A generalized Uzawa method for special linear systems

2014 ◽  
Author(s):  
Qiujuan Tong ◽  
Shupeng Cheng
Keyword(s):  
Linear Systems ◽  
Uzawa Method ◽  
Special Linear

scholarly journals Special linear systems and syzygies

2008 ◽  
Vol 59 (3) ◽  
pp. 239-254 ◽  
Author(s):  
Alberto Alzati
Keyword(s):  
Linear Systems ◽  
Special Linear

scholarly journals A metric graph satisfying w41=1$w_4^1 = 1$ that cannot be lifted to a curve satisfying dim⁡ (W41)=1$\dim \;(W_4^1 ) = 1$

2016 ◽  
Vol 14 (1) ◽  
pp. 1-12 ◽  
Author(s):  
Marc Coppens
Keyword(s):  
Linear Systems ◽  
Harmonic Morphism ◽  
Metric Graphs ◽  
Clifford Index ◽  
Special Linear ◽  
Metric Graph ◽  
Index 2

AbstractFor all integers g ≥ 6 we prove the existence of a metric graph G with $w_4^1 = 1$ such that G has Clifford index 2 and there is no tropical modification G′ of G such that there exists a finite harmonic morphism of degree 2 from G′ to a metric graph of genus 1. Those examples show that not all dimension theorems on the space classifying special linear systems for curves have immediate translation to the theory of divisors on metric graphs.

scholarly journals On a notion of toric special linear systems

2019 ◽  
Vol 223 (8) ◽  
pp. 3225-3237
Author(s):  
Joaquín Moraga
Keyword(s):  
Linear Systems ◽  
Special Linear

On special linear systems on curves

1990 ◽  
Vol 18 (1) ◽  
pp. 279-284 ◽  
Author(s):  
Edoardo Ballico
Keyword(s):  
Linear Systems ◽  
Special Linear
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