LEADER 01236nam a2200337 i 4500 001 991001168099707536 005 20020507184509.0 008 930913s1989 us ||| | eng 020 $a0817634738 035 $ab10810195-39ule_inst 035 $aLE01308112$9ExL 040 $aDip.to Matematica$beng 082 0 $a512.4 084 $aAMS 16-XX 084 $aAMS 16A34 (1985) 084 $aAMS 19-XX 084 $aLC QA247.B65 100 1 $aBorho, Walter$054612 245 10$aNilpotent orbits, primitive ideals, and characteristic classes :$ba geometric perspective in ring theory /$cW. Borho, J. -L. Brylinski, R. MacPherson 260 $aBoston :$bBirkhäuser,$c1989 300 $a131 p. , 23 cm 490 0 $aProgress in mathematics [Birkhauser],$xISSN 0743-1643;$v78 650 4$aRings 700 1 $aMacPherson, Robert 700 1 $aBrylinski, Jean-Luc 907 $a.b10810195$b23-02-17$c28-06-02 912 $a991001168099707536 945 $aLE013 16-XX BOR11 (1989)$g1$i2013000074283$lle013$o-$pE0.00$q-$rl$s- $t0$u0$v0$w0$x0$y.i10915473$z28-06-02 996 $aNilpotent orbits, primitive ideals, and characteristic classes$9924969 997 $aUNISALENTO 998 $ale013$b01-01-93$cm$da $e-$feng$gus $h0$i1