On the Irregularity of the Image of the Iitaka Fibration

Jungkai A. Chen Department of Mathematics, National Chung Cheng University, Ming Hsiung, Chia Yi, Taiwan; Department of Mathematics, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei, 106, TaiwanCorrespondence[email protected]

Christopher D. Hacon Department of Mathematics, University of California, Riverside, USA

Abstract

We characterize the irregularity of the image of the Iitaka fibration in terms of the dimension of certain cohomological support loci.

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Acknowledgment

The second author would like to thank R. Pardini for valuable conversations.

Notes

^#Communicated by L. Ein.

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On the Irregularity of the Image of the Iitaka Fibration

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Notes

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