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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2503.22323 |
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| _version_ | 1866915438873542656 |
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| author | Kubo, Toshihisa Ørsted, Bent |
| author_facet | Kubo, Toshihisa Ørsted, Bent |
| contents | The main objective of this paper is twofold. One is to classify and construct $SL(3,\mathbb{R})$-intertwining differential operators between vector bundles over the real projective space $\mathbb{RP}^2$. It turns out that two kinds of operators appear. We call them Cartan operators and PRV operators. The second objective is then to study the representations realized on the kernel of those operators both in the smooth and holomorphic setting. A key machinery is the BGG resolution. In particular, by exploiting some results of Davidson-Enright-Stanke and Enright-Joseph, the irreducible unitary highest weight modules of $SU(1,2)$ at the (first) reduction points are classified by the image of Cartan operators and kernel of PRV operators. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_22323 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | On the intertwining differential operators between vector bundles over the real projective space of dimension two Kubo, Toshihisa Ørsted, Bent Representation Theory Differential Geometry 22E46, 17B10 The main objective of this paper is twofold. One is to classify and construct $SL(3,\mathbb{R})$-intertwining differential operators between vector bundles over the real projective space $\mathbb{RP}^2$. It turns out that two kinds of operators appear. We call them Cartan operators and PRV operators. The second objective is then to study the representations realized on the kernel of those operators both in the smooth and holomorphic setting. A key machinery is the BGG resolution. In particular, by exploiting some results of Davidson-Enright-Stanke and Enright-Joseph, the irreducible unitary highest weight modules of $SU(1,2)$ at the (first) reduction points are classified by the image of Cartan operators and kernel of PRV operators. |
| title | On the intertwining differential operators between vector bundles over the real projective space of dimension two |
| topic | Representation Theory Differential Geometry 22E46, 17B10 |
| url | https://arxiv.org/abs/2503.22323 |