Excerpt from Plane Cubics With a Given Quadrangle of Inflexions: A Dissertation
Then, as is known, the pencil of conics through the four points has a real common self-polar triangle with A, the intersection of the two given lines, as a vertex and bc, the polar line of A with respect to the given conic, as a side. It is further known that the remaining vertices B, C may be determined by a quadratic construction and hence, since every quadratic construction can be performed by means of the one given conic, the self-5 polar triangle may be constructed geometrically.
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Paperback. Zustand: New. Print on Demand. This book examines plane cubics by studying their points of inflexion, with a focus on cases where four such points are given. The author establishes conditions for determining the location of the remaining five inflexion points, thereby characterizing the complete set of nine inflexion points for these cubics. The author begins by considering the classical fact that every nonsingular cubic has nine points of inflexion, four of which can be chosen arbitrarily. They then explore the consequences of fixing four such points and demonstrate that this determines a system of six pencils of cubics, each pair of which has a fifth point of inflexion in common. This leads to the identification of fifteen inflexion points associated with the given four. The author further investigates the relative positions of these points, revealing equianharmonic properties and a combination of harmonic relations. The book concludes by discussing the significance of these findings, emphasizing their implications for understanding the geometry of plane cubics and the determination of their inflexion points. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Bestandsnummer des Verkäufers 9781333458768_0
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Anbieter: PBShop.store US, Wood Dale, IL, USA
PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Bestandsnummer des Verkäufers LW-9781333458768
Anbieter: PBShop.store UK, Fairford, GLOS, Vereinigtes Königreich
PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Bestandsnummer des Verkäufers LW-9781333458768
Anzahl: 15 verfügbar