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An Abundance of K3 Fibrations from Polyhedra with Interchangeable Parts

Abstract:
Even a cursory inspection of the Hodge plot associated with Calabi-Yau threefolds that are hypersurfaces in toric varieties reveals striking structures. These patterns correspond to webs of elliptic-K3 fibrations whose mirror images are also elliptic-K3 fibrations. Such manifolds arise from reflexive polytopes that can be cut into two parts along slices corresponding to the K3 fibers. Any two half-polytopes over a given slice can be combined into a reflexive polytope. This fact, together with a remarkable relation on the additivity of Hodge numbers, explains much of the structure of the observed patterns.
Publication status:
Published

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Publisher copy:
10.1007/s00220-013-1802-2

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Mathematical Institute
Role:
Author


Journal:
Commun.Math.Phys. More from this journal
Volume:
324
Issue:
3
Pages:
937-959
Publication date:
2012-07-19
DOI:
EISSN:
1432-0916
ISSN:
0010-3616


Keywords:
Pubs id:
pubs:344410
UUID:
uuid:3ebbb82e-a353-4a0c-89f2-6dde1b3b572c
Local pid:
pubs:344410
Source identifiers:
344410
Deposit date:
2013-11-16

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