Esempi in Python per absolute_igusa_invariants_wamelen

Esempio n. 1

File: hyperelliptic_g2_generic.py Progetto: sampadsaha5/sage

    def absolute_igusa_invariants_wamelen(self):
        r"""
        Return the three absolute Igusa invariants used by van Wamelen [W]_.

        EXAMPLES::

            sage: R.<x> = QQ[]
            sage: HyperellipticCurve(x^5 - 1).absolute_igusa_invariants_wamelen()
            (0, 0, 0)
            sage: HyperellipticCurve((x^5 - 1)(x - 2), (x^2)(x - 2)).absolute_igusa_invariants_wamelen()
            (0, 0, 0)
        """
        f, h = self.hyperelliptic_polynomials()
        return invariants.absolute_igusa_invariants_wamelen(4 * f + h ** 2)

Esempio n. 2

File: hyperelliptic_g2_generic.py Progetto: wdv4758h/sage

    def absolute_igusa_invariants_wamelen(self):
        r"""
        Return the three absolute Igusa invariants used by van Wamelen [W]_.

        EXAMPLES::

            sage: R.<x> = QQ[]
            sage: HyperellipticCurve(x^5 - 1).absolute_igusa_invariants_wamelen()
            (0, 0, 0)
            sage: HyperellipticCurve((x^5 - 1)(x - 2), (x^2)(x - 2)).absolute_igusa_invariants_wamelen()
            (0, 0, 0)
        """
        f, h = self.hyperelliptic_polynomials()
        return invariants.absolute_igusa_invariants_wamelen(4 * f + h**2)