That is so true. I needed some facts concerning differential operators for my PhD thesis. And there it all was: very clearly and thoroughly stated. I was ashamed I let the immensity of the work scare me away before.
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Style[ edit ] The material has a reputation of being hard to read for a number of reasons. The style is very abstract and makes heavy use of category theory. Moreover, an attempt was made to achieve maximally general statements, while assuming that the reader is aware of the motivations and concrete examples.
They can still be found in large math libraries, but distribution was limited. After a dispute with Springer, Grothendieck refused the permission for reprints of the series. While these later revisions were more widely distributed than the original fascicles, they are still uncommon outside of libraries. References to SGA typically mean the later, revised editions and not the original fascicles; some of the originals were labelled by capital letters, thus for example S.
SGA8 was never written. Re-publishing SGA[ edit ] In the s it became obvious that the lack of availability of the SGA was becoming more and more of a problem to researchers and graduate students in algebraic geometry: not only are the copies in book form too few for the growing number of researchers, but they are also difficult to read because of the way they are typeset on an electric typewriter , with mathematical formulae written by hand.
Thus, under the impetus of various mathematicians from several countries, a project was formed of re-publishing SGA in a more widely available electronic format and using LaTeX for typesetting; also, various notes are to be added to correct for minor mistakes or obscurities. Legal permission to reprint the works was obtained from every author except Alexander Grothendieck himself, who could not be contacted; it was decided to proceed without his explicit agreement on the grounds that his refusal for the SGA to be re-published by Springer-Verlag was an objection against Springer and not one of principle.
As a first step, the entire work was scanned and made available on-line see the links section below by Frank Calegari, Jim Borger and William Stein. The job of typesetting the text anew and proofreading it was then distributed among dozens of volunteers most of them junior French mathematicians, because of the required fluency in French and knowledge of algebraic geometry , starting with SGA1 in late The LaTeX source file is available on the arXiv.
In late work on republishing SGA resumed and it was restored to the Grothendieck circle site.
如何评价 Alexander Grothendieck 的一生？
Life[ edit ] Family and childhood[ edit ] Grothendieck was born in Berlin to anarchist parents. His father, Alexander "Sascha" Schapiro also known as Alexander Tanaroff , had Hasidic Jewish roots and had been imprisoned in Russia before moving to Germany in , while his mother, Johanna "Hanka" Grothendieck, came from a Protestant family in Hamburg and worked as a journalist. Both had broken away from their early backgrounds in their teens. They left Grothendieck in the care of Wilhelm Heydorn, a Lutheran pastor and teacher   in Hamburg. Shortly afterwards his father was interned in Le Vernet. Once Alexander managed to escape from the camp, intending to assassinate Hitler.
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