PD Dr. Nicolai Bissantz

PD Dr. Nicolai Bissantz
Director of Studies i.H.

Ruhr-Universitaet Bochum
Department of Mathematics
Institute of Statistics
44780 Bochum
Germany

Building NA 3/70
Tel.:+49 (0)234 / 32 23291
Fax: +49 (0)234 / 32 14559

Email: Nicolai.Bissantz(at)ruhr-uni-bochum.de



Office hours

By appointment per e-mail

Research Interests

Statistical Inverse Problems
Model selection and testing
Statistical applications in science
Reconstruction methods in medical and biological imaging

Lectures

See Lectures

Statistical Consulting

See Statistical Consulting

Press releases

Präzisere Diagnostik mit medizinischen Bildgebungsverfahren
Neues Projekt beim Bundesministerium für Bildung und Forschung (BMBF).
Pressestelle RUB, Bochum, 24.02.2017

(Mis)Use of Statistics in Science
Interview with PD Dr. Nicolai Bissantz.
Journal of Unsolved Questions, Vol. 6, Issue 2, July 2016, Page XXXI

RUB-Statistiker helfen bei Mittelvergabe
Gelder sollen gerechter verteilt werden.
WAZ, Dienstag, 05.05.2015.

RUB-Statistiker unterstützen Landesregierung
Gelder aus dem Bildungs- und Teilhabepaket gerechter verteilen - Auf Gutachten folgt Gesetzesentwurf
Pressestelle RUB, Bochum, 04.05.2015

Kapitalanlagen vor Krisen schützen
Bochumer und Dortmunder Statistiker entwickeln neue Handelsstrategie für Portfolios
Pressestelle RUB, Bochum, 16.05.2011 Nr. 152

Höhere Kollisionsgefahr für die Milchstrasse,
Spiegel Online, 6. Januar 2009

Astrophysicists Map Milky Way's Four Spiral Arms,
Pressestelle RUB, 6. Januar 2009

