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Veröffentlichungen am Institut für Mathematik seit 1990

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Hotz, Thomas; Kelma, Florian; Wieditz, Johannes;
Non-asymptotic confidence sets for circular means. - In: Entropy : an international and interdisciplinary journal of entropy and information studies. - Basel : MDPI, ISSN 1099-4300, Bd. 18 (2016), 10, 375, insges. 13 S.

http://dx.doi.org/10.3390/e18100375
Adamaszek, Anna; Adamaszek, Michal; Mnich, Matthias; Schmidt, Jens M.;
Lower bounds for locally highly connected graphs. - In: Graphs and combinatorics - Tokyo : Springer-Verl. Tokyo, ISSN 1435-5914, Bd. 32 (2016), 5, S. 1641-1650

http://dx.doi.org/10.1007/s00373-016-1686-y
Neundorf, Werner;
Die mathematische Zauberkiste : Mathematik für alle : mathematische Knobeleien : Zeige mal, was du kannst!
Um ein Drittel erweiterte Ausgabe - Ilmenau : Unicopy-Campus-Ed., 2016 - V, 538 Seiten. . - (Ilmenauer Editionen)
Ilchmann, Achim;
EAGLE-Starthilfe Mathematik und Gesellschaft : zur Funktion der angewandten Mathematik - Leipzig : Edition am Gutenbergplatz Leipzig, 2016 - 97 Seiten. . - (Eagle. - 093. Eagle-Starthilfe) ISBN 978-3-95922-093-4
Literaturverzeichnis: Seite 91-94

Harant, Jochen; Kemnitz, Arnfried;
Lower bounds on the sum choice number of a graph. - In: Electronic notes in discrete mathematics - Amsterdam : Elsevier Science, ISSN 1571-0653, Bd. 53 (2016), S. 421-431

http://dx.doi.org/10.1016/j.endm.2016.05.036
Eichfelder, Gabriele; Krüger, Corinna; Schöbel, Anita;
Decision uncertainty in multiobjective optimization - Ilmenau : Technische Universität, Institut für Mathematik, 2016 - 1 Online-Ressource (27 Seiten). . - (Preprint. - M16,06)

In many real-world optimization problems, a solution cannot be realized in practice exactly as computed, e.g., it may be impossible to produce a board of exactly 3.546˜mm width. Whenever computed solutions are not realized exactly but in a perturbed way, we speak of decision uncertainty. We study decision uncertainty in multiobjective optimization problems and we propose the concept decision robust efficiency for evaluating the robustness of a solution in this case. Therefore, we address decision uncertainty within the framework of set-valued maps. First, we prove that convexity and continuity are preserved by the resulting set-valued mappings. Second, we obtain specific results for particular classes of objective functions that are relevant for solving the set-valued problem. We furthermore prove that decision robust efficient solutions can be found by solving a deterministic problem in case of linear objective functions. We also investigate the relationship of the proposed concept to other concepts in the literature.



https://www.db-thueringen.de/receive/dbt_mods_00030032
Leben, Leslie;
Non-negative operators in Krein spaces and rank one perturbations - Ilmenau : Universitätsverlag Ilmenau, 2016 - Online-Ressource (116 Seiten, 6.65 MB).
Technische Universität Ilmenau, Dissertation 2016

In der vorliegenden Arbeit werden eindimensionale Störungen von nichtnegativen Operatoren in Kreinräumen betrachtet. Dabei wird untersucht wie sich die Anzahl der Eigenwerte und deren Vielfachheit in einer Lücke des essentiellen Spektrums unter einer Störung ändern können. Zudem wird beschrieben wie sich an einem Eigenwert die Anzahl und die Länge der linear unabhängigen Jordanketten ändern können.



https://www.db-thueringen.de/receive/dbt_mods_00029981
Worthmann, Karl; Proch, Michael; Braun, Philipp; Schlüchtermann, Jörg; Pannek, Jürgen;
Towards dynamic contract extension in supplier development. - In: Logistics research - Berlin : Springer, ISSN 1865-0368, Bd. 9.2016, Article 14, insg. 12 Seiten

We consider supplier development within a supply chain consisting of a single manufacturer and a single supplier. Because investments in supplier development are usually relationship-specific, safeguard mechanisms against the hazards of partner opportunism have to be installed. Here, formal contracts are considered as the primary measure to safeguard investments. However, formal contracts entail certain risks, e.g., a lack of flexibility, particular in an ambiguous environment. We propose a receding horizon control scheme to mitigate possible contractual drawbacks while significantly enhancing the supplier development process and, thus, to increase the overall supply chain profit. Our findings are validated by a numerical case study.



http://hdl.handle.net/10419/157739
Fabrici, Igor; Harant, Jochen; Jendrol', Stanislav;
On longest cycles in essentially 4-connected planar graphs. - In: Discussiones mathematicae. Graph theory / Uniwersytet Zielonogórski / Wydział Matematyki, Informatyki i Ekonometrii. - Warsaw : De Gruyter Open, 1995- ; ZDB-ID: 2568813-3, ISSN 2083-5892, Bd. 36 (2016), 3, S. 565-575

http://dx.doi.org/10.7151/dmgt.1875
Worthmann, Karl; Mehrez, Mohamed W.; Zanon, Mario; Mann, George K. I.; Gosine, Raymond G.; Diehl, Moritz;
Model predictive control of nonholonomic mobile robots without stabilizing constraints and costs. - In: IEEE transactions on control systems technology : a publication of the IEEE Control Systems Society. - New York, NY : IEEE, ISSN 1558-0865, Bd. 24 (2016), 4, S. 1394-1406

http://dx.doi.org/10.1109/TCST.2015.2488589