no. 1
Base points of polar curves
Annales de l'Institut Fourier, Tome 41 (1991) no. 1, pp. 1-10

The base points of the system of polar curves of an irreducible algebroid plane curve with general moduli are determined. As consequences a lower bound for the Tjurina number and many continuous analytic invariants of the curve are found.

On détermine les points-base du système des courbes polaires d’une courbe algébroïde plane irréductible à modules généraux. On en tire une borne inférieure pour le nombre de Tjurina et plusieurs invariants analytiques continus de la courbe.

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     author = {Casas-Alvero, Eduardo},
     title = {Base points of polar curves},
     journal = {Annales de l'Institut Fourier},
     pages = {1--10},
     year = {1991},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {41},
     number = {1},
     doi = {10.5802/aif.1245},
     zbl = {0707.14024},
     mrnumber = {92f:14023},
     language = {en},
     url = {https://aif.centre-mersenne.org/articles/10.5802/aif.1245/}
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Casas-Alvero, Eduardo. Base points of polar curves. Annales de l'Institut Fourier, Tome 41 (1991) no. 1, pp. 1-10. doi: 10.5802/aif.1245

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[6] O. Zariski, Le problème des modules pour les branches planes, Centre de Math., École Polytechnique, Paris, 1973. | Zbl | MR

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