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Exploring the Possibilities of Embedding Heterogeneous Data Attributes in Familiar Visualizations
Heterogeneous multi-dimensional data are now sufficiently common that they can be referred to as ubiquitous. The most frequent approach to visualizing these data has been to propose new visualizations for representing these data. These new solutions are often inventive but tend to be unfamiliar. We take a different approach. We explore the possibility of extending well-known and familiar visualizations through including Heterogeneous Embedded Data Attributes (HEDA) in order to make familiar visualizations more powerful. We demonstrate how HEDA is a generic, interactive visualization component that can extend common visualization techniques while respecting the structure of the familiar layout. HEDA is a tabular visualization building block that enables individuals to visually observe, explore, and query their familiar visualizations through manipulation of embedded multivariate data. We describe the design space of HEDA by exploring its application to familiar visualizations in the D3 gallery. We characterize these familiar visualizations by the extent to which HEDA can facilitate data queries based on attribute reordering
A Pinned Polymer Model of Posture Control
A phenomenological model of human posture control is posited. The dynamics
are modelled as an elastically pinned polymer under the influence of noise. The
model accurately reproduces the two-point correlation functions of experimental
posture data and makes predictions for the response function of the postural
control system. The physiological and clinical significance of the model is
discussed.Comment: uuencoded post script file, 17 pages with 3 figure
Mesenteric Thrombosis Complicating Influenza B Infection
To the Editor:
A 44-year-old healthy, active man presented to an
outside hospital complaining of a 1-day history of fever up
to 39ïżœC, muscle aches, sinus pressure, nausea, vomiting,
and diarrhea in April 2015. Review of systems was negative
for abdominal pain, hematochezia, or melena. A chest
radiograph was negative for infiltration, consolidation,
edema, or other pathology. Lipase level was 37 U/L (within
normal limits). A nasopharyngeal swab antigen test was
positive for influenza B, and the patient was discharged on
oseltamivir. Three days later, intermittent fevers persisted
with chills, nausea, vomiting, and severe abdominal pain.
Anorexia developed, and the patient described âsomething
twisting and pulling at [his] insides.â An abdominal
computed tomography scan showed extensive superior
mesenteric vein thrombosis, which extended into the main
portal vein and proximal splenic vein. He was transferred to
our facility for transhepatic thrombolysis, which was complicated
by intrahepatic hematoma requiring subselective
hepatic artery embolization. He recovered completely and
was discharged with rivaroxaban. Hematology evaluation
was negative for predisposing hypercoagulable conditions
including factor II mutation, factor V Leiden, and lupus
anticoagulant. Of note, his past medical, surgical, and family
history were unrevealing for malignancy, coagulopathy,
cirrhosis, pancreatitis, or other prothrombotic states
Exact steady state solution of the Boltzmann equation: A driven 1-D inelastic Maxwell gas
The exact nonequilibrium steady state solution of the nonlinear Boltzmann
equation for a driven inelastic Maxwell model was obtained by Ben-Naim and
Krapivsky [Phys. Rev. E 61, R5 (2000)] in the form of an infinite product for
the Fourier transform of the distribution function . In this paper we
have inverted the Fourier transform to express in the form of an
infinite series of exponentially decaying terms. The dominant high energy tail
is exponential, , where and the amplitude is given in terms of a converging
sum. This is explicitly shown in the totally inelastic limit ()
and in the quasi-elastic limit (). In the latter case, the
distribution is dominated by a Maxwellian for a very wide range of velocities,
but a crossover from a Maxwellian to an exponential high energy tail exists for
velocities around a crossover velocity , where .
In this crossover region the distribution function is extremely small, .Comment: 11 pages, 4 figures; a table and a few references added; to be
published in PR
Setting the stage for individualized therapy in hemophilia: what role can pharmacokinetics play?
