Publications
Martin Otto
2002

E. Grädel, C. Hirsch, and M. Otto. Back and Forth Between Guarded and Modal Logics. ACM Transactions on Computational Logics, vol. 3(3), pp. 418 – 463, 2002.
2000

E. Grädel, C. Hirsch, and M. Otto. Back and Forth Between Guarded and Modal Logics. In Proceedings of 15th IEEE Symposium on Logic in Computer Science LICS 2000, pp. 217–228, Santa Barbara, 2000.
1999

E. Grädel and M. Otto. On Logics with Two Variables. Theoretical Computer Science, vol. 224, pp. 73–113, 1999.

E. Grädel, M. Otto, and E. Rosen. Undecidability Results on TwoVariable Logics. Archive for Mathematical Logic, vol. 38, pp. 213–354, 1999.

E. Hoogland, M. Marx, and M. Otto. Beth Definability for the Guarded Fragment. In Proceedings of LPAR'99, LNAI. Springer, 1999.

F. Neven, M. Otto, J. Tyszkiewicz, and V. den Bussche. Adding FORLoops to FirstOrder Logic. In Proceedings of ICDT'99, vol. 1540 of LNCS, pp. 58–69. Springer, 1999.

M. Otto. BoundedVariable Logics: Two, Three, and More. Archive for Mathematical Logic, vol. 38, pp. 235–256, 1999.

M. Otto. BisimulationInvariant Ptime and HigherDimensional muCalculus. Theoretical Computer Science, vol. 224, pp. 237–265, 1999.

M. Otto. Eliminating Recursion in the $\mu$Calculus. In Proceedings of STACS'99, vol. 1563 of LNCS, pp. 531–540. Springer, 1999.
1998

P. Kolaitis and M. Otto. {On the Boundedness Problem for TwoVariable FirstOrder Logic}. In Proceedings of IEEE Symposium on Logic in Computer Science LICS `98, 1998.

M. Otto. TwoVariable FirstOrder Logic over Ordered Domains. 1998.

M. Otto. An interpolation theorem. 1998.
1997

E. Grädel, M. Otto, and E. Rosen. TwoVariable Logic with Counting is Decidable. In Proceedings of 12th IEEE Symposium on Logic in Computer Science LICS `97, Warschau, 1997.

E. Grädel, M. Otto, and E. Rosen. Undecidability Results on TwoVariable Logics. In Proceedings of 14th Symposium on Theoretical Aspects of Computer Science STACS`97, vol. 1200 of Lecture Notes in Computer Science, pp. 249–260, 1997.

M. Otto. {Canonization for Two Variables and Puzzles on the Square}. Annals of Pure and Applied Logic, vol. 85, pp. 243–282, 1997.

M. Otto. Capturing BisimulationInvariant Ptime. In Proceedings of 4th Symposium on Logical Foundations of Computer Science, LFCS `97, vol. 1234 of LNCS, pp. 294–305. Springer, 1997.

M. Otto. Bounded variable logics and counting — A study in finite models. Springer, 1997.

M. Otto. The Logic of Explicitly RepresentationInvariant Circuits. Selected Papers of CSL `96, vol. 1258, pp. 369–384, 1997.
1996

M. Otto. The {Expressive Power of FixedPoint Logic with Counting}. Journal of Symbolic Logic, vol. 61, pp. 147–176, 1996.

M. Otto and J. V. den Bussche. First{Order Queries on Databases Embedded in an Infinite Structure}. Information Processing Letters, vol. 60, pp. 37–41, 1996.
1995

M. Otto. Bounded variable logics and counting — A study in finite models. 1995.

M. Otto. A note on the number of monadic quantifiers in monadic {$\Sigma^1\_1$}. Information Processing Letters, vol. 53(6), pp. 337–339, 1995.

M. Otto. Ptime canonization for two variables with counting. In Proceedings of 10th IEEE Symposium on Logic in Computer Science LICS `95, pp. 342–352, 1995.
1994

M. Otto. Generalized quantifiers for simple properties. In Proceedings of 9th IEEE Symposium on Logic in Computer Science LICS `94, pp. 30–39, 1994.
1993

E. Grädel and M. Otto. Inductive Definability with Counting on Finite Structures. In Computer Science Logic, 6th Workshop, CSL `92, San Miniato 1992, Selected Papers (E. Börger, G. Jäger, H. K. Büning, S. Martini, and M. M. Richter, Eds.), vol. 702 of LNCS, pp. 231–247. Springer, 1993.
1992

M. Otto. Automorphism Properties of Stationary Logic. Journal of Symbolic Logic, vol. 57, pp. 231–237, 1992.

M. Otto. EM Functors for a Class of Generalized Quantifiers. Archive for Mathematical Logic, vol. 31, pp. 355–371, 1992.
1990

M. Otto. EhrenfeuchtMostowski Konstruktionen in Erweiterungslogiken. PhD thesis, Freiburg University, 1990.
1987

M. Otto. A Reduction Scheme for Phase Spaces with AlmostK{ähler Symmetry – Regularity Results for Momentum Level Sets}. Journal of Geometry and Physics, vol. 4, pp. 101–118, 1987.