Past: global-dyn | Past: bio-delay-feedb | Public | Grants | Projects | <<
Space Weather & Climate, Atmospheric Electro/Photochemistry, Environmental Physiology
Astrophysical processes, (galactic) cosmic rays & planetary atmospheres. Solar wind-magnetosphere-ionosphere dynamics/feedback. Geosphere vertical coupling. Atmospheric electric circuit. Energetic particles, radiochemistry, biogenic processes, extremal life. Environmental/climate adaptation: metabolic, developmental & regenerative processes. Dynamic plasmonic metamaterials. Info-channel duality.
Bioenergetics & Photochemistry of Water and Atmospheric Gases
Atmospheric-salt/water electro/photochemistry. Redox & bioinorganic (photo)catalysis, adaptive cellular respiration. Climate-specific bioenergetics (dynamics, radiation/humidity/ventilation, high altitudes vs. arctic). Temperature/pressure/radiation resistance, cellular defense & death (ROS, RNS). Embryonic time & regenerative differentiation. Diffusers 4 dynamic elm spectrum. Bremsstrahlung. Complex optics, remote sensing. F-light.
Heterogeneity, Information-Energy Management, Elm/vibr-Wave Propagation
Space-time heterogeneity: distributed structures & interactions. Availability and efficiency: information & energy management of heterogeneous sources. Smoothness for rare events: memory-enabled, anticipative regulation. Signal propagation: information perception & transmission, bio-tissues as elm/vibr (meta)materials. Physiological illumination: concepts, sources, strategies. Time.
Light-Matter Interaction, bio-Photonic Structures
Adaptive mining of predictable elm spectra. Polarity & magnetic sensing beyond vision, Zeeman-Doppler. Scattering from structured, nano-dynamic surfaces. Curvatures, light trapping, billiards. Relativity of measurement, global reference vs. ad hoc. Physics & chemistry of color. Chiral chromophores as asymmetric graphs, photocatalysis. Dynamic perturbation, metastable conformations.
Dynamic Information Accessibility, Adaptive Processing
Electromagnetic spectra variation and intracellular clocks. Adaptive anticipation optimizes cellular division/differentiation decision making, and controls boundary formation in a structuring population.
Topology, Delay, and Dynamics in Adaptive Systems
Spatiotemporal dynamics of delay-differential equation systems, modeling fundamental regulatory processes in adaptive (bio)materials. Global attractor, transient behavior, graph topology, (re)synchronizability, boundaries.
Intersections
(Graph) topology, low-dimensional projections, conditional probability, and temporal coupling of independent processes. Memory, recurrence. Spatiotemporal information distribution, dynamics, accessibility, and reconstruction. Design.
Geometry, Dynamics, and Regulation in Biological Questions
Decision processes and adaptability during development&adulthood, biological clocks. Multi-timescale setting in dynamic control of gene expression. Delays and stability, global structure&dimensionality of solutions. Signal propagation and synchronizability in coupled networks. Spatiotemporal properties and evolution of global attractors, adaptive induction. [Thesis].
Global Attractor Reconstruction from n-dimensional Time Series
Identification of finite-time invariant manifolds, relative attractor-repeller pairs, and existence of a global attractor estimated from real spatiotemporal data (such as 3D live-cell fluorescence microscopy). Partial hyperbolicity.
Diurnal Rhythms of Photosynthesis and Nitrogen Fixation in Cyanobacteria
Good timing of mutually exclusive metabolic processes enables workshift, and adaptation to (quasi)periodic light sources [with L. Nedbal, Z. Benedikty, J. Cerveny, and H. Pakrasi].
Delay Transcription Autoregulation in Embryonic Clock
Gene regulatory network, transient vs. asymptotic behavior. Invariant sets, stability, bifurcations, and global attractor structure in delay-differential negative feedback loop model [with R. Ouifki and K. Pakdaman].
Abstract Multi-timescale Model of Neuroendocrine-Immune System
Developing neuroendocrine-immune system model based on structural and functional classification of inter-cellular signaling. Fully discretized description leads to rule-based formalism approximating dynamic behavior.
Food Allergy, Breast Feeding, and Intestinal Microflora
Cellular and humoral features of developing immune system under genetic predisposition of atopy [formerly with I. Nentwich, consultations for T. Vallaeys].