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Topology of Real Singularities

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Singularities and Foliations. Geometry, Topology and Applications (NBMS 2015, BMMS 2015)

Part of the book series: Springer Proceedings in Mathematics & Statistics ((PROMS,volume 222))

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Abstract

In this mini-course, we study the topology of real singularities. After recalling basic notions and classical results of differential topology, we present formulas for topological invariants of semi-analytic or semi-algebraic sets due to several authors.

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References

  1. Arnold, V.I., Gusein-Zade, S.M., Varchenko, A.N.: Singularities of Differentiable Maps, vol. 1. Birkhauser, Boston (1988)

    Google Scholar 

  2. Arnol’d, V.I.: Index of a singular point of a vector field, the Petrovski-Oleinik inequality, and mixed Hodge structures. Funct. Anal. Appl. 12, 1–14 (1978)

    Article  MathSciNet  MATH  Google Scholar 

  3. Becker, E., Woermann, T.: On the trace formula for quadratic forms. Recent Advances in Real Algebraic Geometry and Quadratic Forms (Berkeley, CA, 1990/1991; San Francisco, CA, 1991). Contemporary Mathematics, vol. 155, pp. 271–291. American Mathematical Society, Providence (1994)

    Google Scholar 

  4. Becker, E., Cardinal, J.P., Roy, M.F., Szafraniec, S.: Multivariate Bezoutians, Kronecker symbol and Eisenbud and Levine formula. Algorithms in Algebraic Geometry and Applications. Progress in Mathematics, vol. 143, pp. 79–104. Birkhauser, Boston (1996)

    Google Scholar 

  5. Bekka, K.: Regular stratification of subanalytic sets. Bull. Lond. Math. Soc. 25(1), 7–16 (1993)

    Article  MathSciNet  MATH  Google Scholar 

  6. Bruce, J.W.: Euler characteristics of real varieties. Bull. Lond. Math. Soc. 22, 547–552 (1990)

    Article  MathSciNet  MATH  Google Scholar 

  7. Cerf, J.: Topologie de certains espaces de plongements. Bull. Soc. Math. Fr. 89, 227–380 (1961)

    Article  MathSciNet  MATH  Google Scholar 

  8. Cisneros-Molina, J., Seade, J., Snoussi, J.: Milnor fibrations and the concept of d-regularity for analytic map germs. Contemporary Mathematics, vol. 569, pp. 01–28. American Mathematical Society, Providence (2012)

    Google Scholar 

  9. Dudzinski, P., Lecki, A., Nowak-Przygodzki, P., Szafraniec, Z.: On the topological invariance of the Milnor number mod 2. Topology 32, 573–576 (1993)

    Article  MathSciNet  MATH  Google Scholar 

  10. Durfee, A.: Neighborhoods of algebraic sets. Trans. Am. Math. Soc. 276(2), 517–530 (1983)

    Article  MathSciNet  MATH  Google Scholar 

  11. Dutertre, N.: On affine complete intersection with isolated singularities. J. Pure Appl. Algebra 164(1–2), 129–147 (2001)

    Article  MathSciNet  MATH  Google Scholar 

  12. Dutertre, N.: On the Euler-Poincaré characteristic of semi-analytic sets and semi-algebraic sets. Math. Proc. Camb. Philos. Soc. 135(3), 527–538 (2003)

    Article  MATH  Google Scholar 

  13. Dutertre, N.: On topological invariants associated with a polynomial with isolated critical points. Glasg. Math. J. 46(2), 323–334 (2004)

    Article  MathSciNet  MATH  Google Scholar 

  14. Dutertre, N.: Degree formulas and signature formulas for the Euler characteristic of real algebraic sets. J. Math. Sci. (N. Y.) 195(2), 131–138 (2013)

    Google Scholar 

  15. Dutertre, N., Araújo dos Santos, R.: Topology of real Milnor fibration for non-isolated singularities. Int. Math. Res. Not. 2016(16), 4849–4866 (2016)

    Article  MathSciNet  Google Scholar 

  16. Eisenbud, D.: An algebraic approach to the topological degree of a smooth map. Bull. Am. Math. Soc. 84(5), 751–764 (1978)

    Article  MathSciNet  MATH  Google Scholar 

  17. Eisenbud, D., Levine, H.I.: An algebraic formula for the degree of a \(C^{\infty }\) map-germ. Ann. Math. 106, 19–44 (1977)

    Google Scholar 

  18. Golubitsky, M., Guillemin, V.: Stable Mappings and Their Singularities. Graduate Texts in Mathematics, vol. 14. Springer, New York (1973)

