James W. Anderson

Small filling sets of curves on a surface (2009)

Anderson, James W., Parlier, Hugo, Pettet, Alexandra

Consider a set of simple closed curves on a surface of genus $g$ which fill the surface and which pairwise intersect at most once. We show that the asymptotic growth rate of the smallest number in...

Small filling sets of curves on a surface (2009)

Anderson, James W., Parlier, Hugo, Pettet, Alexandra

Consider a set of simple closed curves on a surface of genus g which fill the surface and which pairwise intersect at most once. We show that the asymptotic growth rate of the smallest number in such...

High-Bandwidth Data Dissemination for Large-Scale Distributed Systems DEJAN KOSTIĆ Ecole Polytechnique Fédérale de Lausanne (2009)

Alex C. Snoeren, Amin Vahdat, Ryan Braud, Charles Killian, James W. Anderson, Jeannie Albrecht, ...

This article focuses on the multireceiver data dissemination problem. Initially, IP multicast formed the basis for efficiently supporting such distribution. More recently, overlay networks have...

ABSTRACT Gigabit Routing on a Software-exposed Tiled-microprocessor (2009)

Umar Saif, James W. Anderson, Anthony Degangi

This paper investigates the suitability of emerging tiled-architectures, equipped with low-latency on-chip networks, for high-performance network routing. In this paper, we present the design,...

Abstract Life, Death, and the Critical Transition: Finding Liveness Bugs in Systems Code (2008)

Charles Killian, James W. Anderson, Ranjit Jhala, Amin Vahdat

Modern software model checkers find safety violations: breaches where the system enters some bad state. However, we argue that checking liveness properties offers both a richer and more natural way...

Abstract Life, Death, and the Critical Transition: Finding Liveness Bugs in Systems Code (2008)

Charles Killian, James W. Anderson, Ranjit Jhala, Amin Vahdat

Modern software model checkers find safety violations: breaches where the system enters some bad state. However, we argue that checking liveness properties offers both a richer and more natural way...

Abstract Life, Death, and the Critical Transition: Finding Liveness Bugs in Systems Code (2008)

Charles Killian, James W. Anderson, Ranjit Jhala, Amin Vahdat

Modern software model checkers find safety violations: breaches where the system enters some bad state. However, we argue that checking liveness properties offers both a richer and more natural way...

Abstract Life, Death, and the Critical Transition: Finding Liveness Bugs in Systems Code (2008)

Charles Killian, James W. Anderson, Ranjit Jhala, Amin Vahdat

Modern software model checkers find safety violations: breaches where the system enters some bad state. However, we argue that checking liveness properties offers both a richer and more natural way...

CONVERGENCE GROUPS, HAUSDORFF DIMENSION, AND A THEOREM OF SULLIVAN AND TUKIA (2008)

James W. Anderson, C. Taylor

Abstract. We show that a discrete, quasiconformal group preserving H n has the property that its exponent of convergence and the Hausdorff dimension of its limit set detect the existence of a...

A simple criterion for non-relative hyperbolicity and one-endedness of groups (2008)

James W. Anderson, Javier Aramayona, Kenneth J. Shackleton

We give a combinatorial criterion that implies both the non-strong relative hyperbolicity and the one-endedness of a finitely generated group. We use this to show that many important classes of...

Parabolics on the Boundary of the Deformation Space of a Kleinian Group (2008)

James W. Anderson

We present a condition on a loxodromic element L of a Kleinian group G which guarantees that L cannot be made parabolic on the boundary of the deformation space of G, namely that the fixed points of...

THE MINIMAL ENTROPY PROBLEM FOR 3-MANIFOLDS WITH ZERO SIMPLICIAL VOLUME (2008)

James W. Anderson, P. Paternain

Abstract. In this note, we consider the minimal entropy problem, namely the question of whether there exists a smooth metric of minimal (topological) entropy, for certain classes of closed...

Commensurability of Fuchsian groups and their axes (2008)

James W. Anderson, Alan W. Reid

The purpose of this note is to prove the following Theorem. This answers a question raised during the problem session at the Special Session on Geometric Function Theory of the 898th meeting of the...

The topology of deformation spaces of Kleinian groups (2008)

James W. Anderson, Richard D. Canary, Darryl Mccullough

Let M be a compact, hyperbolizable 3-manifold with nonempty incompressible boundary and let AH(π1(M)) denote the space of (conjugacy classes of) discrete fath-ful representations of π1(M) into...

Incommensurability criteria for Kleinian groups (2008)

James W. Anderson

Abstract. The purpose of this note is to present a criterion for an infinite collection of distinct hyperbolic 3-manifolds to be commensurably infinite. (Here, a collection of hyperbolic 3-manifolds...

The visual core of a hyperbolic 3-manifold (2008)

James W. Anderson, Richard D. Canary

In this note we introduce the notion of the visual core of a hyperbolic 3-manifold N = H 3 /Γ, and explore some of its basic properties. We investigate circumstances under which the visual core V(N...

The Visual Core of a Hyperbolic 3-Manifold (2008)

James W. Anderson, Richard D. Canary

This paper was completed while the first author was visiting Rice University, and he would like to thank the department there for their hospitality. 2 The visual core

THE MINIMAL ENTROPY PROBLEM FOR 3-MANIFOLDS WITH ZERO SIMPLICIAL VOLUME (2007)

James W. Anderson, P. Paternain

Dedicated to Jacob Palis on his sixtieth birthday Abstract. In this note, we consider the minimal entropy problem, namely the question of whether there exists a smooth metric of minimal entropy, for...

Commensurability criteria for Kleinian groups (2007)

James W. Anderson

The purpose of this note is to explore conditions that imply that a collection of innitely many distinct hyperbolic 3-manifolds contains manifolds from innitely many commensurability classes. One...

Commensurability and locally free Kleinian groups (2007)

James W. Anderson

This paper was written while I was visiting Rice University, and I like to thank the department there for its hospitality. I would also like to thank Graham Niblo, Alan Reid, Joe Masters, and Dick...

An obstruction to the strong relative hyperbolicity of a group (2007)

Anderson, James W., Aramayona, Javier, Shackleton, Kenneth J.

We give a simple combinatorial criterion for a group that, when satisfied, implies the group cannot be strongly relatively hyperbolic. Our criterion applies to several classes of groups, such as...

On Automorphism Groups of Networks (2007)

MacArthur, Ben D., Sánchez-García, Rubén J., Anderson, James W.

We consider the size and structure of the automorphism groups of a variety of empirical `real-world' networks and find that, in contrast to classical random graph models, many real-world networks are...

An obstruction to the strong relative hyperbolicity of a group (2007)

Anderson, James W., Aramayona, Javier, Shackleton, Kenneth J.

We give a simple combinatorial criterion for a group that, when satisfied, implies the group cannot be strongly relatively hyperbolic. Our criterion applies to several classes of groups, such as...

Conformal measures associated to ends of hyperbolic n-manifolds (2007)

Anderson, James W., Falk, Kurt, Tukia, Pekka

Let G be a non-elementary Kleinian group acting on the closed n-dimensional unit ball and assume that its Poincare series converges at the exponent a. Let M be the G-quotient of the open unit ball....

Free subgroups of surface mapping class groups (2007)

Anderson, James W., Aramayona, Javier, Shackleton, Kenneth J.

We quantify the generation of free subgroups of surface mapping class groups by pseudo-Anosov mapping classes in terms of their translation distance and the distance between their axes in...

Mace: Language support for building distributed systems (2007)

Charles Killian, James W. Anderson, Ryan Braud, Ranjit Jhala, Amin Vahdat

Building distributed systems is particularly difficult because of the asynchronous, heterogeneous, and failure-prone environment where these systems must run. Tools for building distributed systems...

Mace: Language support for building distributed systems (2007)

Charles Killian, James W. Anderson, Ryan Braud, Ranjit Jhala, Amin Vahdat

Building distributed systems is particularly difficult because of the asynchronous, heterogeneous, and failure-prone environment where these systems must run. Tools for building distributed systems...

Mace: Language support for building distributed systems (2007)

Charles Killian, James W. Anderson, Ryan Braud, Ranjit Jhala, Amin Vahdat

Building distributed systems is particularly difficult because of the asynchronous, heterogeneous, and failure-prone environment where these systems must run. Tools for building distributed systems...

Free subgroups of surface mapping class groups (2007)

James W. Anderson, Javier Aramayona, Kenneth J. Shackleton

We quantify the generation of free subgroups of surface mapping class groups by pseudo-Anosov mapping classes in terms of their translation distance and the distance between their axes in...

Free subgroups of surface mapping class groups (2006)

Anderson, James W., Aramayona, Javier, Shackleton, Kenneth J.

