Numerical computations on the zeros of the Euler double zeta-function I
  The distribution of the zeros of the Euler double zeta-function $\zeta_2(s_1,s_2)$, in the case when $s_1=s_2$, is studied numerically. Some similarity to the distribution of the zeros of Hurwitz zeta-functions is observed. 
Kohji Matsumoto and Mayumi Sh\=oji
math.NT