On Conjectures of A. Eremenko and A. Gabrielov
  We study polynomials p(x) satisfying a differential equation of the form p"(x)-h'(x)p'(x)+H(x)p(x)=0, where h(x)=x^3/3+ax. We prove a conjecture of A. Eremenko and A. Gabrielov. 
E. Mukhin and V. Tarasov
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