Hilgert, Joachim, and K.-H. Neeb, eds. Lie-Gruppen und Lie-Algebren. Wiesbaden: 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, 1991.
LibreCat: /record/51586

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

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

Hilgert, Joachim, and K.H. Hofmann. “On the Causal Structure of Homogeneous Manifolds.” Math. Scand. 67 (1990): 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.”https://doi.org/10.1016/0377-0427(89)90150-7__Journal of Computational and Applied Mathematics, 1989, 97–123.https://doi.org/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. 75 (1989): 168–201.
LibreCat: /record/51448

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

Hilgert, Joachim, K.H. Hofmann, and J.D. Lawson, eds. Lie Groups, Convex Cones, and Semigroups. Oxford: Oxford University Press, 1989.
LibreCat: /record/51498

Hilgert, Joachim. “Spectrally Ordered Lie Algebras.” In Group Theoretical Methods in Physics, edited by H.D. Doebner and et al., Vol. 313. Lecture Notes in Physics. New York: Springer, 1988.
LibreCat: /record/51485

Hilgert, Joachim. “Invariant Lorentzian Orders on Simply Connected Lie Groups.” Arkiv För Mat. 26 (1988): 107–15.
LibreCat: /record/51449

Hilgert, Joachim, and K.H. Hofmann. “Classification of Invariant Cones in Real Lie Algebras.” Bull. AMS 11 (1988): 441–46.
LibreCat: /record/51450

Hilgert, Joachim, and K.H. Hofmann. “Invariant Cones in Lie Algebras.” Semigroup Forum 37l. Semigroup Forum, 1988, 241–52.
LibreCat: /record/51451

Hilgert, Joachim. “Maximal Semigroups and the Support of Gauss-Semigroups.” In Probability and Baysian Statistics, edited by R. Viertl. New York: Plenum Press, 1987.
LibreCat: /record/51486

Hilgert, Joachim. “Maximal Semigroups and Controllability in Products of Lie Groups.” Archiv Math. 49 (1987): 189–95.
LibreCat: /record/51452

Hilgert, Joachim, and K.H. Hofmann. “Invariant Cones in Real Lie Algebras.” In Aspects of Positivity in Functional Analysis, edited by R. Nagel and et al. North Holland, 1986.
LibreCat: /record/51487

Hilgert, Joachim. “The Mayer-Vietoris and the Puppe Sequence in K-Theory for C*-Algebras.” Studia Math. 83 (1986): 97–104.
LibreCat: /record/51454

Hilgert, Joachim, and K.H. Hofmann. “On the Automorphism Group of Cones and Wedges.” Geom. Dedicata 21 (1986): 205–17.
LibreCat: /record/51453

Hilgert, Joachim, and K.H. Hofmann. “On Sophus Lie’s Fundamental Theorem.” J. Funct. Anal. 67 (1986): 1–27.
LibreCat: /record/51455

Hilgert, Joachim, K.H. Hofmann, and J.D. Lawson. “Controllabilty of Systems on Nilpotent Lie Groups.” Beiträge Alg. Geom. 20 (1985): 185–90.
LibreCat: /record/51456