By Gerd Fischer

The examine of the zeroes of polynomials, which for one variable is largely algebraic, turns into a geometrical idea for numerous variables. during this e-book, Fischer appears to be like on the vintage access element to the topic: airplane algebraic curves. right here one speedy sees the combination of algebra and geometry, in addition to research and topology, that's ordinary of complicated algebraic geometry, yet with no the necessity for complex ideas from commutative algebra or the summary equipment of sheaves and schemes. within the first 1/2 this e-book, Fischer introduces a few easy geometrical facets, similar to tangents, singularities, inflection issues, etc. the most technical instrument is the concept that of intersection multiplicity and BÃ©zout's theorem. This half culminates within the attractive PlÃ¼cker formulation, which relate a number of the invariants brought prior. the second one a part of the e-book is basically an in depth define of contemporary equipment of neighborhood analytic geometry within the context of advanced curves. this offers the more suitable instruments wanted for an excellent knowing of duality and a good technique of computing intersection multiplicities brought prior. hence, we meet jewelry of energy sequence, germs of curves, and formal parametrizations. eventually, throughout the patching of the neighborhood details, a Riemann floor is linked to an algebraic curve, therefore linking the algebra and the research.

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