caa a22 4500 475742273 CHVBK 20180406123503.0 cr unu---uuuuu 170329e20000201xx s 000 0 eng 10.1007/BF02686250 doi (NATIONALLICENCE)springer-10.1007/BF02686250 Timofeeva N. K. D. Ushinskii Yaroslavl State Pedagogical University, USSR aut Smoothness and Euler characteristic of the variety of complete pairs X 23 of zero-dimensional subschemes of length 2 and 3 of algebraic surfaces [Elektronische Daten] [N. Timofeeva] A. S. Tikhomirov's conjecture about the smoothness of the variety of complete pairsX 23 of zero-dimensional subschemes of an irreducible projective algebraic surface is verified. In the caseS=P2, the topological Euler characteristic of this variety is computed. Kluwer Academic/Plenum Publishers, 2000 irreducible projective algebraic surface nationallicence variety of complete pairs of zero-dimensional subschemes nationallicence Euler characteristic nationallicence Hilbert scheme nationallicence tangent space nationallicence monomial ideals nationallicence Mathematical Notes Springer US 67/2(2000-02-01), 223-232 0001-4346 67:2<223 2000 67 11006 https://doi.org/10.1007/BF02686250 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF02686250 text/html Onlinezugriff via DOI NATIONALLICENCE 100 1- Timofeeva N. K. D. Ushinskii Yaroslavl State Pedagogical University, USSR aut NATIONALLICENCE 773 0- Mathematical Notes Springer US 67/2(2000-02-01), 223-232 0001-4346 67:2<223 2000 67 11006 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer