Veröffentlichungen

2017

von Zelnik, Yuval, R.Uecker, Hannes, Feudel, Ulrike, Meron, Ehud (2017)
Desertification by front propagation?
Journal of theoretical biology. - London, 418.2017 (April).. - Seiten 27-35. - ISSN 1095-8541

 

2016

Wahl B, Feudel U, Hlinka J, Wächter M, Peinke J, Freund JA (2016)
Granger-causality maps of diffusion processes.

Phys. Rev. E 93, 022213.

Ansmann G, Lehnertz K, Feudel U (2016)
Self-induced switchings between multiple space-time patterns on complex networks of excitable units.
Phys. Rev. X 6, 011030.

Bialonski S, Caron DA, Schloen J, Feudel U, Kantz H, Moorthi S (2016):
Phytoplankton dynamics in the Southern California Bight indicate a complex mixture of transport and biology.
J. Plankton Res.

Ziegler, A., and Vortmeyer-Kley, R. (2016)
Physik, verständlich“, Europa-Lehrmittel, ISBN: 978-3-8085-5782-2, 2016.

Vortmeyer-Kley, R., Gräwe, U., and Feudel, U.(2016)
Detecting and tracking eddies in oceanic flow fields: a Lagrangian descriptor based on the modulus of vorticity,
Nonlin. Processes Geophys., 23, 159-173, doi:10.5194/npg-23-159-2016, 2016.

Ranzi, Paolo, Freund, Jan A, Thiel, Christiane M, Herrmann, Christoph S. (2016)
Encephalography connectivity on sources in male nonsmokers after nicotine administration during the resting state
Neuropsychobiology : official journal of the International Pharmaco-EEG Group (IPEG). - Basel, 74.2016, 1. - Seiten 48-59. - ISSN 1423-0224

2015

Holinde, Lars ; Badewien, Thomas H. ; Freund, Jan A. ; Stanev, Emil V. ; Zielinksi, Oliver
Processing of water level derived from water pressure data at the Time Series Station Spiekeroog
Earth system science data : ESSD. - Katlenburg-Lindau, 7.2015, 2. - Seiten 289-297. - ISSN 1866-3516

Lewandowska, Aleksandra Magdalena, Striebel, Maren, Feudel, Ulrike, Hillebrand, Helmut, Sommer, Ulrich (2015)
The importance of phytoplankton trait variability in spring bloom formation
ICES journal of marine science / International Council for the Exploration of the Sea. - Oxford, 72.2015, 67/8.. - Seiten 1908-1915. - ISSN 1095-9289

Bäbler M,  Biferale L, Brandt L, Feudel U, Guseva K, Lanotte A, Marchioli C, Picano F, Sardina G, Soldati A, Toschi F(2015):
Numerical simulations of aggregate breakup in bounded  and unbounded turbulent flows.
Journal of Fluid Mechanics 766, 104-128.

Joglekar M, Feudel U, Yorke JA (2015):
The geometry of the edge of chaos in a low-dimensional turbulent shear flow model.
Phys. Rev. E 91, 052903.

Hens C, Dana SK, Feudel U (2015):
Extreme multistability: Attractor manipulation and robustness.
CHAOS 25, 053112.

Savin DV, Kuznetsov AP, Savin AV, Feudel U (2015):
Different types of critical behavior in conservatively coupled Henon maps.
Phys. Rev. E 91, 062905.

2014

Helena Osterholz, Heike Simon, Melanie Beck, Jöran März, Siri Rackebrandt, Hans-Jürgen Brumsack; Ulrike Feudel, Meinhard Simon
Impact of diatom growth on trace metal dynamics (Mn, Mo, V, U)
Journal of sea research 87 2014 35-45

 

Patel MS, Patel U, Sen A, Sethia G, Hens C, Dana S, Feudel U, Showalter K, Ngonghala CN, Amritkar RE
Experimental observation of extreme multistability in an electronic system of two coupled Rössler oscillators.
Phys. Rev. E 89, 022918.

 

Hens C, Banerjee R, Feudel U, Dana S
Reply to Comment on ‘How to obtain extreme multistability in coupled nonlinear systems?’
Phys. Rev. E 89, 066902.

Pisarchik A, Feudel U (2014)
Control of multistability.
Phys. Rep. 540, 167-218.

Dutta PS, Kooi BW, Feudel U (2014)
Multiple resource limitation: non-equilibrium coexistence of species in a competition model using synthesizing unit.
Theor. Ecology 7, 407-421.

Chakraborty S, Feudel U
Harmful algal blooms: Combining excitability and competition.
Theor. Ecology 7, 221-237.

 

Karnatak R , Ramaswamy R, Feudel U
Conjugate coupling: cross-predation stabilizes food webs.
Chaos, Solitons & Fractals 68, 48-57.

Karnatak R, Ansmann G, Feudel U, Lehnertz K
Route to extreme events in excitable systems.
Phys. Rev. E 90, 022917.

 

Bengfort M, Feudel U, Hilker F, Malchow H
Plankton blooms and patchiness generated by heterogeneous environments. and plankton blooms generated by 2D turbulence.
Ecological Complexity 20, 185-194.

 

Arns M, Cerquera A, Rafael M. Gutiérrez RM, Hasselman F, Freund JA (2014)
Non-linear EEG analyses predict non-response to rTMS treatment in major depressive disorder.
Clinical Neurophysiology 125, 1392–1399.

2013

Gerrit Ansmann, Rajat Karnatak, Klaus Lehnertz, Ulrike Feudel
Extreme events in excitable systems and mechanisms of their generation
Physical Review E 88 2013 052911


Rajat Karnatak
Three-body interactions with time delay
Physical Review E 88 2013 032915,


Pooja Rani Sharma, Manish Dev Shrimali, Awadhesh Prasad, Ulrike Feudel
Controlling bistability by linear augmentation
Physics Letters 377 2013 2329-2332


Ksenia Guseva, Ulrike Feudel, Tamas Tel
Influence of the history force on inertial particle advection: Gravitational effects and horizontal diffusion
Physical Review E 88 2013 042909


Bob W. Kooi, Partha S. Dutta, Ulrike Feudel
Resource competition : a bifurcation theory approach
Mathematical modelling of natural phenomena 8 2013 165-185


Gutierrez, Ricardo Gutierrez, RicardoSevilla-Escoboza, Pablo Piedrahita, Christian Finke, Ulrike Feudel, Javier M. Buldu, Guillermo Huerta-Cuellar, Jaimes-Reategui Guillermo, Moreno Rider, Boccaletti, Stefano Yamir
Generalized synchronization in relay systems with instantaneous coupling
Physical Review E 88 2013 052908

2012

Jan A. Freund, Edwin Alexander Cerquera Soacha
How spurious correlations affect a correlation-based measure of spike timing reliability
Neurocomputing 81 2012 97-103


Jan A. Freund, Nico Grüner, Sabrina Brüse, Sabrina, Karen H. Wiltshire
Changes in the phytoplankton community at Helgoland, North Sea : lessons from single spot time series analyses
Marine biology 159 2012, 2561-2571


Nirmal Punetha, Rajat Karnatak, Awadhesh Prasad, J¨rgen; Kurths, Ram Ramaswamy
Frequency discontinuity and amplitude death with time-delay asymmetry
Physical review E 85 2012


Nirmal Punetha, Rajat Karnatak, Awadhesh Prasad, Jürgen Kurths, Ram Ramaswamy
Erratum: Frequency discontinuity and amplitude death with time-delay asymmetry
Phys. Rev. E 85 2012 046204


Dmitry V.;Savin, Alexey V. Savin, Alexey V. Kuznetsov, P. Alexander, Sergej P. Kuznecov, Ulrike Feudel
The self-oscillating system with compensated dissipation : the dynamics of the approximate discrete map
Dynamical systems 27 2012 117-129


Soma De, Partha Sharati Dutta, Soumitro Banerjee
Torus destruction in a nonsmooth noninvertible map
Physics letters A 2012 400-406


Alessandro Moura, Ulrike Feudel, Emmanuelle Gouillart
Mixing and chaos in open flows
Advances in applied mechanics 45 2012 1-50


Subhendu Chakraborty, Sabyasachi Bhattacharya, Ulrike Feudel, J. Chattopadhyay
The role of avoidance by zooplankton for survival and dominance of toxic phytoplankton
Ecological complexity 11 2012 144-153



C. R. Hens, R. Banerjee, Ulrike Feudel, Syamal K. Dana
How to obtain extreme multistability in coupled dynamical systems
Physical review E 852012 35202(R) 035202-1-035202-4


Jan A. Freund, Nico Grüner, Sabrina Bürse, Karen H. Wiltshire
Changes in the phytoplankton community at Helgoland, North Sea: lessons from single spot time series analyses
Mar. Biol. 159 (2012) 2561¿2571


Jan A. Freund, Alexander Cerquera
How spurious correlations affect a correlation-based measure of spike timing reliability
Neurocomputing 81 (2012) 97–103


Svetlana Postnova, Christian Finke. Martin T. Huber, Karheinz Voigt, Hans A. Braun:
Conductance­ based Models for the Evaluation of Brain Functions, Disorders, and Drug Effects, in:
Biosimulation in Biomedical Research, Health Care and Drug Development

(E. Mosekilde, O. Sosnovtseva, A. Hostami­Hodjegan, Eds.)
1st Edition, Springer 2012

2011

Dagmar Rocker, Thorsten Brinkhoff, Nico Grüner, Marco Dogs, Meinhard Simon
Composition of humic acid-degrading estuarine and marine bacterial communities
FEMS Microbiol Ecology (2011) 1–19


Christian Finke, Jan A. Freund, Epaminondas Rosa, Paul H. Bryant, Hans A. Braun, Ulrike Feudel:
Temperature-dependent stochastic dynamics of the Huber-Braun neuron model
Chaos 21 047510 (2011)


Hans A. Braun, Justus Schwabedal, Mathias Dewald, Christian Finke, Svetlana Postnova, Martin T. Huber,
Bastian Wollweber, Horst Schneider, Martin C. Hirsch, Karlheinz Voigt, Ulrike Feudel, Frank Moss:
Noise-induced precursors of tonic-to-bursting transitions in hypothalamic neurons and in a conductance-based model
Chaos 21 047509 (2011)


Malte Heinemann, Axel Timmermann, Ulrike Feudel:
Interactions between marine biota and ENSO: A conceptual model analysis
Nonlin. Processes Geophys. 18 (2011), 29-40


Joeran Maerz, Romaric Verney, Kai Wirtz, Ulrike Feudel:
Modeling flocculation processes: Intercomparison of a size class-based and a distribution-based model
Continental Shelf Research 31 (2011), 584-593

Jens C. Zahnow, Joeran Maerz, Ulrike Feudel:
Particle-based modeling of aggregation and fragmentation processes: Fractal-like aggregates
Physica D 240 (2011), 882-893

Calistus Ngonghala, Ulrike Feudel, Kenneth Showalter:
Extreme multistability in a chemical model system
Phys. Rev. E. 83 (2011), 056206

Amit Sharma, Manish Dev Shrimali, Awadhesh Prasad, Ram Ramaswamy, Ulrike Feudel:
The phase-flip transition in relay-coupled nonlinear oscillators
Phys. Rev. E. 84 (2011), 016226

Nico Grüner, Christina Gebühr, Maarten Boersma, Ulrike Feudel, Karen H. Wiltshire, Jan A. Freund:
Reconstructing the realized niche of phytoplankton species from environmental data: fitness versus abundance approach
Limnol. Oceanogr.: Methods 9 (2011), 432-442

Beate Rink, Nico Grüner, Thorsten Brinkhoff, Katja Ziegelmüller, Meinhard Simon
Regional patterns of bacterial community composition and biogeochemical properties in the southern North Sea
AME Vol. 63 (2011), No. 32

Alexander Cerquera, Jan A. Freund:
Fast estimation of motion from selected populations of retinal ganglion cells
Biol Cybern 104 (2011), 53–64

2010

Dirk Stiefs, George A.K. van Voorn, Bob W. Kooi, Ulrike Feudel, Thilo Gross:
Food quality in producer-grazer models: A generalized analysis
Am. Nat. 176 (2010), 367-380


David Bastine, Ulrike Feudel:
Inhomogeneous dominance patterns of competing phytoplankton groups in the wake of an island
Nonlin. Processes Geophys. 17 (2010), 715-731


Jan A. Freund:
Stochastic simulations of competing species
Modern Computational Science 10 (2010), 299-310


Christian Finke, Jan A. Freund, Epaminondas Rosa, Hans A. Braun, Ulrike Feudel:
On the role of subthreshold currents in the Huber-Braun cold receptor model
Chaos 20 (2010), 045107


Sebastian Mieruch, Stefan Noël, Heinrich Bovensmann, John P. Burrows, Jan A. Freund:
Markov chain analysis of regional climates
Nonlin. Processes Geophys. 17 (2010), 651-661


Christian Finke, Svetlana Postnova, Epaminondas Rosa, Jan A. Freund, Martin T. Huber, Karlheinz. Voigt, Frank E. Moss, Hans A.Braun, Ulrike Feudel:
Noisy activation kinetics induces bursting in the Huber-Braun neuron model
Eur. Phys. J. Special Topics 187 (2010), 199-203


Karen H. Wiltshire, Alexander Kraberg, Inka Bartsch, Maarten Boersma, Hans D. Franke, Jan Freund,
Christina Gebühr, Gunnar Gerdts, Karina Stockmann, Anja Wichels:
Helgoland Roads, North Sea: 45 Years of Change
Estuaries and Coasts 33, (2010), 295-310


Jan A. Freund, Alexander Nikitin, Nigel G. Stocks
Phase locking below rate threshold in noisy model neurons
Neural Computation 22 (2010), 599-620

Sebastian Mieruch, Jan A. Freund, Ulrike Feudel, Maarten Boersma, S. Janisch, Karen H. Wiltshire
A new method of describing phytoplankton blooms: Examples from Helgoland Roads
Journal of Marine Systems 79 (2010), 36–43


Svetlana Postnova, Christian Finke, Wuyin Jin, Horst Schneider, Hans A. Braun
A computational study of the interdependencies between neuronal impulse pattern,
noise effects and synchronization

Journal of Physiology - Paris 104 (2010) 176–189

2009

Thilo Gross, Ulrike Feudel
Local dynamical equivalence of certain food webs
Ocean dynamics 59, (2009), 417-427.


A. Shabunin, Ulrike Feudel, V. Astachov
Phase multistability and phase synchronization in an array of locally coupled period-doubling oscillators
Phys. Rev. E 80, (2009), 026211.


Dirk Stiefs, Ezio Venturino, Ulrike Feudel
Evidence of chaos in eco-epidemic models
Math. BioSci. Eng. 6, (2009), 855-871.


Jens Zahnow, Rafael D. Vilela, Tamas Tél, Ulrike Feudel
Coagulation and fragmentation dynamics of inertial particles
Phys. Rev. E 80, (2009), 026311.


Jens Zahnow , Ulrike Feudel
What determines the size distribution of heavy drops in synthetic turbulent flows?
Nonlin. Processes Geophys. 16, (2009), 677-690.


Thilo Gross, Andrew M. Edwards, Ulrike Feudel
The invisible niche: Weakly density-dependent mortality and the coexistence of species
J Theor. Biol. 258, (2009), 148-155.


Wolfgang Ebenhoeh, Martin Baurmann, Peter Harmand
Period 7 in a line of trees
Ecological Complexity 6, (2009), 172-182.


Ulrike Feudel, Martin Baurmann, Thilo Gross
Spatio-temporal patterns in simple models of marine systems
Geophys. Res. Abstracts Vol. 11, (2009)

R. Nisbet, K. Anderson, E McCauley, Ulrike Feudel
Spatial scale and population dynamics in advective media
Spatial Ecology (Eds.: Cantrell et al.) Chapman and Hall (Taylor & Francis) ISBN 9781420059854


Maik Grunwald, Olaf Dellwig, Melanie Beck, Joachim W. Dippner, Jan A. Freund,
Cora Kohlmeier, Bernhard Schnetger, Hans Jürgen Brumsack
Methane in the southern North Sea: Sources, spatial distribution and budgets
Estuarine, Coastal and Shelf Science 81 (2009), 445-456

Joeran Maerz, Kai Wirtz
Resolving physically and biologically driven suspended particulate matter dynamics in a tidal basin with a distribution-based model
Esmtuarine, Coastal and Shelf Science 84 (2009), 128-138

2008

Dirk Stiefs,Thilo Gross, Ezio Venturino, Ulrike Feudel
Computing 3D bifurcation diagrams
Numer. Anal. Appl. Math. 1048, (2008), 958-961


Mathias Sandulescu, Cristobal Lopez, Emilio Hernandez-Garcia, Ulrike Feudel
Biological activity in the wake of an Island close to a coastal upwelling
Ecological Complexity 5, (2008), 228-237


George Van Voorn, Dirk Stiefs,Thilo Gross, Bob Kooi, Ulrike Feudel, Bas Kooijman
Stabilization due to predator interference: comparison of different analysis approaches
Math. Biosci. Eng. 5, (2008), 567-583.


Ulrike Feudel
Complex dynamics in multistable systems
Int. J. Bifurcation & Chaos 18, (2008), 1607-1626.


Manish Dev Shrimali, Awadhesh Prasad, Ram Ramaswamy, Ulrike Feudel
The nature of attractor basins in multistable systems
Int. J. Bifurcation & Chaos 18, (2008), 1675-1688.


Dirk Stiefs, Thilo Gross, Ralf Steuer, Ulrike Feudel
Computation and visualisation of bifurcation surfaces
Int. J. Bifurcation & Chaos 18, (2008), 2191-2206


Frank Kwasniok F, Ulrike Feudel
The structure of predictability in a quasigeostrophic atmospheric model
Geophys. Res. Abstracts Vol. 10, (2008)


Michael Buschermöhle, Ulrike Feudel, Jan Freund
Enhanced signal detectability in comodulated noise introduced by compression
Biolgical Cybernetics 99 (2008), 491-502

Alexander Cerquera, Martin Greschner, Jan Freund
Classifying the motion of visual stimuli from
the spike responses of a population of retinal ganglion cells

Proceedings of the 30^th Annual International IEEE EMBS Conference, Vancouver, Canada, Aug 20-24 (2008), 4082-4085.


Jens C. Zahnow and Ulrike Feudel
Moving finite-size particles in a flow: A physical example of pitchfork bifurcations of tori
Phys. Rev. E 77 (2008), 026215: 1-10

Jens C. Zahnow, Rafael D. Vilela, Ulrike Feudel and Tamás Tél
Aggregation and fragmentation dynamics of inertial particles in chaotic flows
Phys. Rev. E 77 (2008), 055301(R): 1-4

2007

Yvonne Schmitz, Martin Baurmann, Bert Engelen, Ulrike Feudel
Pattern formation ofcompeting microorganisms in sediments
Math. Mod. Nat. Phenom. 2, (2007), 74-104