We quantify the generation of free subgroups of surface mapping class groups by pseudo-Anosov mapping classes in terms of their translation distance and the distance between their axes. Our methods...

A fast algorithm for the construction of universal footprinting templates in DNA (2006)

Anderson, James W., Fox, Keith R., Niblo, Graham A.

We introduce and give a complete description of a new graph to be used for DNA sequencing questions. This graph has the advantage over the classical de Bruijn graph that it fully accounts for the...

Conformal measures associated to ends of hyperbolic n-manifolds (2006)

James W. Anderson, Kurt Falk, Pekka Tukia

Let Γ be a non-elementary Kleinian group acting on the closed n-dimensional unit ball and assume that its Poincaré series converges at the exponent α. Let MΓ be the Γ-quotient of the open unit...

Uniformly exponential growth and mapping class groups of surfaces (2006)

James W. Anderson, Javier Aramayona, Kenneth J. Shackleton

We show that the mapping class group (as well as closely related groups) of an orientable surface with finitely generated fundamental group has uniformly exponential growth. We further demonstrate...

CONFORMAL MEASURES ASSOCIATED TO ENDS OF HYPERBOLIC n-MANIFOLDS (2006)

Anderson, James W., Falk, Kurt, Tukia, Pekka

Let Γ be a non-elementary Kleinian group acting on the closed n-dimensional unit ball and assume that its Poincaré series converges at the exponent α. Let MΓ be the Γ-quotient of the open unit...

Conformal measures associated to ends of hyperbolic n-manifolds (2006)

Anderson, James W., Falk, Kurt, Tukia, Pekka

Let Γ be a non-elementary Kleinian group acting on the closed n-dimensional unit ball and assume that its Poincaré series converges at the exponent α. Let MΓ be the Γ-quotient of the open unit...

Uniformly exponential growth and mapping class groups of surfaces (2005)

Anderson, James W., Aramayona, Javier, Shackleton, Kenneth J.

We show that the mapping class group of an orientable finite type surface has uniformly exponential growth, as well as various closely related groups. This provides further evidence that mapping...

A simple criterion for non-relative hyperbolicity and one-endedness of groups (2005)

Anderson, James W., Aramayona, Javier, Shackleton, Kenneth J.

We give a combinatorial criterion that implies both the non-strong relative hyperbolicity and the one-endedness of a finitely generated group. We use this to show that many important classes of...

Maintaining High Bandwidth Under Dynamic Network Conditions (2005)

Dejan Kostić, Ryan Braud, Charles Killian, Erik V, James W. Anderson, Alex C. Snoeren, ...

The need to distribute large files across multiple wide-area sites is becoming increasingly common, for instance, in support of scientific computing, configuring distributed systems, distributing...

Maintaining High Bandwidth under Dynamic Network Conditions (2005)

Dejan Kostic Ryan, Ryan Braud, Charles Killian, Erik V, James W. Anderson, Alex C. Snoeren, ...

The need to distribute large files across multiple wide-area sites is becoming increasingly common, for instance, in support of scientific computing, configuring distributed systems, distributing...

Conformal measures associated to ends of hyperbolic n-manifolds (2004)

Anderson, James W., Falk, Kurt, Tukia, Pekka

Let Gamma be a non-elementary Kleinian group acting on the closed n-dimensional unit ball and assume that its Poincare series converges at the exponent alpha. Let M_Gamma be the Gamma-quotient of the...

Incommensurability criteria for Kleinian groups (2002)

Anderson, James W.

The purpose of this note is to present a criterion for an infinite collection of distinct hyperbolic 3-manifolds to be commensurably infinite. (Here, a collection of hyperbolic 3-manifolds is...

Finite volume hyperbolic 3-manifolds whose fundamental group contains a subgroup that is locally free but not free (2002)

Anderson, James W.

The purpose of this note is to show that the collection LF$ of finite volume hyperbolic 3-manifolds whose fundamental groups contain a subgroup that is locally free but not free is commensurably...

Finite volume hyperbolic 3-manifolds whose fundamental group contains a subgroup that is locally free but not free (2002)

Anderson, James W.

The purpose of this note is to show that the collection LF of finite volume hyperbolic 3-manifolds whose fundamental groups contain a subgroup that is locally free but not free is commensurably...

The visual core of a hyperbolic 3-manifold (2001)

Anderson, James W., Canary, Richard D.

