Dellnitz, Michael, et al. “Generic Bifurcations of Pendula.”10.1007/978-3-0348-7536-3_10__Bifurcation and Symmetry, 1992, doi:10.1007/978-3-0348-7536-3_10.
LibreCat: /record/16547
DOI: 10.1007/978-3-0348-7536-3_10

Dellnitz, M., et al. “Generic Bifurcation of Hamiltonian Vector Fields with Symmetry.”10.1088/0951-7715/5/4/008__Nonlinearity, 1992, pp. 979–96, doi:10.1088/0951-7715/5/4/008.
LibreCat: /record/16548
DOI: 10.1088/0951-7715/5/4/008

Dellnitz, Michael. “Computational Bifurcation of Periodic Solutions in Systems with Symmetry.”10.1093/imanum/12.3.429__IMA Journal of Numerical Analysis, vol. 12, no. 3, 1992, pp. 429–55, doi:10.1093/imanum/12.3.429.
LibreCat: /record/17012
DOI: 10.1093/imanum/12.3.429

Hilgert, Joachim. “Fomenko, A.T. Symplectic Geometry (Gordon and Breach, 1988).” JBer. DMV, vol. 94, 1992.
LibreCat: /record/51585

Hilgert, Joachim, and G. Ólafsson. “Analytic Extensions of Representations, the Solvable Case.” Japan. J. Math., vol. 18, 1992, pp. 213–90.
LibreCat: /record/51442

Hilgert, Joachim. “Controllability on Real Reductive Groups.” Math. Zeitschrift, vol. 209, 1992, pp. 463–66.
LibreCat: /record/51443

Lasser, R., and Margit Rösler. “Linear Mean Estimation of Weakly Stationary Stochastic Processes under the Aspects of Optimality and Asymptotic Optimality.”10.1016/0304-4149(91)90095-t__Stochastic Processes and Their Applications, vol. 38, no. 2, Elsevier BV, 1991, pp. 279–93, doi:10.1016/0304-4149(91)90095-t.
LibreCat: /record/40218
DOI: 10.1016/0304-4149(91)90095-t

Hilgert, Joachim. “Varadarajan, V.S. An Introduction to Harmonic Analysis on Semisimple Lie Groups (Cambridge University Press, 1989).” JBer. DMV, vol. 94, no. 4, 1991.
LibreCat: /record/51588

Hilgert, Joachim. “Terras, A. Harmonic Analysis on Symmetric Spaces I and II (Springer, New York, 1985 Und 1988).” JBer. DMV, vol. 93, no. 2, 1991.
LibreCat: /record/51589

Hilgert, Joachim, et al. “Hardy Spaces on Affine Symmetric Spaces.” J. Reine Und Angew. Math., vol. 415, 1991, pp. 189–218.
LibreCat: /record/51445

Hilgert, Joachim. “Group Theoretical Aspects of Gödels Model.” Jahrbuch Der Gödel Gesellschaft, edited by Joachim Hilgert, 1991.
LibreCat: /record/51483

Hilgert, Joachim. “Infinitesimally Generated Subsemigroups of Motion Groups.” Rocky Mount. J. Math., vol. 21, 1991, pp. 865–78.
LibreCat: /record/51444

Hilgert, Joachim, and K. H. Neeb, editors. Lie-Gruppen und Lie-Algebren. Vieweg Verlag, 1991.
LibreCat: /record/51497

Hilgert, Joachim. “Onishchik, A.L., Und E.B. Vinberg. Lie Groups and Algebraic Groups (Springer, New York, 1990).” Zentralblatt, vol. 722, 1991.
LibreCat: /record/51586

Rösler, Margit. “On Optimal Linear Mean Estimators for Weakly Stationary Stochastic Processes.” Orthogonal Polynomials and Their Applications (Erice, 1990), IMACS Ann. Comput. Appl. Math., 9, 1991, pp. 373–378.
LibreCat: /record/40656

Hilgert, Joachim. “Applications of Lie Semigroups in Analysis.” The Analytical and Topological Theory of Semigroups, edited by K.H. Hofmann and et al., De Gruyter, 1990.
LibreCat: /record/51484

Hilgert, Joachim, and K. H. Hofmann. “On the Causal Structure of Homogeneous Manifolds.” Math. Scand., vol. 67, 1990, pp. 119–44.
LibreCat: /record/51446

Dellnitz, Michael, and Bodo Werner. “Computational Methods for Bifurcation Problems with Symmetries—with Special Attention to Steady State and Hopf Bifurcation Points.”10.1016/0377-0427(89)90150-7__Journal of Computational and Applied Mathematics, 1989, pp. 97–123, doi:10.1016/0377-0427(89)90150-7.
LibreCat: /record/16682
DOI: 10.1016/0377-0427(89)90150-7

Hilgert, Joachim, and K. H. Hofmann. “Compactly Embedded Cartan Algebras and Invariant Cones in Lie Algebras.” Advances Math., vol. 75, 1989, pp. 168–201.
LibreCat: /record/51448

Hilgert, Joachim. “A Note on Howe’s Oscillator Semigroup.” Ann. Inst. Fourier, vol. 39, 1989, pp. 663–88.
LibreCat: /record/51447