256 |
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| author | Cotti, Giordano |
| author_facet | Cotti, Giordano |
| contents | This work investigates the vertical quantum cohomology and quantum spectra of flag bundles, uncovering new links between the Gromov-Witten theory of homogeneous fibrations and analytic number theory. Building on previous constructions by Astashkevich and Sadov (arXiv:hep-th/9401103) and by Biswas, Das, Oh, and Paul (arXiv:2408.06616), we establish functorial and inductive properties of vertical quantum cohomology, and relate the vertical and absolute quantum spectra. We show that the degeneracy of the small vertical quantum spectrum of a Grassmann bundle - namely, the appearance of eigenvalues with unexpectedly high multiplicities - is controlled by the prime factorization of the involved ranks. This extends earlier results for Grassmannians to the relative setting and applies, in particular, to partial flag varieties viewed as total spaces of Grassmann bundles.
We then introduce three families of double sequences that classify partial flag varieties according to distinct quantum spectral and combinatorial features. Their recursive and arithmetic behavior is studied through ordinary and Dirichlet generating functions. One of these sequences satisfies a Pascal-type recursion, allowing a precise analysis of its partial Dirichlet series, whose analytic continuation exhibits logarithmic singularities determined by the nontrivial zeros of the Riemann zeta function. Moreover, for any fixed integer shift, the diagonal subsequences display eventual polynomial behavior, which admits a natural interpretation in terms of weighted walks on graphs. Finally, we examine the vanishing pattern of one of these sequences and derive equivalent formulations of Goldbach's conjecture.
Overall, the paper reveals a rich correspondence between enumerative geometry, quantum spectral degeneracy, and classical problems in prime number theory. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_05500 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Fiberwise Gromov-Witten theory, quantum spectra of flag bundles, and prime factorization of integers Cotti, Giordano Algebraic Geometry Differential Geometry Number Theory 53D45, 11N99 This work investigates the vertical quantum cohomology and quantum spectra of flag bundles, uncovering new links between the Gromov-Witten theory of homogeneous fibrations and analytic number theory. Building on previous constructions by Astashkevich and Sadov (arXiv:hep-th/9401103) and by Biswas, Das, Oh, and Paul (arXiv:2408.06616), we establish functorial and inductive properties of vertical quantum cohomology, and relate the vertical and absolute quantum spectra. We show that the degeneracy of the small vertical quantum spectrum of a Grassmann bundle - namely, the appearance of eigenvalues with unexpectedly high multiplicities - is controlled by the prime factorization of the involved ranks. This extends earlier results for Grassmannians to the relative setting and applies, in particular, to partial flag varieties viewed as total spaces of Grassmann bundles. We then introduce three families of double sequences that classify partial flag varieties according to distinct quantum spectral and combinatorial features. Their recursive and arithmetic behavior is studied through ordinary and Dirichlet generating functions. One of these sequences satisfies a Pascal-type recursion, allowing a precise analysis of its partial Dirichlet series, whose analytic continuation exhibits logarithmic singularities determined by the nontrivial zeros of the Riemann zeta function. Moreover, for any fixed integer shift, the diagonal subsequences display eventual polynomial behavior, which admits a natural interpretation in terms of weighted walks on graphs. Finally, we examine the vanishing pattern of one of these sequences and derive equivalent formulations of Goldbach's conjecture. Overall, the paper reveals a rich correspondence between enumerative geometry, quantum spectral degeneracy, and classical problems in prime number theory. |
| title | Fiberwise Gromov-Witten theory, quantum spectra of flag bundles, and prime factorization of integers |
| topic | Algebraic Geometry Differential Geometry Number Theory 53D45, 11N99 |
| url | https://arxiv.org/abs/2510.05500 |