Research output per year
Research output per year
Search results
-
2013
Essential spectrum of systems of singular differential equations
Ibrogimov, O., Langer, H., Langer, M. & Tretter, C., Nov 2013, In: Acta Scientiarum Mathematicarum. 79, 3-4, p. 423-465 43 p.Research output: Contribution to journal › Article › peer-review
5 Citations (Scopus) -
2009
Dependence of the Weyl coefficient on singular interface conditions
Langer, M. & Woracek, H., 28 May 2009, In: Proceedings of the Edinburgh Mathematical Society. 52, 2, p. 445-487 43 p.Research output: Contribution to journal › Article › peer-review
3 Citations (Scopus) -
2008
The Virozub-Matsaev condition and spectrum of definite type for self-adjoint operator functions
Langer, M., Langer, H., Markus, A. & Tretter, C., Mar 2008, In: Complex Analysis and Operator Theory. 2, 1, p. 99-134 36 p.Research output: Contribution to journal › Article › peer-review
5 Citations (Scopus) -
2006
Variational principles for eigenvalues of the Klein-Gordon equation
Langer, M. & Tretter, C., Oct 2006, In: Journal of Mathematical Physics. 47, 10, 18 p., 103506.Research output: Contribution to journal › Article › peer-review
7 Citations (Scopus)