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- Technische Universität DresdenDE86 papers
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14 papers · 1 filter
Dirac-Equation Signal Processing: Physics Boosts Topological Machine Learning
Runyue Wang, Yu Tian, Pietro Liò +1
Topological signals are variables or features associated with both nodes and edges of a network. Recently, in the context of Topological Machine Learning, great attention has been…
Active screws: Emergent active chiral nematics of spinning self-propelled rods
Debarghya Banerjee, Lauritz Hahn, Ricard Alert
Several types of active agents self-propel by spinning around their propulsion axis, thus behaving as active screws. Examples include cytoskeletal filaments in gliding assays, magn…
(Un)buckling mechanics of epithelial monolayers under compression
Chandraniva Guha Ray, Pierre A. Haas
When cell sheets fold during development, their apical or basal surfaces constrict and cell shapes approach the geometric singularity in which these surfaces vanish. Here, we revea…
Mechanics of poking a cyst
Shiheng Zhao, Pierre A. Haas
Indentation tests are classical tools to determine material properties. For biological samples such as cysts of cells, however, the observed force-displacement relation cannot be e…
Buckling by disordered growth
Rahul G. Ramachandran, Ricard Alert, Pierre A. Haas
Buckling instabilities driven by tissue growth underpin key developmental events such as the folding of the brain. Tissue growth is disordered due to cell-to-cell variability, but…
Dynamical arrest in active nematic turbulence
Ido Lavi, Ricard Alert, Jean-François Joanny +1
Active fluids display spontaneous turbulent-like flows known as active turbulence. Recent work revealed that these flows have universal features, independent of the material proper…