Kevin Bube, Thomas Klenke, Jan A. Freund, Ulrike Feudel
Statistical measures of distribution patterns of silicon and calcium in marine sedimentary layers
Nonlinear Processes in Geophysics, Vol. 14, (2007), 811-821

Michael Buchermöhle, Jesko L. Verhej, Ulrike Feudel, Jan A. Freund:
The role of auditory periphery in comodulation detection difference and comodulation masking release.
Biological Cybernetics Vol. 97, 2007, 397-411


Markus Harle, Ulrike Feudel
Hierarchy of islands in conservative systems yields multimodal distributions of FTLEs
Chaos, Solitons, and Fractals, Vol. 31 (2007), 130-137

Mark A. Bee, Michael Buschermöhle, Georg M. Klump
Detecting modulated signals in modulated noise: (II) neural thresholds in the songbird forebrain
European Joernal of Neuroscience Vol. 26, (2007), 1979-1994


Thilo Gross, Martin Baurmann, Ulrike Feudel, Bernd Blasius
Generalized models-a new tool for the investigation of ecological systems.
In: B. Blasius, J. Kurths and L. Stone (Eds.): Complex population dynamics:
Nonlinear Modeling in Ecology, Epidemiology and Genetics. World Scientific, Singapore, (2007)

Mathias Sandulescu, Cristobal Lopez, Emilio Hernandez-Garcia, Ulrike Feudel
Biological activity in the wake of an island close to a coastal upwelling
Geophysical Research Abstracts Vol. 9 (2007) 09533


Mathias Sandulescu, Cristobal Emilio Lopez, Emilio Hernandez-Garcia and Ulrike Feudel
Plankton blooms in vortices: the role of biological and hydrodynamics timescales
Nonlin. Processes Geophys. 14, (2007), 443-454


Ulrike Feudel and Mathias Sandulescu
Algenblüte in ozeanischen Wirbeln
Einblicke 45 (2007), 12-15


Martin Baurmann, Thilo Gross and Ulrike Feudel
Instabilities in spatially extended predator–prey systems: Spatio-temporal patternsin the neighborhood of Turing–Hopf bifurcations
J. Theor.  Biol.   245,  (2007),  220-229

2006

Ulrike Feudel, Martin Baurmann and Thilo Gross
Raumzeitliche Strukturbildung in der Nähe von Turing-Hopf Instabilitäten
In: T. Pöschel, H. Malchow and L. Schimansky-Geier (Eds.)
Irreversible Prozesse und Selbstorganization (Logos, Berlin, 2006) 303-311

Kevin Bube, Thomas Klenke, and Ulrike Feudel
An algorithm for detecting layer boundaries in sediments
Nonlin.  Processes Geophys.  13, (2006),  661-669


Jan A. Freund, Thorsten Pöschel, and Karen H. Wiltshire
Markovsche Analyse nasser Gemeinschaften
in Pöschel, T., Malchow, H. and Schimansky-Geier, L., (eds.)
Irreversible Prozesse und Selbstorganisation, (Logos, Berlin, 2006), 99-110

Jan A. Freund, Sebastian Mieruch, Bettina Scholze, Karen Wiltshire, and Ulrike Fleude
Bloom dynamics in a seasonally forced phytoplankton-zooplankton model:
Trigger mechanisms and timing effects

Ecological Complexity. 3, (2006), 129-139


Michael Buchermöhle, Ulrike Feudel, Mark  A. Bee, Georg  M. Klump, and Jan A. Freund
Signal Detection Enhanced by Comodulated Noise
Fluctuation and Noise Letters.  6, (2006), No. 4, L339-L347

Kevin Bube, Camilo Rodrigues Neto, Reik Donner, Udo Schwarz, and Ulrike Feudel Linear and nonlinear characterization of surfaces from a laser beam melt ablation process
J. Phys. D: Appl. Phys. 39, (2006), Pages 1405-1412


Markus Harle, Frank Kwasniok, and Ulrike Feudel
Growth of finite errors in ensemble prediction
Nonlin. Processes Geophys., 13, (2006), 167-176

Thilo Gross, Ulrike Feudel
Generalized models as an universal approach to the analysis of nonlinear dynamical systems
Physical Review E 73 (2006), 016205.

