Virtual Contact: The Continuum from Purely Visual to Purely Physical

Virtual Contact: the Continuum from Purely Visual to Purely Physical

Providing appropriate cues to users when interacting with objects in immersive virtual environments (IVEs) is a difficult task. In addition to individual user differences, environmental factors, and task-specific requirements, the technological complexity of the current state of the art in haptic feedback further increases the difficulty. Though the technology continues to improve, we are still...

The Purely Reflected Self

A purely temporal transparency mechanism in the visual system.

I report evidence for a purely temporal perceptual transparency mechanism. Rapid alternation of two images in the same location can result in the simultaneous experience of both, accompanied by a sense of transparency. This is true even when the sum of the two images does not appear transparent, which suggests that the percept is not mediated by the static transparency processes. At slow rates,...

An Inference System for Exhaustive Generation of Mixed and Purely Negative Implications from Purely Positive Ones

The objective of this article is to study the problem of generating implications with negation when only a set of purely positive implications related to a formal context K = (G,M, I) is provided. To that end, we define a sound and complete inference system which includes a characterization of implications whose left-hand side is a key in the context K|K̃ representing the apposition of the conte...

Charmonium suppression from purely geometrical effects

The extend to which geometrical effects contribute to the production and suppression of the J/ψ and qq minijet pairs in general is investigated for high energy heavy ion collisions at SPS, RHIC and LHC energies. For the energy range under investigation, the geometrical effects referred to are shadowing and anti-shadowing, respectively. Due to those effects, the parton distributions in nuclei de...