Intersection theory and separation exponent in complex analytic geometry

Ewa Cygan

Annales Polonici Mathematici (1998)

  • Volume: 69, Issue: 3, page 287-299
  • ISSN: 0066-2216

Abstract

top
We consider the intersection multiplicity of analytic sets in the general situation. We prove that it is a regular separation exponent for complex analytic sets and so it estimates the Łojasiewicz exponent. We also give some geometric properties of proper projections of analytic sets.

How to cite

top

Ewa Cygan. "Intersection theory and separation exponent in complex analytic geometry." Annales Polonici Mathematici 69.3 (1998): 287-299. <http://eudml.org/doc/270302>.

@article{EwaCygan1998,
abstract = {We consider the intersection multiplicity of analytic sets in the general situation. We prove that it is a regular separation exponent for complex analytic sets and so it estimates the Łojasiewicz exponent. We also give some geometric properties of proper projections of analytic sets.},
author = {Ewa Cygan},
journal = {Annales Polonici Mathematici},
keywords = {multiplicity of proper and improper intersection; exponent of regular separation; intersection multiplicity; Łojasiewicz exponent},
language = {eng},
number = {3},
pages = {287-299},
title = {Intersection theory and separation exponent in complex analytic geometry},
url = {http://eudml.org/doc/270302},
volume = {69},
year = {1998},
}

TY - JOUR
AU - Ewa Cygan
TI - Intersection theory and separation exponent in complex analytic geometry
JO - Annales Polonici Mathematici
PY - 1998
VL - 69
IS - 3
SP - 287
EP - 299
AB - We consider the intersection multiplicity of analytic sets in the general situation. We prove that it is a regular separation exponent for complex analytic sets and so it estimates the Łojasiewicz exponent. We also give some geometric properties of proper projections of analytic sets.
LA - eng
KW - multiplicity of proper and improper intersection; exponent of regular separation; intersection multiplicity; Łojasiewicz exponent
UR - http://eudml.org/doc/270302
ER -

References

top
  1. [ATW] R. Achilles, P. Tworzewski and T. Winiarski, On improper isolated intersection in complex analytic geometry, Ann. Polon. Math. 51 (1990), 21-36. Zbl0796.32006
  2. [Ch] E. M. Chirka, Complex Analytic Sets, Kluwer Acad. Publ., 1989. Zbl0683.32002
  3. [CKT] E. Cygan, T. Krasiński and P. Tworzewski, Separation at infinity and Łojasiewicz exponent of polynomial mappings, preprint IMUJ 1997/22, 1-9. 
  4. [CT] E. Cygan and P. Tworzewski, Proper intersection multiplicity and regular separation of analytic sets, Ann. Polon. Math. 59 (1994), 293-298. Zbl0847.32008
  5. [D] R. Draper, Intersection theory in analytic geometry, Math. Ann. 180 (1969), 175-204. Zbl0157.40502
  6. [JKS] S. Ji, J. Kollár and B. Shiffman, A global Łojasiewicz inequality for algebraic varieties, Trans. Amer. Math. Soc. 329 (1992), 813-818. Zbl0762.14001
  7. [K] J. Kollár, Sharp effective Nullstellensatz, J. Amer. Math. Soc. 1 (1988), 963-975. 
  8. [Ł₁] S. Łojasiewicz, Ensembles semi-analytiques, I.H.E.S., Bures-sur-Yvette, 1965. 
  9. [Ł₂] S. Łojasiewicz, Introduction to Complex Analytic Geometry, Birkhäuser, Basel, 1991. 
  10. [Ł₃] S. Łojasiewicz, Sur la séparation régulière, Univ. Studi Bologna Sem. Geom. 1985, 119-121. 
  11. [T₁] P. Tworzewski, Intersection of analytic sets with linear subspaces, Ann. Scuola Norm. Sup. Pisa (4) 17 (1990), 227-271. 
  12. [T₂] P. Tworzewski, Intersection theory in complex analytic geometry, Ann. Polon. Math. 62 (1995), 177-191. Zbl0911.32018
  13. [T₃] P. Tworzewski, Isolated intersection multiplicity and regular separation of analytic sets, Ann. Polon. Math. 58 (1993), 213-219. Zbl0784.32005
  14. [TW₁] P. Tworzewski and T. Winiarski, Analytic sets with proper projections, J. Reine Angew. Math. 337 (1982), 68-76. Zbl0497.32024
  15. [TW₂] P. Tworzewski and T. Winiarski, Cycles of zeroes of holomorphic mappings, Bull. Polish Acad. Sci. Math. 37 (1989), 95-101. Zbl0759.32015
  16. [W] T. Winiarski, Continuity of total number of intersection, Ann. Polon. Math. 47 (1986), 155-178. Zbl0638.32011

NotesEmbed ?

top

You must be logged in to post comments.

To embed these notes on your page include the following JavaScript code on your page where you want the notes to appear.

Only the controls for the widget will be shown in your chosen language. Notes will be shown in their authored language.

Tells the widget how many notes to show per page. You can cycle through additional notes using the next and previous controls.

    
                

Note: Best practice suggests putting the JavaScript code just before the closing </body> tag.