2005

Martin Baurmann, Wolfgang Ebenhöh and Ulrike Feudel
Bakterien-Nährstoffmodell: Muster im Wattsediment
Einblicke 41, (2005), 22-24

Manish Dev Shrimali, Awadhesh Prasad, Ramakrishna Ramaswamy and Ulrike Feudel
Basin bifurcation in coupled quasiperiodically forced systems
Phys. Rev. E 72 (2005), 036215: 1-8


Sandip Datta, Ulrike Feudel, Surendra Negi, and Ramakrishna Ramaswamy
Critical strange nonchaotic dynamics in the fibonacci map
Int. J. Bifurcation & Chaos 15,  (2005), 1493-1501.

Thilo Gross, Wolfgang Ebenhöh, and Ulrike Feudel
Long food chains are in general chaotic
Oikos   109,  (2005), 135-144.


S. Liepelt, J.A. Freund, L. Schimansky-Geier, A. Neiman, and D.F. Russell
Information processing in noisy burster models of sensory neurons
J. Theor. Biol.  237, (2005), 30-40.

Markus Harle and Ulrike Feudel
On the relation between predictability and homoclinic tangencies
Int. J.  Bifurcation & Chaos,  15,  (2005), 2523-2534



2004

Frank Kwasniok
Empirical low-order models of barotropic flow
Journal of the Atmospheric Sciences 61, (2004), 235-245.

Frank Kwasniok, L.A. Smith
Real-time construction of optimized predictors from data streams
Physi. Re. Lett. 92, (2004), 164101.


Pedro G. Lind, Sven Titz, Till Kuhlbrodt, Joao A. Corte-Real, Jürgen Kurths, Jason A. C. Gallas, and Ulrike Feudel
Coupled bistable maps: A tool to study convection parametrization in ocean models
Int. J. Bifurcation & Chaos 14, (2004), 999-1016.

Anna Vasylenko, Yuri Maistrenko, Orla Feely, and Ulrike Feudel
Mode-locking in quasi-periodically forced systems with very small driving frequency
Int. J. Bifurcation & Chaos 14, (2004), 1643-1654.


Camilo Rodrigues Neto, Kevin Bube, Adrienn Cser, Andreas Otto, and Ulrike Feudel
Multifractal spectrum of a laser beam melt ablation process
Physica A 344, (2004), 580-586.

Thilo Gross, Wolfgang Ebenhöh, and Ulrike Feudel
Enrichment and foodchain stability: the impact of different functional forms
J.  Theor.  Biol.  227, (2004), 349-358


Thilo Gross and Ulrike Feudel
Analytical search for bifurcation surfaces in paramter space
Physica D Volume 195,  (2004), 292-302

Martin Baurmann, Wolfgang Ebenhöh, and Ulrike Feudel
Turing Instabities and Pattern Formation in a Benthic Nutrient-Microorganism System
Mathematical Biosciences and Engineering Vol. 1 No.1 (2004), 111-130


Martin Baurmann Ulrike Feudel
Turing Patterns in a Simple Model of a Nutrient-Microorganism System in the Sediment
Ecological Complexity 1, (2004), 77-94

Sven Titz, Till Kuhlbrodt, and Ulrike Feudel
Grid geometry effects on convection in ocean climate models: a conceptual study
Ocean Modelling  7, (2004), 165-181


2003

Suso Kraut and Ulrike Feudel
Noise-induced escape through a chaotic saddle: lowering of the activation energy
Physica D 181, (2003), 222-234

Ulrike Feudel and Celso Grebogi
Why Are Chaotic Attractors Rare in Multistable Systems?
Phys. Rev. Lett.  91, (2003), 134102: 1-4


