Publications (58)
Search Algorithms and Loss Functions for Bayesian Clustering
David B. Dahl, Devin J. Johnson, Peter Mueller
We propose a randomized greedy search algorithm to find a point estimate for a random partition based on a loss function and posterior Monte Carlo samples. Given the large size and…
Bayesian Inference for Tumor Subclones Accounting for Sequencing and Structural Variants
Juhee Lee, Peter Mueller, Subhajit Sengupta +2
Tumor samples are heterogeneous. They consist of different subclones that are characterized by differences in DNA nucleotide sequences and copy numbers on multiple loci. Heterogene…
Bayesian Inference for Latent Biologic Structure with Determinantal Point Processes (DPP)
Yanxun Xu, Peter Mueller, Donatello Telesca
We discuss the use of the determinantal point process (DPP) as a prior for latent structure in biomedical applications, where inference often centers on the interpretation of laten…
Bayesian Nonparametric Estimation for Dynamic Treatment Regimes with Sequential Transition Times
Yanxun Xu, Peter Mueller, Abdus S. Wahed +1
Dynamic treatment regimes in oncology and other disease areas often can be characterized by an alternating sequence of treatments or other actions and transition times between dise…
Vertical Consensus Inference for High-Dimensional Random Partition
Khai Nguyen, Yang Ni, Peter Mueller
We review recently proposed Bayesian approaches for clustering high-dimensional data. After identifying the main limitations of available approaches, we introduce an alternative fr…
Entanglement generation in superconducting qubits using holonomic operations
Daniel J. Egger, Marc Ganzhorn, Gian Salis +6
We investigate a non-adiabatic holonomic operation that enables us to entangle two fixed-frequency superconducting transmon qubits attached to a common bus resonator. Two coherent…
A Decision-Theoretic Comparison of Treatments to Resolve Air Leaks After Lung Surgery Based on Nonparametric Modeling
Yanxun Xu, Peter F. Thall, Peter Mueller +1
We propose a Bayesian nonparametric utility-based group sequential design for a randomized clinical trial to compare a gel sealant to standard care for resolving air leaks after pu…
DPGLM: A Semiparametric Bayesian GLM with Inhomogeneous Normalized Random Measures
Entejar Alam, Paul J. Rathouz, Peter Mueller
We introduce a novel varying-weight dependent Dirichlet process (DDP) model that extends a recently developed semi-parametric generalized linear model (SPGLM) by adding a nonparame…
Bayesian Double Feature Allocation for Phenotyping with Electronic Health Records
Yang Ni, Peter Mueller, Yuan Ji
We propose a categorical matrix factorization method to infer latent diseases from electronic health records (EHR) data in an unsupervised manner. A latent disease is defined as an…
Improved limit on the Ra electric dipole moment
Michael Bishof, Richard H. Parker, Kevin G. Bailey +10
Background: Octupole-deformed nuclei, such as that of Ra, are expected to amplify observable atomic electric dipole moments (EDMs) that arise from time-reversal and parity-…
Volume Filling Factors of the DIG
Dipanjan Mitra, Elly M. Berkhuijsen, Peter Mueller
Combining dispersion measures, distances and emission measures for 157 pulsars lying above \mid b \mid > 5 degree and between 60 degree < l < 360 degree we find the mean volume fil…
Radiometric 81Kr dating identifies 120,000 year old ice at Taylor Glacier, Antarctica
Christo Buizert, Daniel Baggenstos, Wei Jiang +8
We present the first successful 81Kr-Kr radiometric dating of ancient polar ice. Krypton was extracted from the air bubbles in four ~350 kg polar ice samples from Taylor Glacier in…
Uniform existence of the integrated density of states for models on $\ZZ^d$
Daniel Lenz, Peter Mueller, Ivan VeseliÄ
We provide an ergodic theorem for certain Banach-space valued functions on structures over $\ZZ^d$, which allow for existence of frequencies of finite patterns. As an application w…
The Low-Radioactivity Underground Argon Workshop: A workshop synopsis
Thomas Alexander, Henning O. Back, Walter Bonivento +22
In response to the growing need for low-radioactivity argon, community experts and interested parties came together for a 2-day workshop to discuss the worldwide low-radioactivity…
Bayesian Nonparametrics: Principles and Practice
