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Now showing items 1-20 of 30

#### Organizational Structure and the Diversification Discount: Evidence from Commercial Banking

(Blackwell, 2008)

This paper provides evidence on organizational structure, geographic diversification, and performance at bank holding companies (BHCs). First, we show that a BHC's member banks benefit from access to the parent organization's ...

#### Can Entrepreneurship Be Taught?

(2006-02)

Is entrepreneurship an innate ability or an acquired skill? Can entrepreneurial acumen
be achieved and enhanced through education and training, or are certain people “born” to be entrepreneurs
or to act entrepreneurially? ...

#### Electrochemical properties of carbon nanoparticles entrapped in silica matrix

(Electrochemical Society, 2008)

Carbon-based electrode materials have been widely used for many years for electrochemical charge storage, energy generation, and catalysis. We have developed an electrode material with high specific capacitance by entrapping ...

#### Disseminated chlorellosis in a dog

(American College of Veterinary Pathologists, 2009)

An adult dog with ataxia and a lingual mass, previously diagnosed as protothecosis, was euthanized. At the postmortem examination, the lingual mass, regions of the lungs and hilar lymph nodes, liver, mesenteric and sublumbar ...

#### A Measure of Media Bias

(Department of Economics, 2005)

In this paper we estimate ADA (Americans for Democratic Action) scores for major media outlets such as the New York Times, USA Today, Fox News' Special Report, and all three network television news shows. Our estimates ...

#### Hierarchical Bayesian Models for Predicting The Spread of Ecological Processes

(Ecological Society of America, 2003)

There is increasing interest in predicting ecological processes. Methods to accomplish such predictions must account for uncertainties in observation, sampling,
models, and parameters. Statistical methods for spatio-temporal ...

#### Values of the Euler Function in Various Sequences

(2005)

Let φ (n) and λ(n) denote the Euler and Carmichael functions, respectively. In this paper, we investigate the equation φ (n)r = λ(n)s, where r ≥ s ≥ 1 are fixed positive integers. We also study those positive integers n, ...

#### Analysis of point-to-point packet delay in an operational network, Computer Networks

(Elesevier, 2007-09-12)

In this paper, we perform a detailed analysis of point-to-point packet delay in an operational tier-1 network. The point-to-point delay is the time experienced by a packet from an ingress to an egress point in an ISP, and ...

#### Shifts in the Spatio-Temporal Growth Dynamics of Shortleaf Pine

(Environmental and Ecological Statistics, 2007)

Previous studies focusing on the growth history of pinus echinata at the edge of its geographical range have suggested that changes in growth correspond to climatic and non-climatic (e.g., anthropogenic) factors. We employ ...

#### A Hierarchical Bayesian Non-linear Spatio-temporal Model for the Spread of Invasive Species with Application to the Eurasian Collared-Dove

(Environmental and Ecological Statistics, 2007)

Differential equation based advection-diffusion models have been used in atmospheric science to mimic complex processes such as weather and climate. Differential and partial-differential equations (PDE's) have become popular ...

#### Hierarchical Bayesian Approach to Boundary Value Problems with Stochastic Boundary Conditions

(American Meteorological Society, 2003)

Boundary value problems are ubiquitous in the atmospheric and ocean sciences. Typical settings include bounded, partially bounded, global and limited area domains, discretized for applications of numerical models of
the ...

#### Irrationality of Power Series for Various Number Theoretic Functions

(2005)

We study formal power series whose coefficients are taken to be a variety of number theoretic functions, such as the Euler, Möbius and divisor functions. We show that these power series are irrational over ℤ [X], and we ...

#### On the Value Set of n! Modulo a Prime

(2005)

We show that for infinitely many prime numbers p there are at least log log p/ log log log p distinct residue classes modulo p that are not congruent to n! for any integer n.

#### On the average value of divisor sums in arithmetic progressions

(2005)

We consider very short sums of the divisor function in arithmetic progressions prime to a fixed modulus and show that "on average" these sums are close to the expected value. We also give applications of our result to sums ...

#### Predicting the Spatial Distribution of Ground Flora on Large Domains Using a Hierarchical Bayesian Model

(Landscape Ecology, 2003)

Accomodation of important sources of uncertainty in ecological models is essential to realistically predicting ecological processes. The purpose of this project is to develop a robust methodology for modeling natural ...

#### A Kernel-Based Spectral Model for Non-Gaussian Spatio-Temporal Processes

(Statistical Modelling, 2002)

Spatio-temporal processes can often be written as hierarchical state-space processes. In situations with complicated dynamics such as wave propagation, it is difficult to parameterize state transition functions for ...

#### Multiresolution Models for Nonstationary Spatial Covariance Functions

(Statistical Modelling, 2002)

Many geophysical and environmental problems depend on estimating a spatial process that has nonstationary structure. A nonstationary model is proposed based on the spatial field being a linear combination of a multiresolution ...

#### Efficient Statistical Mapping of Avian Count Data

(Environmental and Ecological Statistics, 2005)

We develop a spatial modeling framework for count data that is efficient to implement in high-dimensional prediction problems. We consider spectral parameterizations for the spatially varying mean of the Poisson model. The ...

#### New examples of noncommutative Λ(p) sets

(2003)

In this paper, we introduce a certain combinatorial property Z*(k), which is defined for every integer k ≥ 2, and show that every set E ⊂ Z with the property Z*(k) is necessarily a noncommutative Λ (2k) set. In
particular, ...

#### Almost All Palindromes Are Composite

(2004)

We study the distribution of palindromic numbers (with respect to a fixed base g ≥ 2) over certain congruence classes, and we derive a nontrivial upper bound for the number of prime palindromes n ≤ x as x → ∞. Our results ...