Replacement therapy with clotting factor concentrates (CFC) is the mainstay of treatment in hemophilia. Its widespread application has led to a dramatic decrease in morbidity and mortality in patients, with concomitant improvement of quality of life. However, dosing is challenging and costs are high. This review discusses benefits and limitations of pharmacokinetic (PK)-guided dosing of replacement therapy as an alternative for current dosing regimens. Dosing of CFC is now primarily based on body weight and based on its in vivo recovery (IVR). Benefits of PK-guided dosing include individualization of treatment with better targeting, more flexible blood sampling, increased insight into association of coagulation factor levels and bleeding, and potential overall lowering of overall costs. Limitations include a slight burden for the patient, and availability of closely collaborating, experienced clinical pharmacologists
Monte-Carlo Event Generators at NLO
A method to construct Monte-Carlo event generators at arbitrarily non-leading
order is explained for the case of a non-gauge theory. A precise and correct
treatment of parton kinematics is provided. Modifications of the conventional
formalism are required: parton showering is not exactly the same as DGLAP
evolution, and the external line prescription for the hard scattering differs
from the LSZ prescription. The prospects for extending the results to QCD are
discussed.Comment: 57 pages, 16 eps figures, revtex
Correcting the Colour-Dipole Cascade Model with Fixed Order Matrix Elements
An algorithm is presented in which the Colour-Dipole Cascade Model as
implemented in the Ariadne program is corrected to match the fixed order
tree-level matrix elements for e+e- -> n jets. The result is a full parton
level generator for e+e- annihilation where the generated states are correct on
tree-level to fixed order in alpha_S and to all orders with modified leading
logarithmic (MLLA) accuracy. In this paper, matrix elements are used up to
second order in alpha_S, but the scheme is applicable also for higher orders.
An improvement to also include exact virtual corrections to fixed order is
suggested and the possibility to extend the scheme to hadronic collisions is
discussed
Factorization constraints for soft anomalous dimensions in QCD scattering amplitudes
We study the factorization of soft and collinear singularities in
dimensionally-regularized fixed-angle scattering amplitudes in massless gauge
theories. Our factorization is based on replacing the hard massless partons by
light-like Wilson lines, and defining gauge-invariant jet and soft functions in
dimensional regularization. In this scheme the factorized amplitude admits a
powerful symmetry: it is invariant under rescaling of individual Wilson-line
velocities. This symmetry is broken by cusp singularities in both the soft and
the eikonal jet functions. We show that the cancellation of these cusp
anomalies in any multi-leg amplitude imposes all-order constraints on the
kinematic dependence of the corresponding soft anomalous dimension, relating it
to the cusp anomalous dimension. For amplitudes with two or three hard partons
the solution is unique: the constraints fully determine the kinematic
dependence of the soft function. For amplitudes with four or more hard partons
we present a minimal solution where the soft anomalous dimension is a sum over
colour dipoles, multiplied by the cusp anomalous dimension. In this case
additional contributions to the soft anomalous dimension at three loops or
beyond are not excluded, but they are constrained to be functions of conformal
cross ratios of kinematic variables.Comment: v1: 35 pages, v2: minor changes - some clarifying remarks and
references added. Journal version (to appear in JHEP
Single-Inclusive Jet Production in Polarized pp Collisions at O(alpha_s^3)
We present a next-to-leading order QCD calculation for single-inclusive
high-p_T jet production in longitudinally polarized pp collisions within the
``small-cone'' approximation. The fully analytical expressions obtained for the
underlying partonic hard-scattering cross sections greatly facilitate the
analysis of upcoming BNL-RHIC data on the double-spin asymmetry A_{LL}^{jet}
for this process in terms of the unknown polarization of gluons in the nucleon.
We simultaneously rederive the corresponding QCD corrections to unpolarized
scattering and confirm the results existing in the literature. We also
numerically compare to results obtained with Monte-Carlo methods and assess the
range of validity of the ``small-cone'' approximation for the kinematics
relevant at BNL-RHIC.Comment: 23 pages, 8 eps-figure
Single photon emitters based on Ni/Si related defects in single crystalline diamond
We present investigations on single Ni/Si related color centers produced via
ion implantation into single crystalline type IIa CVD diamond. Testing
different ion dose combinations we show that there is an upper limit for both
the Ni and the Si dose 10^12/cm^2 and 10^10/cm^2 resp.) due to creation of
excess fluorescent background. We demonstrate creation of Ni/Si related centers
showing emission in the spectral range between 767nm and 775nm and narrow
line-widths of 2nm FWHM at room temperature. Measurements of the intensity
auto-correlation functions prove single-photon emission. The investigated color
centers can be coarsely divided into two groups: Drawing from photon statistics
and the degree of polarization in excitation and emission we find that some
color centers behave as two-level, single-dipole systems whereas other centers
exhibit three levels and contributions from two orthogonal dipoles. In
addition, some color centers feature stable and bright emission with saturation
count rates up to 78kcounts/s whereas others show fluctuating count rates and
three-level blinking.Comment: 7 pages, submitted to Applied Physics B, revised versio
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