Nils Lid Hjort, Chris Holmes, Peter Mueller +1
This extended preface [to the Book `Bayesian Nonparametrics', Cambridge University Press, 2010, by NL Hjort, CC Holmes, P Mueller, SG Walker] is meant to explain why you are right…
A Mixed Self-Exciting Process to Model Epileptic Seizures
Karen Kanaster, Giovani L. Silva, Peter Mueller +2
Epilepsy is a neurological disorder characterized by recurrent seizures affecting more than 70 million people worldwide. Often, an individual with epilepsy is more likely to experi…
The Auger-Meitner Radioisotope Microscope: an instrument for characterization of Auger electron multiplicities and energy distributions
Patrick R. Stollenwerk, Stephen H. Southworth, Francesco Granato +9
We describe a new instrument, the Argonne Auger Radioisotope Microscope (ARM), capable of characterizing the Auger electron emission of radionuclides, including candidates relevant…
Spectral Localization by Gaussian Random Potentials in Multi-Dimensional Continuous Space
Werner Fischer, Hajo Leschke, Peter Mueller
A detailed mathematical proof is given that the energy spectrum of a non-relativistic quantum particle in multi-dimensional Euclidean space under the influence of suitable random p…
Regression with Variable Dimension Covariates
Peter Mueller, Fernando Andrés Quintana, Garritt L. Page
Regression is one of the most fundamental statistical inference problems. A broad definition of regression problems is as estimation of the distribution of an outcome using a famil…
Graph-Aligned Random Partition Model (GARP)
Giovanni Rebaudo, Peter Mueller
Bayesian nonparametric mixtures and random partition models are powerful tools for probabilistic clustering. However, standard independent mixture models can be restrictive in some…
PairClone: A Bayesian Subclone Caller Based on Mutation Pairs
Tianjian Zhou, Peter Mueller, Subhajit Sengupta +1
Tumor cell populations can be thought of as being composed of homogeneous cell subpopulations, with each subpopulation being characterized by overlapping sets of single nucleotide…
Pulsed reset protocol for fixed-frequency superconducting qubits
Daniel J. Egger, Max Werninghaus, Marc Ganzhorn +4
Improving coherence times of quantum bits is a fundamental challenge in the field of quantum computing. With long-lived qubits it becomes, however, inefficient to wait until the qu…
Surface Processing and Discharge-Conditioning of High Voltage Electrodes for the Ra EDM Experiment
Roy A. Ready, Gordon Arrowsmith-Kron, Kevin G. Bailey +21
The Ra EDM experiment uses a pair of high voltage electrodes to search for the atomic electric dipole moment of Ra. We use identical, plane-parallel electrodes with a prima…
Separate Exchangeability as Modeling Principle in Bayesian Nonparametrics
Giovanni Rebaudo, Qiaohui Lin, Peter Mueller
We argue for the use of separate exchangeability as a modeling principle in Bayesian nonparametric (BNP) inference. Separate exchangeability is \emph{de facto} widely applied in th…
A VUV light source for enhanced production of metastable krypton and xenon beams
Patrick R. Stollenwerk, Kevin G. Bailey, Daniel Koch +4
We demonstrate excitation of metastable krypton and xenon beams using a vacuum ultraviolet lamp and directly compare the performance of this method to metastable excitation based o…
The Dependent Dirichlet Process and Related Models
Fernand A. Quintana, Peter Mueller, Alejandro Jara +1
Standard regression approaches assume that some finite number of the response distribution characteristics, such as location and scale, change as a (parametric or nonparametric) fu…
Fermionic Hamiltonians for quantum simulations: a general reduction scheme
Panagiotis Kl. Barkoutsos, Nikolaj Moll, Peter W. J. Staar +5
Many-body fermionic quantum calculations performed on analog quantum computers are restricted by the presence of k-local terms, which represent interactions among more than two qub…
High accuracy position response calibration method for a micro-channel plate ion detector
Ran Hong, Arnaud Leredde, Yelena Bagdasarova +9
We have developed a position response calibration method for a micro-channel plate (MCP) detector with a delay-line anode position readout scheme. Using an {\em in situ} calibratio…
Distributional Determinantal Point Process for Repulsive Clustering of Distributions
Khai Nguyen, Yang Ni, Elizabeth Juarez-Colunga +1
