MAGDEBURG Eigenvalue Algorithms for Symmetric Hierarchical Matrices

in accordance with the requirements for the degree Dr. rer. nat.-6-4-2-1 0 1 2 4 6 a0 = −6.5 b0 = 5.5 µ1 = −0.5 ν(−0.5) = 4-6-4-2-1 0 1 2 4 6 a1 = −6.5 b1 = −0.5 µ2 = −3.5 ν(−3.5) = 2-6-4-2-1 0 1 2 4 6 a2 = −3.5 b2 = −0.5 µ3 = −2 ν(−2) = 4-6-4-2-1 0 1 2 4 6 a3 = −3.5 b3 = −2 µ4 = −2.75 ν(−2.75) =