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  • 1
    Electronic Resource
    Electronic Resource
    On orientable real algebraicM-surfaces (1997)
    Springer
    Mathematical notes 62 (1997), S. 434-438 
    Details
    ISSN: 1573-8876
    Keywords: real points of real algebraicM-surface ; irregularity ; Euler characteristic ; homology groups
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract Here we study relations between homology classes determined by real points of a real algebraicM-surface. We prove new congruences involving the Euler characteristics of the connected components of the set of these real points.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02358976
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  • 2
    Electronic Resource
    Electronic Resource
    Picard and Lefschetz numbers of real algebraic surfaces (1998)
    Springer
    Mathematical notes 63 (1998), S. 747-751 
    Details
    ISSN: 1573-8876
    Keywords: algebraic surface ; divisor ; cycle mapping ; algebraic cohomology ; transcendental cohomology ; Picard number ; Lefschetz number ; Hodge number ; Euler characteristic
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract Two Picard numbers and two Lefschetz numbers are defined for a real algebraic surface. They are similar to the Picard number and the Lefschetz number of a complex algebraic surface. For these numbers, some estimates and relations in the form of inequalities are proved.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02312767
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