We introduce the distributional determinantal point process (dDPP) as a novel repulsive point process whose atoms are probability distributions rather than points in a real space.…
MAD Bayes for Tumor Heterogeneity Feature Allocation with Non-Normal Sampling
Yanxun Xu, Peter Mueller, Yuan Yuan +2
We propose small-variance asymptotic approximations for the inference of tumor heterogeneity (TH) using next-generation sequencing data. Understanding TH is an important and open r…
Bayesian Multiple Multivariate Density-Density Regression
Khai Nguyen, Yang Ni, Peter Mueller
We propose the first approach for multiple multivariate density-density regression (MDDR), making it possible to consider the regression of a multivariate density-valued response o…
A one--parameter family of polynomials with Galois group M24 over Q(t)
Peter Mueller
Granboulan computed an explicit polynomial whose Galois group over the rational function field Q(t) is the Mathieu group M24. By a result of Malle and Matzat, it was known before t…
On the averaged quantum dynamics by white-noise Hamiltonians with and without dissipation
Werner Fischer, Hajo Leschke, Peter Mueller
Exact results are derived on the averaged dynamics of a class of random quantum-dynamical systems in continuous space. Each member of the class is characterized by a Hamiltonian wh…
Low-degree planar monomials in characteristic two
Peter Mueller, Michael E. Zieve
Planar functions over finite fields give rise to finite projective planes and other combinatorial objects. They exist only in odd characteristic, but recently Zhou introduced an ev…
Implementing an electronic sideband offset lock for precision spectroscopy in radium
Tenzin Rabga, Kevin G. Bailey, Michael Bishof +6
We demonstrate laser frequency stabilization with at least 6 GHz of offset tunability using an in-phase/quadrature (IQ) modulator to generate electronic sidebands (ESB) on a titani…
A system design approach toward integrated cryogenic quantum control systems
Mridula Prathapan, Peter Mueller, David Heim +8
In this paper, we provide a system level perspective on the design of control electronics for large scale quantum systems. Quantum computing systems with high-fidelity control and…
Rigorous results on Schroedinger operators with certain Gaussian random potentials in multi-dimensional continuous space
Werner Fischer, Thomas Hupfer, Hajo Leschke +1
Schroedinger operators with certain Gaussian random potentials in multi-dimensional Euclidean space possess almost surely an absolutely continuous integrated density of states and…
Gate-efficient simulation of molecular eigenstates on a quantum computer
Marc Ganzhorn, Daniel J. Egger, Panagiotis Kl. Barkoutsos +8
A key requirement to perform simulations of large quantum systems on near-term quantum hardware is the design of quantum algorithms with short circuit depth that finish within the…
A Nonparametric Bayesian Basket Trial Design
Yanxun Xu, Peter Mueller, Apostolia M Tsimberidou +1
Targeted therapies on the basis of genomic aberrations analysis of the tumor have shown promising results in cancer prognosis and treatment. Regardless of tumor type, trials that m…
Consensus Monte Carlo for Random Subsets using Shared Anchors
Yang Ni, Yuan Ji, Peter Mueller
We present a consensus Monte Carlo algorithm that scales existing Bayesian nonparametric models for clustering and feature allocation to big data. The algorithm is valid for any pr…
Ion Current as a Precise Measure of the Loading Rate of a Magneto-Optical Trap
Wei Jiang, Kevin Bailey, Zheng-Tian Lu +3
We have demonstrated that the ion current resulting from collisions between metastable krypton atoms in a magneto-optical trap can be used to precisely measure the trap loading rat…
Permutation Groups with a Cyclic Two-Orbits Subgroup and Monodromy Groups of Siegel Functions
Peter Mueller
We classify the finite primitive permutation groups which have a cyclic subgroup with two orbits. This extends classical topics in permutation group theory, and has arithmetic cons…
Fluid transport and mixing by an unsteady microswimmer
Peter Mueller, Jean-Luc Thiffeault
We study the fluid drift due to a time-dependent dumbbell model of a microswimmer. The model captures important aspects of real microswimmers such as a time-dependent flagellar mot…