    Google Scholar 

  19. Goresky, M., Macpherson, R.: Stratified Morse Theory. Springer, Berlin (1988)

    Book  MATH  Google Scholar 

  20. Guillemin, V., Pollack, A.: Differential Topology. Prentice-Hall Inc., Englewood Cliffs (1974)

    MATH  Google Scholar 

  21. Hamm, H., Lê, D.T.: Un théorème de Zariski du type de Lefschetz. Ann. Sci. Écol. Norm. Sup. (3)  6, 317–355 (1973)

    Google Scholar 

  22. Hirsch, M.: Differential Topology. Graduate Texts in Mathematics, vol. 33. Springer, New York (1976)

    Google Scholar 

  23. Jacquemard, A.: On the fiber of the compound of a real analytic function by a projection. Bollettino dell’Unione Matematica Italiana, serie 8, 2-B(2), 263–278 (1999)

    Google Scholar 

  24. Khimshiashvili, G.M.: On the local degree of a smooth map. Soobshch. Akad. Nauk Gruz. SSR 85, 309–311 (1977)

    MATH  Google Scholar 

  25. Lapébie, J.: Sur la topologie des ensembles semi-algébriques: caractéristique d’Euler, degré topologique et indice radial. Thèse de doctorat, Aix-Marseille Université (2015)

    Google Scholar 

  26. Łojasiewicz, S.: Ensembles Semi-analytiques. Institut des Hautes Études Scientifiques, Bures-sur-Yvette (1965)

    Google Scholar 

  27. Massey, D.: Real analytic Milnor fibrations and a strong Łojasiewicz inequality. Real and Complex Singularities. London Mathematical Society Lecture Note Series, vol. 380, pp. 268–292. Cambridge University Press, Cambridge (2010)

    Google Scholar 

  28. Milnor, J.: Morse Theory. Annals of Mathematics Studies, vol. 51. Princeton University Press, Princeton (1963)

    Google Scholar 

  29. Milnor, J.: Topology from the Differentiable Viewpoint. The University Press of Virginia, Charlottesville (1965)

    MATH  Google Scholar 

  30. Milnor, J.: Singular Points of Complex Hypersurfaces. Annals of Mathematics Studies, vol. 61. Princeton University Press, Princeton (1968)

    Google Scholar 

  31. Pedersen, P., Roy, M.-F., Szpirglas, A.: Counting real zeros in the multivariate case. Computational Algebraic Geometry (Nice, 1992). Progress in Mathematics, vol. 109, pp. 203–224. Birkhauser, Boston (1993)

    Google Scholar 

  32. Roy, M.-F.: Basic algorithms in real algebraic geometry and their complexity: from Sturm’s theorem to the existential theory of reals. Lectures in Real Geometry. De Gruyter Expositions in Mathematics, vol. 23, pp. 1–67. de Gruyter, Berlin (1996)

    Google Scholar 

  33. Szafraniec, Z.: On the Euler characteristic of analytic and algebraic sets. Topology 26, 411–414 (1986)

    Article  MathSciNet  MATH  Google Scholar 

  34. Szafraniec, Z.: The Euler characteristic of algebraic complete intersections. J. reine angew Math. 397, 194–201 (1989)

    MathSciNet  MATH  Google Scholar 

  35. Szafraniec, Z.: Topological invariants of weighted homogeneous polynomials. Glasg. Math. J. 33, 241–245 (1991)

    Article  MathSciNet  MATH  Google Scholar 

  36. Szafraniec, Z.: Topological invariants of real analytic sets. Habilitation thesis, Uniwersytet Gdański (1993)

    Google Scholar 

  37. Szafraniec, Z.: A formula for the Euler characteristic of a real algebraic manifold. Manuscr. Math. 85, 345–360 (1994)

    Article  MathSciNet  MATH  Google Scholar 

  38. Szafraniec, Z.: Topological degree and quadratic forms. J. Pure Appl. Algebra 141(3), 299–314 (1999)

    Article  MathSciNet  MATH  Google Scholar 

  39. Wall, C.T.C.: Topological invariance of the Milnor number mod 2. Topology 22, 345–350 (1983)

    Article  MathSciNet  MATH  Google Scholar 

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Dutertre, N. (2018). Topology of Real Singularities. In: Araújo dos Santos, R., Menegon Neto, A., Mond, D., Saia, M., Snoussi, J. (eds) Singularities and Foliations. Geometry, Topology and Applications. NBMS BMMS 2015 2015. Springer Proceedings in Mathematics & Statistics, vol 222. Springer, Cham. https://doi.org/10.1007/978-3-319-73639-6_2

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