Geodesic
Rational homology ribbon cobordism is a partial order
Friedl, Stefan1 ; Misev, Filip1 ; Zentner, Raphael1
1Fakultät für Mathematik, Universität Regensburg, Regensburg, Germany
Algebraic and Geometric Topology, Tome 25 (2025) no. 1, pp. 245-253
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We show that ribbon rational homology cobordism is a partial order within the class of irreducible 3-manifolds. This makes essential use of the methods recently employed by Ian Agol to show that ribbon knot concordance is a partial order.

DOI : 10.2140/agt.2025.25.245
Keywords: ribbon cobordism, ribbon homology, representation varieties, 3-manifolds

Friedl, Stefan  1   ; Misev, Filip  1   ; Zentner, Raphael  1

1 Fakultät für Mathematik, Universität Regensburg, Regensburg, Germany 
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Friedl, Stefan; Misev, Filip; Zentner, Raphael. Rational homology ribbon cobordism is a partial order. Algebraic and Geometric Topology, Tome 25 (2025) no. 1, pp. 245-253. doi: 10.2140/agt.2025.25.245

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