scholarly journals Remarks on the nef cone on symmetric products of curves

2009 ◽  
Vol 130 (1) ◽  
pp. 113-120 ◽  
Author(s):  
F. Bastianelli
Keyword(s):  
Symmetric Products ◽  
Nef Cone

scholarly journals Di(μ-phosphido)cobalt-und -nickel-Verbindungen mit Trimethylphosphanliganden/ Di(μ-phosphido)cobalt and Nickel Compounds with Trimethylphosphine Ligands

1988 ◽  
Vol 43 (8) ◽  
pp. 927-932 ◽  
Author(s):  
Hans-Friedrich Klein ◽  
Michael Gaß ◽  
Ulf Zucha ◽  
Brigitte Eisenmann
Keyword(s):  
Metal Complexes ◽  
High Yield ◽  
Symmetric Products ◽  
Space Group ◽  
Mixed Metal ◽  
Nickel Compounds ◽  
Mixed Metal Complexes ◽  
Cobalt And Nickel

AbstractSeveral fortuitous preparations and high yield rational syntheses for [(Me3P)2M(PMe2)]: (1: M = Co; 2: M = Ni) are described. 1 crystallizes in the space group P1̄ (no. 2); a = 975.6(5). b = 943.6(5), c - 904.2(5) pm. α= 63.8(1)°, β = 79.1(1)°, γ = 72.8(1)°. Mixed metal complexes L2Co(PR2)2NiL2 (L = PMe3; R = Me, Ph) evaded detection giving symmetric products exclusively. An improved synthesis of LiP(C6H5)2·dioxane is also described.

scholarly journals The nef cone volume of generalized Del Pezzo surfaces

2008 ◽  
Vol 2 (2) ◽  
pp. 157-182 ◽  
Author(s):  
Ulrich Derenthal ◽  
Michael Joyce ◽  
Zachariah Teitler
Keyword(s):  
Del Pezzo Surfaces ◽  
Del Pezzo ◽  
Nef Cone

scholarly journals Addition Formula and Related Integral Equations for Heine—Stieltjes Polynomials

Symmetry ◽  
2019 ◽  
Vol 11 (10) ◽  
pp. 1231
Author(s):  
Hans Volkmer
Keyword(s):  
Integral Equations ◽  
Explicit Form ◽  
Spherical Harmonics ◽  
Reproducing Kernel ◽  
Addition Formula ◽  
Symmetric Products ◽  
Special Cases ◽  
Related Integral ◽  
Generalized Spherical Harmonics ◽  
The Relationship

It is shown that symmetric products of Heine–Stieltjes quasi-polynomials satisfy an addition formula. The formula follows from the relationship between Heine–Stieltjes quasi-polynomials and spaces of generalized spherical harmonics, and from the known explicit form of the reproducing kernel of these spaces. In special cases, the addition formula is written out explicitly and verified. As an application, integral equations for Heine–Stieltjes quasi-polynomials are found.

scholarly journals Homogeneity degree of some symmetric products

2017 ◽  
Vol 230 ◽  
pp. 276-282 ◽  
Author(s):  
Rodrigo Hernández-Gutiérrez ◽  
Verónica Martínez-de-la-Vega
Keyword(s):  
Symmetric Products
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