We present preliminary results from a deep (600 ks) Chandra observation of the hot interstellar medium of the nearby early-type galaxy Centaurus A (Cen A). We find a surface brightness discontinuity in the gas ∼3.5 kpc from the nucleus spanning a 120 arc. The temperature of the gas is 0.60±0.05 and 0.68±0.10 keV, interior and exterior to the discontinuity, respectively. The elemental abundance ...

Distributive lattices with operators (DLO) are a natural generalization of the notion of Boolean algebras with operators. An operator in a bounded distributive lattice A is a function f : An → A which preserves ∧ (or ∨) in each coordinate. In the last few years these classes of algebras have been actively investigated since they appear as algebraic counterpart of many logics. Some important con...

While handling deformable linear objects (DLOs), such as hoses, wires or leaf springs, with an industrial robot at high speed, unintended and undesired oscillations that delay further operations may occur. This paper analyzes oscillations based on a simple model with one degree of freedom (DOF) and presents a method for active open-loop damping. Different ways to interpret an oscillating DLO as...

In Monte-Carlo photon-tracing methods energy-carrying particles are traced in an environment to generate hit points on object surfaces for simulating global illumination. The surface illumination can be reconstructed from particle hit points by solving a density estimation problem using an orthogonal series. The appropriate number of terms of an orthogonal series used for approximating surface ...

Observations of P-to-S conversions from the seismic discontinuities near 410 and 660 km depth reveal the shoaling of the 410-km discontinuity and the deepening of the 660-km discontinuity beneath the Archaean cratons in southern Africa; consequently, the mantle transition zone is 20 km thicker than beneath post-Archaean regions and the global average. The discontinuity structure, combined with ...

In this talk, I document the existence of degenerate discontinuity-induced bifurcation scenarios in the lowcontact-velocity dynamics during tapping-mode atomic-force microscopy. Specifically, numerical analysis of a model of the microscope dynamics shows branch point and isola bifurcations associated with the emergence of two families of saddle-node bifurcation points along a branch of low-ampl...

On the basis of critical analysis of literature it is shown that the existing theory of surface gravity waves is incorrect and contradictory. Based on the new results published by the author dispersive equation for linear waves generated on the surface of tangential discontinuity between air and water was obtained. It is demonstrated that this equation is applicable only to capillary waves and ...

Multiple color stripes have been employed for structured light-based rapid range imaging to increase the number of uniquely identifiable stripes. The use of multiple color stripes poses two problems: (1) object surface color may disturb the stripe color and (2) the number of adjacent stripes required for identifying a stripe may not be maintained near surface discontinuities such as occluding b...

Working within the framework of hierarchical surface reconstruction first introduced by (Schenk et al., 1991), this research focuses on the subsystem of surface interpolation and defines the tasks for interpolation and analysis of a surface. The main objective of this research is to develop an algorithm that produces a dense representation of a surface from a sparse set of observations and, at ...

In a series of experiments, a temperature discontinuity has been found to exist at the surface of an evaporating water droplet. Statistical rate theory has been used to predict the pressure in the vapor to within the experimental uncertainty during each of the experiments. While the qualitative trend of the D law is observed to be consistent with the measurements, it underpredicts the measured ...