Subgroups of mapping class groups from the geometrical viewpoint
Author(s) -
Richard P. Kent,
Christopher J. Leininger
Publication year - 2007
Publication title -
contemporary mathematics - american mathematical society
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 0.106
H-Index - 12
eISSN - 1098-3627
pISSN - 0271-4132
DOI - 10.1090/conm/432/08306
Subject(s) - mathematics , analogy , class (philosophy) , point (geometry) , natural (archaeology) , beauty , algebra over a field , pure mathematics , epistemology , calculus (dental) , geometry , philosophy , geography , medicine , archaeology , dentistry
Once it is possible to translate any particular proof from one theory to another, then theanalogy has ceased to be productive for this purpose; it would cease to be at all productiveif at one point we had a meaningful and natural way of deriving both theories from a singleone. . . . Gone is the analogy: gone are the two theories, their conicts and their deliciousreciprocal reections, their furtive caresses, their inex plicable quarrels; alas, all is just onetheory, whose majestic beauty can no longer excite us.— from Andre´ Weil’s 1940 letter to Simone Weil
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