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Limits of tangents of quasi-ordinary hypersurfaces
Authors:
António Araújo and Orlando Neto
Journal:
Proc. Amer. Math. Soc. 141 (2013), 1-11
MSC (2010):
Primary 14B05, 32S05
Posted:
September 10, 2012
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Abstract: We compute explicitly the limits of tangents of a quasi-ordinary singularity in terms of its special monomials. We show that the set of limits of tangents of is essentially a topological invariant of .
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Additional Information
António Araújo
Affiliation:
DCeT, Universidade Aberta, R. Escola Politecnica 141-147, 1269-001 Lisboa, Portugal – and – CMAF, Universidade de Lisboa, Av. Gama Pinto, 2, 1699-003 Lisboa, Portugal
Email:
ant.arj@gmail.com
Orlando Neto
Affiliation:
Departamento de Matemática and CMAF, Faculdade de Ciências da Universidade de Lisboa, Av. Gama Pinto, 2, 1699-003 Lisboa, Portugal
Email:
orlando60@gmail.com
DOI:
http://dx.doi.org/10.1090/S0002-9939-2012-11126-8
PII:
S 0002-9939(2012)11126-8
Received by editor(s):
March 23, 2010
Received by editor(s) in revised form:
March 7, 2011
Posted:
September 10, 2012
Additional Notes:
This research was partially supported by FEDER and FCT-Plurianual 2010.
Communicated by:
Lev Borisov
Article copyright:
© Copyright 2012 American Mathematical Society
The copyright for this article reverts to public domain 28 years after publication.
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