A cryogenic SRAM based arbitrary waveform generator in 14 nm for spin qubit control
Mridula Prathapan, Peter Mueller, Christian Menolfi +8
Realization of qubit gate sequences require coherent microwave control pulses with programmable amplitude, duration, spacing and phase. We propose an SRAM based arbitrary waveform…
A Unified Decision Framework for Phase I Dose-Finding Designs
Yunshan Duan, Shijie Yuan, Yuan Ji +1
The purpose of a phase I dose-finding clinical trial is to investigate the toxicity profiles of various doses for a new drug and identify the maximum tolerated dose. Over the past…
Opportunities for Nuclear Physics & Quantum Information Science
Ian C. Cloët, Matthew R. Dietrich, John Arrington +23
This whitepaper is an outcome of the workshop Intersections between Nuclear Physics and Quantum Information held at Argonne National Laboratory on 28-30 March 2018 [www.phy.anl.gov…
On Ritt's polynomial decomposition theorems
Michael E. Zieve, Peter Mueller
Ritt studied the functional decomposition of a univariate complex polynomial f into prime (indecomposable) polynomials, f = u_1 o u_2 o ... o u_r. His main achievement was a proced…
Summarizing Bayesian Nonparametric Mixture Posterior -- Sliced Optimal Transport Metrics for Gaussian Mixtures
Khai Nguyen, Peter Mueller
Existing methods to summarize posterior inference for mixture models focus on identifying a point estimate of the implied random partition for clustering, with density estimation a…
Critical Dynamics of Gelation
Kurt Broderix, Henning Loewe, Peter Mueller +1
Shear relaxation and dynamic density fluctuations are studied within a Rouse model, generalized to include the effects of permanent random crosslinks. We derive an exact correspond…
A Recommender System Based on a Double Feature Allocation Model
Qiaohui Lin, Peter Mueller
A collaborative filtering recommender system predicts user preferences by discovering common features among users and items. We implement such inference using a Bayesian double fea…
TreeClone: Reconstruction of Tumor Subclone Phylogeny Based on Mutation Pairs using Next Generation Sequencing Data
Tianjian Zhou, Subhajit Sengupta, Peter Mueller +1
We present TreeClone, a latent feature allocation model to reconstruct tumor subclones subject to phylogenetic evolution that mimics tumor evolution. Similar to most current method…
Bayesian Multivariate Density-Density Regression
Khai Nguyen, Yang Ni, Peter Mueller
We introduce a novel and scalable Bayesian framework for multivariate-density-density regression (DDR), designed to model relationships between multivariate distributions. Our appr…
Reciprocal Graphical Models for Integrative Gene Regulatory Network Analysis
Yang Ni, Yuan Ji, Peter Mueller
Constructing gene regulatory networks is a fundamental task in systems biology. We introduce a Gaussian reciprocal graphical model for inference about gene regulatory relationships…
Bayesian Scalable Precision Factor Analysis for Massive Sparse Gaussian Graphical Models
Noirrit Kiran Chandra, Peter Mueller, Abhra Sarkar
We propose a novel approach to estimating the precision matrix of multivariate Gaussian data that relies on decomposing them into a low-rank and a diagonal component. Such decompos…
Shear viscosity of a crosslinked polymer melt
Kurt Broderix, Henning Loewe, Peter Mueller +1
We investigate the static shear viscosity on the sol side of the vulcanization transition within a minimal mesoscopic model for the Rouse-dynamics of a randomly crosslinked melt of…
Heterogeneous Reciprocal Graphical Models
Yang Ni, Peter Mueller, Yitan Zhu +1
We develop novel hierarchical reciprocal graphical models to infer gene networks from heterogeneous data. In the case of data that can be naturally divided into known groups, we pr…
Clustering and Meta-Analysis Using a Mixture of Dependent Linear Tail-Free Priors
Bernardo Flores, Peter Mueller
We propose a novel nonparametric Bayesian approach for meta-analysis with event time outcomes. The model is an extension of linear dependent tail-free processes. The extension incl…
Densities and filling factors of the DIG in the Solar neighbourhood
Elly M. Berkhuijsen, Peter Mueller
For the first time we have combined dispersion measures and emission measures towards 38 pulsars at KNOWN distances from which we derived the mean electron density in clouds, N_c,…