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Computations on
cobordism groups of projected immersions
András Csépai |
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Algebraic & Geometric Topology 25 (2025) 2441–2449
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Abstract |
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We use a classifying space construction by Szűcs and Terpai to extend Salomonsen’s exact sequence from cobordism groups of immersions to cobordism groups of hyperplane projections of immersions with prescribed singularities. We apply this to obtain results on these cobordism groups in small and large codimensional cases. |
Keywords
projected immersion, cobordism of singular maps
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Mathematical Subject Classification
Primary: 57R90
Secondary: 57R42, 57R45
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References |
Publication
Received: 30 October 2023
Accepted: 5 June 2024
Published: 11 August 2025
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Authors |
| András Csépai | |
| Institute of Mathematics Eötvös Loránd University Budapest Hungary |
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| © 2025 MSP (Mathematical Sciences Publishers). Distributed under the Creative Commons Attribution License 4.0 (CC BY). |
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