more press releases about Milky Way

Publications

  • Bondzio, L., Scheit, M., Berghaus, B., Bissantz, N., Bakaba, J.E. und Ortlepp, J. (2017).
    Sicherung von bevorrechtigten umlaufenden Radwagen an innerörtlichen Kreisverkehren.
    Gesamtverband der Deutschen Versicherungswirtschaft e.V., Forschungsbericht Nr. 46.
  • Lucka, F., Proksch, K., Brune, C., Bissantz, N., Burger, M., Dette, H. and Wübbeling, F. (2017).
    Risk estimators for choosing regularization parameters in ill-posed problems - properties and limitations.
    Submitted for publication (Preprint)
  • Eckle, K., Bissantz, N., Dette, H., Proksch, K. Einecke, S. (2017+).
    Multiscale inference for a multivariate density with applications to X-ray astronomy.
    Annals of the Institute of Statistical Mathematics, accepted for publication.
  • Pokorny, T., Vogler, I. Losch, R., Schlütting, P., Juarez, P., Bissantz, N., Ramirez, S.R. and Eltz, T. (2017+)
    Blown by the Wind: The Ecology of Male Courtship Display Behaviour in Orchid Bees.
    Ecology, accepted for publication.
  • Fyrbiak, M., Rokicki, Bissantz, N., Tessier, R. and Paar, C. (2017+)
    Hybrid Obfuscation against Disclosure Attacks for Low-cost Embedded Systems.
    IEEE Transactions on Computers, accepted for publication.
  • Eckle, K., Bissantz, N. and Dette, H. (2016)
    Multiscale inference for multivariate deconvolution.
    Submitted for publication (Preprint)
  • Bissantz, N., Chown, J., and Dette, H. (2016).
    Regularization parameter selection in indirect regression by residual based bootstrap.
    Submitted for publication (Preprint)
  • Eckle, K., Bissantz, N., Dette, H., Proksch, K. Einecke, S. (2016).
    Multiscale inference for a multivariate density with applications to X-ray astronomy.
    Submitted for publication (Preprint)
  • Bissantz, H., Dette, N., Hildebrandt, T. and Bissantz, K. (2016).
    Smooth backfitting in additive inverse regression. Annals of the Institute of Statistical Mathematics 68(4), 827-853.
  • Michalak, J., Probst, T., Heidenreich, T. Bissantz, N. and Schramm, E. (2016).
    Mindfulness-based Cognitive Therapy and a group version of Cognitive Behavioral Analysis System of Psychotherapy for chronic depression: Follow-up data of a randomized controlled trial and the moderating role of childhood adversities.
    Psychotherapy & Psychosomatics 85(6), 378-380.
  • Bissantz, K., Bissantz, N. and Proksch, K. (2015).
    Monitoring of significant changes over time in fluorescence microscopy imaging of living cells.
    Submitted for publication. (Preprint).
  • Proksch, K., Bissantz, N., Dette, H. (2015).
    Confidence bands for multivariate and time dependent inverse regression models. Bernoulli 21(1), 144-175.
  • Hildebrandt, T., Bissantz, N., Dette, H. (2014).
    Additive inverse regression models with convolution-type operators. Electronic Journal of Statistics 8, 1-40.
  • Wied, D., Arnold, M., Bissantz, N., Ziggel, D. (2013).
    Über die Anwendbarkeit eines neuen Fluktuationstests für Korrelationen auf Finanzzeitreihen, ursprüngliches Arbeitspapier: A new online-test for changes in correlations between assets. AStA Wirtschafts- und Sozialstatistisches Archiv 6(3), 87-103.
  • Bissantz, N., Holzmann, H. and Proksch, K. (2014).
    Confidence regions for images observed under the Radon transform. Journal of Multivariate Analysis 128, 86-107.
  • Bissantz, N., Holzmann, H. (2013).
    Asymptotics for spectral regularization estimators in statistical inverse problems. Computational Statistics, 28(2), 435-453.
  • Birke, M., Bissantz, N. (2012).
    Testing for symmetries in multivariate inverse problems. Journal of Multivariate Analysis 109, 236-253.
  • Bissantz, N., Dette, H., Proksch, K. (2012).
    Model checks in inverse regression models with convolution-type operators. Scandinavian Journal of Statistics 39 , 305-322.
  • Wied, D., Arnold, M. Bissantz, N. Ziggel, D. (2012).
    A new fluctuation test for constant variances with applications to finance. Metrika 75(8), 1111-1127.
  • Biedermann, S., Bissantz, N., Dette, H., Jones. E. (2011).
    Optimal designs for indirect regression. Inverse Problems 27 , 105003.
  • Bissantz, N., Jenke, A.C., Trampisch, M., Klaassen-Mielke, R., Bissantz, K., Trampisch, H.-J., Holland-Letz, T. (2011).
    Hospital-based, prospective multicentre surveillance to determine the incidence of intussusception in children aged below 15 years in Germany. BMC Gastroenterology 11:26.
