Georg Schmidt's Best Publications (to 1990)

• Spectral and scattering theory for Maxwell's equations in an exterior domain, Arch. Rat. Mech. and Anal. 28 (1968), 284-322.
• (with P. Alsholm) Spectral and scattering theory for Schroedinger operators, Arch. Rat. Mech. and Anal. 40 (1971), 281-311.
• Scattering theory for the Schroedinger equation with a potential almost periodic in time, Jour d'Analyse Math. 33 (1978), 121-145.
• (with N. Weck) On the boundary behaviour of solutions to elliptic and parabolic equations - with applications to boundary control for parabolic equations, SIAM J. Cont. and Opt. 16 (1978), 593-598.
• The "bang-bang" principle for the time-optimal problem in boundary control of the heat equation, SIAM J. Cont. and Opt. 18 (1980), 101-107.
• On the total - and strict total - positivity of the kernels associated with parabolic initial boundary value problems, J. Diff. Equ. 62 (1986). 275-298.
• Even more states reachable by boundary control for the heat equation, SIAM J. Cont. and Opt. (1986), 1319-1322.
• Boundary control for the heat equation with non-linear boundary condition, J. Diff. Equ. 78 (1989), 89-121.