Results 11 to 20 of about 32,147 (25)

Neural Contact Fields: Tracking Extrinsic Contact with Tactile Sensing [PDF]

arXiv, 2022
We present Neural Contact Fields, a method that brings together neural fields and tactile sensing to address the problem of tracking extrinsic contact between object and environment. Knowing where the external contact occurs is a first step towards methods that can actively control it in facilitating downstream manipulation tasks.
arxiv  

Sutures and contact homology I [PDF]

Geom. Topol. 15 (2011) 1749-1842, 2010
We define a relative version of contact homology for contact manifolds with convex boundary, and prove basic properties of this relative contact homology. Similar considerations also hold for embedded contact homology.
arxiv   +1 more source

A Unified Approach for Beam-to-Beam Contact [PDF]

, 2016
Existing beam contact formulations can be categorized in point contact models that consider a discrete contact force at the closest point of the beams, and line contact models that assume distributed contact forces. In this work, it will be shown that line contact formulations provide accurate and robust mechanical models in the range of small contact ...
arxiv   +1 more source

Disentangling genetic and environmental risk factors for individual diseases from multiplex comorbidity networks [PDF]

arXiv, 2016
Most disorders are caused by a combination of multiple genetic and/or environmental factors. If two diseases are caused by the same molecular mechanism, they tend to co-occur in patients. Here we provide a quantitative method to disentangle how much genetic or environmental risk factors contribute to the pathogenesis of 358 individual diseases ...
arxiv  

Topological contact dynamics II: topological automorphisms, contact homeomorphisms, and non-smooth contact dynamical systems [PDF]

arXiv, 2012
This sequel to our previous paper [MS11b] continues the study of topological contact dynamics and applications to contact dynamics and topological dynamics. We provide further evidence that the topological automorphism groups of a contact structure and a contact form are the appropriate transformation groups of contact dynamical systems.
arxiv  

Causal Networks of Infodemiological Data: Modelling Dermatitis [PDF]

arXiv
Environmental and mental conditions are known risk factors for dermatitis and symptoms of skin inflammation, but their interplay is difficult to quantify; epidemiological studies rarely include both, along with possible confounding factors. Infodemiology leverages large online data sets to address this issue, but fusing them produces strong patterns of
arxiv  

Topological contact dynamics I: symplectization and applications of the energy-capacity inequality [PDF]

arXiv, 2011
We introduce topological contact dynamics of a smooth manifold carrying a cooriented contact structure, generalizing previous work in the case of a symplectic structure [MO07] or a contact form [BS12]. A topological contact isotopy is not generated by a vector field; nevertheless, the group identities, the transformation law, and classical uniqueness ...
arxiv  

Inferring Skin-Brain-Skin Connections from Infodemiology Data using Dynamic Bayesian Networks [PDF]

Scientific Reports (2024), 14, 10266
The relationship between skin diseases and mental illnesses has been extensively studied using cross-sectional epidemiological data. Typically, such data can only measure association (rather than causation) and include only a subset of the diseases we may be interested in.
arxiv  

Contact handle decompositions [PDF]

Topology Appl. 158 (2011), no. 5, 718--727, 2009
We review Giroux's contact handles and contact handle attachments in dimension three and show that a bypass attachment consists of a pair of contact 1 and 2-handles. As an application we describe explicit contact handle decompositions of infinitely many pairwise non-isotopic overtwisted 3-spheres.
arxiv  

Rigid Body Dynamic Simulation with Multiple Convex Contact Patches [PDF]

arXiv, 2018
We present a principled method for dynamic simulation of rigid bodies in intermittent contact with each other where the contact is assumed to be a non-convex contact patch that can be modeled as a union of convex patches. The prevalent assumption in simulating rigid bodies undergoing intermittent contact with each other is that the contact is a point ...
arxiv