In this note we introduce the notion of the visual core of a hyperbolic 3-manifold N, and explore some of its basic properties. We investigate circumstances under which the visual core V(N') of a...

The visual core of a hyperbolic 3-manifold (2001)

Canary, Richard D., Anderson, James W.

In this note we introduce the notion of the visual core of a hyperbolic 3-manifold , and explore some of its basic properties. We investigate circumstances under which the visual core of a cover of N...

The minimal entropy problem for 3-manifolds with zero simplicial volume (2000)

Anderson, James W., Paternain, Gabriel P.

We consider the minimal entropy problem, namely the question of whether there exists a smooth metric of minimal entropy, for certain classes of 3-manifolds. Among other resulsts, we show that if M is...

The topology of deformation spaces of Kleinian groups (2000)

Anderson, James W., Canary, Richard D., McCullough, Darryl

Let $M$ be a compact, hyperbolizable 3-manifold with nonempty incompressible boundary and let $AH(\pi_1(M))$ denote the space of (conjugacy classes of) discrete faithful representations of $\pi_1(M)...

Cores of hyperbolic 3-manifolds and limits of Kleinian groups II (2000)

Anderson, James W., Canary, Richard D.

Troels Jørgensen conjectured that the algebraic and geometric limits of an algebraically convergent sequence of isomorphic Kleinian groups agree if there are no new parabolics in the algebraic...

On the topology of deformation spaces of Kleinian groups (2000)

Anderson, James W., Canary, Richard D., McCullough, Darryl

Let M be a compact, hyperbolizable 3-manifold with nonempty incompressible boundary and fundamental group G, and let AH(G) denote the space of (conjugacy classes of) discrete faithful representations...

The topology of deformation spaces of Kleinian groups (2000)

Canary, Richard D., McCullough, Darryl, Anderson, James W.

Let M be a compact, hyperbolizable 3-manifold with nonempty incompressible boundary and let AH(1(M)) denote the space of (conjugacy classes of) discrete faithful representations of 1(M) into PSL2(C)....

Commensurability and locally free Kleinian groups (1999)

Anderson, James W.

We show that there exist infinitely many commensurability classes of finite volume hyperbolic 3-manifolds whose fundamental group contains a subgroup which is locally free but not free. The main...

The visual core of a hyperbolic 3-manifold (1999)

Anderson, James W., Canary, Richard D.

We introduce the notion of the visual core of a hyperbolic 3-manifold N and explore its basic properties. The visual core can be thought of as a harmonic analysis analogue of the convex core. We...

Cores of hyperbolic 3-manifolds and limits of Kleinian groups II (1999)

Anderson, James W., Canary, Richard D.

Troels Jorgensen conjectured that the algebraic and geometric limits of an algebraically convergent sequence of isomorphic Kleinian groups agree if there are no new parabolics in the algebraic limit....

Defense National Stockpile Holding Costs. (1998)

Anderson, James W.

This report documents the development of annual holding costs for the Defense National Stockpile (DNS) commodities. Three annual cost-to-hold factors are presented for use in analyses with different...

A brief survey of the deformation theory of Kleinian groups (1998)

Anderson, James W.

We give a brief overview of the current state of the study of the deformation theory of Kleinian groups. The topics covered include the definition of the deformation space of a Kleinian group and of...

The topology of deformation spaces of Kleinian groups (1998)

Anderson, James W., Canary, Richard D., McCullough, Darryl

Let M be a compact, hyperbolizable 3-manifold with nonempty incompressible boundary and let AH(\pi_1(M)) denote the space of (conjugacy classes of) discrete faithful representations of \pi_1(M) into...

Closed essential surfaces in hyperbolizable acylindrical 3-manifolds (1998)

Anderson, James W.

We show that a compact hyperbolizable acylindrical 3-manifold with non-empty incompressible boundary, in which every boundary component has genus at least two, necessarily contains a closed immersed...

A brief survey of the deformation theory of Kleinian groups (1998)

Anderson, James W.

We give a brief overview of the current state of the study of the deformation theory of Kleinian groups. The topics covered include the definition of the deformation space of a Kleinian group and of...

Closed Essential Surfaces In Hyperbolizable Acylindrical 3-Manifolds (1998)

James W. Anderson

this paper. Many of the results described in this Section are either implicit or explicit in the literature of the subject. We begin by describing some Kleinian group basics, using Maskit [15] as our...