  • Detloff, K.C., Zander, C.D., Bissantz, N., Ziggel, D. (2011).
    Seasonal variation in feeding activities of the facultative cleaner Symphodus melanocercus (Risso, 1810) in the Tyrrhenian Sea (Italy). Bulletin of Fish Biology 12(1/2), 15-26.
  • Bissantz, K., Bissantz, N., Ziggel, D. (2011).
    An empirical study of correlation and volatility changes of stock indices and their impact on risk figures. Acta Universitatis Danubius (Œconomica) 7(4) 127-141.
  • Bissantz, N., Steinorth, V., Ziggel, D. (2011).
    Stabilität von Diversifikationseffekten im Markowitz-Modell. AStA Wirtschafts- und Sozialstatistisches Archiv 5(2), 145-157.
  • Birke, M., Bissantz, N., Holzmann, H. (2010).
    Confidence bands for inverse regression models. Inverse Problems 26 115020.
  • Balabdaoui, F., Bissantz, K., Bissantz, N. and Holzmann, H. (2010).
    Demonstrating single- and multiple currents through the E. coli-SecYEG-pore: Testing for the number of modes of noisy observations. Journal of the American Statistical Association 105(489), 136-146.
  • Marek, C., Bissantz, N., Curio, E., Siegert, A., Tacud, B. and Ziggel, D. (2010).
    Spatial orientation of the Philippine bent-toed gecko (Cyrtodactylus philippinicus) in relation to its home range.
    Salamandra 46(2), 93-97.
  • Bissantz, N., Holzmann, H., Pawlak, M. (2010).
    Improving PSF calibration in confocal microscopic imaging - estimating and exploiting bilateral symmetry.
    Annals of Applied Statistics 4(4) , 1871-1891.
  • Bissantz, N., Birke, M. (2009).
    Asymptotic normality and confidence intervals for inverse regression models with convolution-type operators. Journal on Multivariate Analysis, 100(10), 2364-2375.
  • Anders, P., Baumgardt, H., Bissantz, N., Portegies Zwart, S. (2009).
    How well do STARLAB and NBODY4 compare? I: Simple models. Monthly Notices of the Royal Astronomical Society, 395(4) , 2304-2316.
  • Bissantz, N., Dümbgen, L., Munk, A., Stratmann, B. (2009).
    Convergence analysis of generalized iteratively reweighted least squares algorithms on convex function spaces. SIAM Journal on Optimization, 19 , 1828-1845.
  • Bissantz, N., Claeskens, G., Holzmann, H., Munk, A. (2009).
    Testing for lack of fit in inverse regression -- with applications to biophotonic imaging. J. Royal Statist. Society Ser. B., 71, 25-48.
  • Bissantz, N., Holzmann, H., Pawlak, M. (2009).
    Testing for image symmetries -- with application to confocal microscopy. IEEE Transactions on Information Theory, 55(4) .
  • Pohl, M., Englmaier, P., Bissantz, N. (2008).
    3D Distribution of Molecular Gas in the Barred Milky Way. Astrophysical Journal , 677 , 283-291.
  • Bissantz, N., Holzmann, H. (2008).
    Statistical Inference for Inverse Problems. Inverse Problems , 24(3) , 034009.
  • Bissantz, N., Mair, B., Munk, A. (2008).
    A statistical stopping rule for MLEM reconstructions in PET. IEEE Nucl. Sci. Symp. Conf. Rec., 8 , 4198-4200.
  • Bissantz, N., Mair, B., Munk, A. (2007).
    Stochastic multi-scale selection of the stopping index in PET. Proceedings in Applied Mathematics and Mechanics.
  • Bissantz, N., Dümbgen, L., Holzmann, H. and Munk, A. (2007).
    Nonparametric confidence bands in deconvolution density estimation. J. Royal Statist. Society Ser. B. 69 , 483-506.
  • Anders, P., Bissantz, N., Boysen, L., Fritze - v. Alvensleben, U., de Grijs, R. (2007).
    The young star cluster system in the Antennae: evidence for a turnover in the luminosity function. Monthly Notices of the Royal Astronomical Society, 377, 91-106.
  • Bissantz, N., Hohage, T., Munk, A., Ruymgaart, F. (2007).
    Convergence rates of general regularization methods for statistical inverse problems and applications. SIAM J. Numerical Analysis, 45 , 2610-2636.
  • Holzmann, H., Bissantz, N. und Munk, A. (2007).
    Density testing in a contaminated sample J. Multivariate Analysis, 98, 57-75.
  • Bissantz, N., Holzmann, H. (2007).
    Estimation of a quadratic regression functional using the sinc kernel J. Statist. Plann. Inference, 137, 712-719.
  • N. Bissantz, B. Mair, A. Munk (2006).
    A multi-scale stopping criterion for MLEM reconstructions in PET. IEEE Nucl. Sci. Symp. Conf. Rec., 6 , 3376-3379.
  • Bissantz, N. (2006).
    Iterative inversion methods for statistical inverse problems. Proc. of the conference "Phystat05"