Eireen Neumann, Irina Sushko, Yuri Maistrenko and Ulrike Feudel
Synchronization and desynchronization under the influence of quasiperiodic forcing
Phys. Rev. E 67,  (2003), 026202: 1-15

Suso Kraut and Ulrike Feudel
Enhancement of noise-induced escape through the existence of a chaotic saddle
Phys. Rev. E 67,  (2003), 015204: 1-4


Jan Freund, Sylvain Barbay, Stefano Lepri, Alessandro Zavatta, and Giovanni Giacomelli
Noise-induced phase synchronization: Theoretical and experimental results
Fluctuation and Noise Letters Vol.3,  (2003), L195-L204.

Jan Freund, Lutz Schimansky-Geier, and Peter Hänggi
Frequency and phase synchronization in stochastic systems
Chaos  13, (2003), 225-238.


Thorsten Pöschel and Jan Freund
How to decide whether small samples comply with an equidistribution
BioSystems 69, (2003), 63-72.


2002

Suso Kraut and Ulrike Feudel
Multistability, noise, and attractor hopping: The crucial role of chaotic saddles
Phys. Rev. E 66, Issue 1  ( July 2002), 015207: 1-4

Ulrike Feudel, Alexander  Neiman, Xing Pei, Wilfried Wojtenek, and Frank Moss
Homoclinic bifurcation in a thermally sensitive neuron. In: Experimental Chaos
(Eds. S. Boccaletti, B.J. Gluckman, J. Kurths, L.M. Pecora and M.L. Spano),

AIP Proceedings Vol 622, (2002), 139-148.


Sven Titz, Till Kuhlbrodt, Stefan Rahmstorf, and Ulrike Feudel
On freshwater-dependent bifurcations in box models of the interhemispheric thermohaline circulation
Tellus A 54 (2002), 89-98.

Thomas Pohl, Ulrike Feudel, and Werner Ebeling
Bifurcations of a semiclassical atom in a periodic field
Phys. Rev. E 65, Issue 4 ( April 2002), 046228: 1-12


Jaroslav Stark, Ulrike Feudel, Paul A. Glendinning, and Arkady Pikovsky
Rotation numbers for quasi-periodically forced monotone circle maps
Dynamical Systems 17 (2002) 1-28.

Sven Titz, Till Kuhlbrodt, and Ulrike Feudel
Homoclinic bifurcation in an ocean circulation box model.
Int. J. Bifurcation & Chaos 12 No. 4 ( April 2002) 869-875.



2001

Till Kuhlbrodt, Sven Titz, Ulrike Feudel, and Stefan Rahmstorf
A simple model of seasonal open ocean convection, part II: Labrador sea stability and stochastic forcing
Ocean Dynamics 52,  (2001), 36-49.

Hinke Osinga, Jan Wiersig, Paul Glendinning, and Ulrike Feudel
Multistability and nonsmooth bifurcations
Int. J. Bifurcation & Chaos 11,  (2001), 3085-3105.

2000

Tomasz Kapitaniak, Karol Zyczkowski, Ulrike Feudel, and Celso Grebogi
Analog to digital conversion in physical measurements
Chaos, Soliton and Fractals 11,  (2000), 1247-1252.


Ulrike Feudel, Alexander Neiman, Xing Pei, Wilfried  Wojtenek, Hans Braun, Martin Huber, and Frank Moss
Homoclinic bifurcation in a Hodgkin-Huxley model of thermally sensitive neurons
Chaos 10,  (2000), 231-239


Paul Glendinning, Ulrike Feudel, Arkady  Pikovsky, and Jaroslav Stark
The Structure of phase-lockings in the quasiperiodically forced circle map
Physica D 140,  (2000), 227-243.


Hinke Osinga and U. Ulrike Feudel
Boundary crisis in quasiperiodically forced systems
Physica D 141,  (2000), 54-64.