Closed essential surfaces in hyperbolizable acylindrical 3-manifolds (1998)

James W. Anderson

We show that a compact hyperbolizable acylindrical 3-manifold with non-empty incompressible boundary, in which every boundary component has genus at least two, necessarily contains a closed immersed...

Closed essential surfaces in hyperbolizable acylindrical 3-manifolds (1998)

James W. Anderson

We show that a compact hyperbolizable acylindrical 3-manifold with non-empty incompressible boundary, in which every boundary component has genus at least two, necessarily contains a closed immersed...

Commensurability of Fuchsian groups and their axes (1997)

Anderson, James W., Reid, Alan W.

The purpose of this note is to prove the following Theorem. This answers a question raised during the problem session at the Special Session on Geometric Function Theory of the 898th meeting of the...

Analyticity of Hausdorff dimension of limit sets of Kleinian groups (1997)

James W. Anderson, André C. Rocha

We show that the Hausdorff dimension of the limit set is a real analytic function on the deformation space of a certain class of convex co-compact Kleinian groups, which includes all convex...

Free Kleinian groups and volumes of hyperbolic 3-manifolds (1996)

James W. Anderson, Richard D. Canary, Marc Culler, Peter B. Shalen

The central result of this paper, Theorem 6.1, gives a constraint that must be satisfied by the generators of any free, topologically tame Kleinian group without parabolic elements. The following...

Cores of hyperbolic 3-manifolds and limits of Kleinian groups II (1996)

James W. Anderson, Richard D. Canary

this paper, as well as the referee for useful comments. 2 Preliminaries

Cores of hyperbolic 3-manifolds and limits of Kleinian groups (1996)

James W. Anderson, Richard D. Canary

We study the relationship between the algebraic and geometric limits of a sequence of isomorphic Kleinian groups. We prove that, with certain restrictions on the algebraic limit, the algebraic limit...

Free Kleinian groups and volumes of hyperbolic 3-manifolds (1996)

James W. Anderson, Richard D. Canary, Marc Culler, Peter B. Shalen

The central result of this paper, Theorem 6.1, gives a constraint that must be satisfied by the generators of any free, topologically tame Kleinian group without parabolic elements. The following...

Intersections of topologically tame subgroups of Kleinian groups (1995)

James W. Anderson

In this paper, we continue the investigation of intersections of pairs of finitely generated subgroups Γ1 and Γ2 of a Kleinian group Γ, a question which has been examined by a number of authors....

On the local connectivity of limit sets of Kleinian groups (1995)

James W. Anderson, Bernard Maskit

AMS no. 30F40 The main result here is the fact that the limit set of a geometrically finite Kleinian group with connected limit set is locally connected. For an analytically finite Kleinian group...

Intersections of analytically and geometrically finite subgroups of Kleinian groups (1994)

James W. Anderson

We consider the intersection of pairs of subgroups of a Kleinian group of the second kind K whose limit sets intersect, where one subgroup G is analytically finite and the other J is geometrically...

On the Finitely Generated Intersection Property for Kleinian Groups (1991)

James W. Anderson

The purpose of this note is to demonstrate that all Kleinian groups have the finitely generated intersection property; that is, the intersection of any pair of finitely generated subgroups of a...

A subthreshold persistent sodium current mediates bursting in rat subfornical organ neurones

Washburn, David L S, Anderson, James W, Ferguson, Alastair V

It is widely accepted that while release of amino acid neurotransmitters occurs with relatively high fidelity, peptidergic synapses require clustered bursts of action potentials for optimal...

The Surgical Treatment of Morbid Obesity: Economic, Psychosocial, Ethical, Preventive, Medical Aspects of Health Care

Wrobel, Sylvia B., Griffen, Ward O., Anderson, James W., Whitaker, E. Berton, Wiegert, H. Thomas, Searle, Maureen, ...

Surgical treatment of morbid, familial, juvenile-onset obesity in a 37-year-old, 260-pound, mother of three children by jejunoileal bypass was subsequently converted to gastric bypass. The resulting...

On the topology of deformation spaces of Kleinian groups

James W. Anderson, Richard D. Canary, Darryl McCullough

Let M be a compact, hyperbolizable 3-manifold with nonempty incompressible boundary and let AH(ß 1 (M)) denote the space of (conjugacy classes of) discrete fathful representations of ß 1 (M) into...