    (Proceedings of the Conference on Statistical Problems in Particle Physics, Astrophysics and Cosmology, L. Lyons and M. K. “Unel, eds., Imperial College Press, London, 2006, pp. 263–266).
  • Jacobs, J., Kurby, S., Schöbel, A., Scholl, S., Bissantz, N., Güttler, S., Schaer, T. (2005).
    DisKon – Laborversion eines flexiblen, modularen und automatischen Dispositionsassistenzsystems Eisenbahntechnische Rundschau, 54, 809-821.
  • Bissantz, N., Holzmann, H. Munk, A. (2005).
    Testing parametric assumptions on band- or time-limited signals under noise. IEEE Transactions on Information Theory, 51, 3796-3805.
  • Munk, A., Bissantz, N., Wagner, T., Freitag, G. (2005).
    On difference based variance estimation in nonparametric regression when the covariate is high dimensional. J. Roy. Statist. Soc. Ser. B, 67, 19-41.
  • Bissantz, N., Hohage, T., Munk, A. (2004).
    Consistency and rates of convergence of nonlinear Tikhonov regularisation with random noise. Inverse Problems, 20, 1773-89.
  • Bissantz, N., Debattista, V., Gerhard, O. (2004).
    Large-Scale Model of the Milky Way: Stellar Kinematics and the Microlensing Event Timescale Distribution in the Galactic Bulge Astroph. Journ., 601, L155-L158.
  • Anders, P., Bissantz, N., Fritze-v. Alvensleben, U., de Grijs, R. (2004).
    Analysing observed star cluster SEDs with evolutionary synthesis models: Systematic uncertainties. Mon. Not. R. Astron. Soc., 347, 196-212.
  • Anders, P., de Grijs, R., Fritze-v. Alvensleben, U., Bissantz, N. (2004).
    Star Cluster Formation and Evolution in the Dwarf Starburst Galaxy NGC 1569. Mon. Not. R. Astron. Soc., 347, 17-28.
  • Bissantz, N., Englmaier, P., Gerhard, O. (2003).
    Gas Dynamics in the Milky Way: Second Pattern Speed and Large-Scale Morphology. Mon. Not. R. Astron. Soc., 340, 949-968.
  • Bissantz, N., Munk, A., Scholz, A. (2003).
    Parametric versus non-parametric modelling? Statistical evidence based on P-value curves. Mon. Not. R. Astron. Soc., 340, 1190-1198.
  • Bissantz, N., Munk, A. (2002).
    A graphical selection method for parametric models in noisy inhomogeneous regression. Mon. Not. R. Astron. Soc., 336, 131-138.
  • Bissantz, N., Munk, A. (2003).
    New goodness of fit techniques in noisy inhomogeneous regression problems. With an application to the problem of recovering of the luminosity density of the Milky Way from surface brightness data. "Statistical Challenges in Modern Astronomy III" (eds. Feigelson, E.D., Babu, G.J.) Springer, New York.
  • Bissantz, N., Gerhard, O. (2002).
    Spiral arms, bar shape and bulge microlensing in the Milky Way. Mon. Not. R. Astron. Soc., 330, 591-608.
  • Bissantz, N. (2001).
    Structure and dynamics of the inner Galaxy. Inauguraldissertation (Universität Basel).
  • Bissantz, N., Munk, A. (2001).
    New statistical goodness of fit techniques in noisy inhomogeneous inverse problems. With application to the recovering of the luminosity distribution of the Milky Way. Astron. & Astroph., 376, 735-744.
  • Bissantz, N., Munk, A. (2001).
    New Statistical Goodness of Fit Techniques Applied to the Recovery of the Milky Way Near-IR Luminosity Density Distribution - the 'Wild Bootstrap' Approach. "Galaxy Disks and Disk Galaxies" (eds. Funes S.J., J.G., Corsini, E.M.) ASP Conf. Ser., 230, 51-52.
  • Bissantz, N., Gerhard, O. (2001).
    Bulge Microlensing in the Milky Way. "Galaxy Disks and Disk Galaxies" (eds. Funes S.J., J.G., Corsini, E.M.) ASP Conf. Ser., 230, 49-50.
  • Bissantz, N., Gerhard, O. (2001).
    Spiral Arms, Bar Shape and Bulge Microlensing in the Milky Way. "Dynamics of Star Clusters and the Milky Way" (eds. Deiters, S., et al.) ASP Conf. Ser., 228, 389.
  • Binney, J., Bissantz, N., Gerhard, O. (2000).
    Is Galactic Structure Compatible with Microlensing Data? Astrophys. Journ., 537, L99-L102.
  • Bissantz, N., Gerhard, O. (2000).
    Tracing spiral structure in the Milky Way - spiral arms, bar shape and bulge microlensing. "Star 2000" conference (Heidelberg, 2000).
  • Bissantz, N., Englmaier, P., Binney, J., Gerhard, O. (1997).
    The microlensing optical depth of the COBE bulge. Mon. Not. R. Astron. Soc., 289, 651-659.
  • Bissantz, N. (1996).
    Gravitationslinsen. Tagungsband des IWAA Workshop 1996 über "Sterne und Sternsysteme".
  • Bissantz, N., Federspiel, M., Trefzger, Ch. (1994).
    Spektren von Mira-Sternen. Orion, 260, 41-45.