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Publications of Author

1. Haicheng Ma, Haizhen Ren
   sigma-polynomials. [Citation Graph (0, 0)][DBLP]
   Discrete Mathematics, 2004, v:285, n:1-3, pp:341-344 [Journal]
   
2. Haizhen Ren
   On the chromaticity of K₄ homeomorphs. [Citation Graph (0, 0)][DBLP]
   Discrete Mathematics, 2002, v:252, n:1-3, pp:247-257 [Journal]
   
3. Haicheng Ma, Haizhen Ren
   The new methods for constructing matching-equivalence graphs. [Citation Graph (0, 0)][DBLP]
   Discrete Mathematics, 2007, v:307, n:1, pp:125-131 [Journal]
   
4. Haizhen Ren, Fuji Zhang
   Extremal double hexagonal chains with respect to k-matchings and k-independent sets. [Citation Graph (0, 0)][DBLP]
   Discrete Applied Mathematics, 2007, v:155, n:17, pp:2269-2281 [Journal]
   
5. 
   On Orderings of Some Graphs by the Extreme Roots of their Graph Polynomials. [Citation Graph (, )][DBLP]
   
   
6. 
   The chromatic equivalence classes of the complements of graphs with the minimum real roots of their adjoint polynomials greater than -4. [Citation Graph (, )][DBLP]