Dr. Nicolai Bissantz
Studiendirektor i.H.
Ruhr-Universität Bochum
Fakultät für Mathematik
Lehrstuhl für Stochastik
44780 Bochum
Deutschland
Gebäude NA 3/70
Tel.: +49 (0)234 / 32 23291
Fax: +49 (0)234 / 32 14559
Email: Nicolai.Bissantz(at)ruhr-uni-bochum.de
Sprechzeiten:
Montags 12-13 Uhr und nach persönlicher Vereinbarung,
in den Semesterferien nach persönlicher Vereinbarung
Arbeitsgebiete:
- Statistische Inverse Probleme
- Modellwahl und Tests in Inversen Problemen
- Angewandte Statistik in Naturwissenschaften und Technik
- Rekonstruktionsverfahren in der medizinischen und biologischen Bildgebung
Vorlesungen:
Statistische Beratung:
Presse
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
Weitere Pressemitteilungen über die Milchstraße
Publikationen:
- Hildebrandt, T., Bissantz, N., Dette, H. (2013).
Additive inverse regression models with convolution-type operators. Eingereicht zur Veröffentlichung. (Preprint). - Proksch, K., Bissantz, N., Dette, H. (2012).
Confidence bands for multivariate and time dependent inverse regression models. Eingereicht zur Veröffentlichung. (Preprint). - Birke, M., Bissantz, N. (2012).
Testing for symmetries in multivariate inverse problems. Journal of Multivariate Analysis 109, 236-253. - Bissantz, N., Holzmann, H. (2012).
Asymptotics for spectral regularization estimators in statistical inverse problems. Erscheint in: Computational Statistics. - Bissantz, N., Dette, H., Proksch, K. (2012).
Model checks in inverse regression models with convolution-type operators. Scandinavian Journal of Statistics 39 , 305-322. (Preprint). - Biedermann, S., Bissantz, N., Dette, H., Jones. E. (2011).
Optimal designs for indirect regression. Inverse Problems 27 , 105003. - Wied, D., Arnold, M. Bissantz, N. Ziggel, D. (2011).
A new fluctuation test for constant variances with applications to finance. Eingereicht zur Veröffentlichung. (Preprint). - 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. (2010).
Saisonale Variation im Nahrungsverhalten des fakultativen Putzerfisches Symphodus melanocercus (Risso) im Tyrrhenischen Meer (Italien). Vorläufig angenommen bei: Bulletin of Fish Biology . - Bissantz, K., Bissantz, N., Ziggel, D. (2010).
Diversification effects between stock indices. Eingereicht zur Veröffentlichung. (Preprint). - Arnold, M., Bissantz, N., Wied, D., Ziggel, D. (2010).
A new online-test for changes in correlations between assets. (Preprint). - Bissantz, N., Steinorth, V., Ziggel, D. (2010).
Stabilität von Diversifikationseffekten im Markowitz-Modell. Vorläufig angenommen bei: Allgemeine Statistische Archiv. (Preprint). - Birke, M., Bissantz, N., Holzmann, H. (2010).
Confidence bands for inverse regression models. Inverse Problems 26 115020 (Preprint). - 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 (Preprint). - 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 (Preprint). - 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. (Preprint). - 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) . (Preprint). - Pohl, M., Englmaier, P., Bissantz, N. (2008).
3D Distribution of Molecular Gas in the Barred Milky Way. Astrophysical Journal , 677 , 283-291. (Preprint). - Bissantz, N., Holzmann, H. (2008).
Statistical Inference for Inverse Problems. Inverse Problems , 24(3) , 034009 (Preprint). - Bissantz, N., Mair, B., Munk, A. (2007).
Stochastic multi-scale selection of the stopping index in PET. Proceedings in Applied Mathematics and Mechanics. To appear (Preprint). - 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.(Preprint). - Holzmann, H., Bissantz, N. und Munk, A. (2007).
Density testing in a contaminated sample J. Multivariate Analysis, 98, 57-75. (Preprint). - Bissantz, N., Holzmann, H. (2007).
Estimation of a quadratic regression functional using the sinc kernel J. Statist. Plann. Inference, 137, 712-719 (Preprint). - 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 (Preprint). - 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 (Preprint). - 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.