Search Results - "Ebert, Johannes"

Refine Results
  1. 1

    The two definitions of the index difference by EBERT, JOHANNES

    “…Given two metrics of positive scalar curvature on a closed spin manifold, there is a secondary index invariant in real K-theory. There exist two definitions of…”
    Get full text
    Journal Article
  2. 2
  3. 3

    pH neutralization and influence on mechanical strength in self-adhesive resin luting agents by Zorzin, Jose, Petschelt, Anselm, Ebert, Johannes, Lohbauer, Ulrich

    Published in Dental materials (01-06-2012)
    “…Abstract Objective The aim of this study was to evaluate if pH-neutralization behavior of self-adhesive resin cements has an influence on their mechanical…”
    Get full text
    Journal Article
  4. 4

    Growth Modification of Seeded Calcite by Carboxylic Acid Oligomers and Polymers: Toward an Understanding of Complex Growth Mechanisms by Aschauer, Ulrich, Ebert, Johannes, Aimable, Anne, Bowen, Paul

    Published in Crystal growth & design (01-09-2010)
    “…Polycarboxylate molecules and oligomers have been investigated as growth modifiers during seeded calcite precipitation. To better understand possible molecular…”
    Get full text
    Journal Article
  5. 5

    Q-Band LEO Earth Observation Data Downlink: Radiowave Propagation and System Performance by Cuervo, Felix, Ebert, Johannes, Schmidt, Michael, Arapoglou, Pantelis-Daniel

    Published in IEEE access (2021)
    “…Earth Exploration Satellite Service (EESS) systems gather data about the Earth and its natural phenomena. Frequency bands traditionally employed by high-rate…”
    Get full text
    Journal Article
  6. 6

    Bond Strength of Adhesive Cements to Root Canal Dentin Tested with a Novel Pull-out Approach by Ebert, Johannes, DMD, Leyer, Andrea, DMD, Günther, Oliver, Lohbauer, Ulrich, PhD, FADM, Petschelt, Anselm, DMD, PhD, Frankenberger, Roland, DMD, PhD, FICD, FADM, Roggendorf, Matthias Johannes, DMD

    Published in Journal of endodontics (01-11-2011)
    “…Abstract Introduction A novel approach to the pull-out test using silica-coated and silanized steel spreaders was designed to avoid influence from the…”
    Get full text
    Journal Article
  7. 7
  8. 8

    Index theory in spaces of manifolds by Ebert, Johannes

    Published in Mathematische annalen (01-06-2019)
    “…We formulate and prove a generalization of the Atiyah-Singer family index theorem in the context of the theory of spaces of manifolds à la Madsen, Tillmann,…”
    Get full text
    Journal Article
  9. 9

    Influence of Moisture on the Apical Seal of Root Canal Fillings With Five Different Types of Sealer by Roggendorf, Matthias Johannes, DMD, Ebert, Johannes, DMD, Petschelt, Anselm, DMD, PhD, Frankenberger, Roland, DMD, PhD, FICD

    Published in Journal of endodontics (2007)
    “…Abstract The aim of this study was to evaluate the influence of moisture on apical leakage using five different types of sealer. There were 120 single-rooted…”
    Get full text
    Journal Article
  10. 10

    On the homotopy type of the space of metrics of positive scalar curvature by Ebert, Johannes, Wiemeler, Michael

    “…Let M^d be a simply connected spin manifold of dimension d \geq 5 admitting Riemannian metrics of positive scalar curvature. Denote by \mathcal{R}^+(M^d) the…”
    Get full text
    Journal Article
  11. 11
  12. 12

    Some rational homology computations for diffeomorphisms of odd‐dimensional manifolds by Ebert, Johannes, Reinhold, Jens

    Published in Journal of topology (01-03-2024)
    “…We calculate the rational cohomology of the classifying space of the diffeomorphism group of the manifolds Ug,1n:=#g(Sn×Sn+1)∖int(D2n+1)$U_{g,1}^n:= \#^g(S^n…”
    Get full text
    Journal Article
  13. 13

    Infinite loop spaces and positive scalar curvature by Botvinnik, Boris, Ebert, Johannes, Randal-Williams, Oscar

    Published in Inventiones mathematicae (01-09-2017)
    “…We study the homotopy type of the space of metrics of positive scalar curvature on high-dimensional compact spin manifolds. Hitchin used the fact that there…”
    Get full text
    Journal Article
  14. 14

    The Gromov–Lawson–Chernysh surgery theorem by Ebert, Johannes, Frenck, Georg

    “…This is an expository article without any claim of originality. We give a complete and self-contained account of the Gromov–Lawson–Chernysh surgery theorem for…”
    Get full text
    Journal Article
  15. 15
  16. 16

    Tautological classes and higher signatures by Ebert, Johannes

    Published 05-03-2024
    “…For a bundle of oriented closed smooth $n$-manifolds $\pi: E \to X$, the tautological class $\kappa_{\mathcal{L}_k} (E) \in H^{4k-n}(X;\mathbb{Q})$ is defined…”
    Get full text
    Journal Article
  17. 17
  18. 18

    Torelli spaces of high‐dimensional manifolds by Ebert, Johannes, Randal-Williams, Oscar

    Published in Journal of topology (01-03-2015)
    “…The Torelli group of a manifold is the group of all diffeomorphisms which act as the identity on the homology of the manifold. In this paper, we calculate the…”
    Get full text
    Journal Article
  19. 19

    Expectation-Maximization for Scheduling Problems in Satellite Communication by Bailer, Werner, Winter, Martin, Ebert, Johannes, Flavio, Joel, Plimon, Karin

    “…In this paper we address unsupervised machine learning for two use cases in satellite communication, which are scheduling problems: (i) Ka-band frequency plan…”
    Get full text
    Conference Proceeding
  20. 20

    Do Contaminating Substances Influence the Rheological Properties of Root Canal Sealers? by de Freitas, Jéssica Vavassori, Ebert, Johannes, Mazzi-Chaves, Jardel Francisco, de Sousa-Neto, Manoel Damião, Lohbauer, Ulrich, Baratto-Filho, Flares

    Published in Journal of endodontics (01-02-2020)
    “…This study evaluated the effect of residual substances derived from irrigant solutions and intracanal medications on the rheological properties of a silicone,…”
    Get full text
    Journal Article