Note that searching for "Frederick Matsen" via search engines is complicated by Erick's father and his grandfather both being scientists and using the same name.

A surrogate function for one-dimensional phylogenetic likelihoods
Claywell, Dinh, McCoy, and Matsen IV
arXiv; in revision for MBE, 2017.
Effective Online Bayesian Phylogenetics Via Sequential Monte Carlo With Guided Proposals
Fourment, Claywell, Dinh, McCoy, Matsen IV, and Darling
bioRxiv; in revision for Sys Bio, 2017.
The combinatorics of discrete time-trees: theory and open problems
Gavryushkin, Whidden, and Matsen IV
J. Math. Biol., 2017.
Probabilistic Path Hamiltonian Monte Carlo
Dinh, Bilge, Zhang, and Matsen IV
International Conference on Machine Learning, PMLR, 2017.
The shape of the one-dimensional phylogenetic likelihood function
Dinh and Matsen IV
Ann. Appl. Probab., 2017.
On the enumeration of tanglegrams and tangled chains
Billey, Konvalinka, and Matsen IV
J. Combin. Theory Ser. A, 2017.
Chain Reduction Preserves the Unrooted Subtree Prune-and-Regraft Distance
Whidden and Matsen IV
arXiv, 2016.
Online Bayesian phylogenetic inference: theoretical foundations via Sequential Monte Carlo
Dinh, Darling, and Matsen IV
arXiv; in revision for Sys Bio, 2016.
Consistency and convergence rate of phylogenetic inference via regularization
Dinh, Ho, Suchard, and Matsen IV
arXiv; accepted to Annals of Statistics, 2016.
Efficiently Inferring Pairwise Subtree Prune-and-Regraft Adjacencies between Phylogenetic Trees
Whidden and Matsen IV
arXiv, 2016.
Likelihood-Based Inference of B Cell Clonal Families
Ralph and Matsen IV
PLoS Comput. Biol., 2016.
Tanglegrams: a Reduction Tool for Mathematical Phylogenetics
Matsen IV, Billey, Kas, and Konvalinka
IEEE/ACM Trans. Comput. Biol. Bioinform., 2016.
Ricci-Ollivier Curvature of the Rooted Phylogenetic Subtree-Prune-Regraft Graph
Whidden and Matsen IV
2016 Proceedings of the Thirteenth Workshop on Analytic Algorithmics and Combinatorics ({ANALCO}), SIAM, 2016.
Consistency of VDJ Rearrangement and Substitution Parameters Enables Accurate B Cell Receptor Sequence Annotation
Ralph and Matsen IV
PLOS Comput. Biol., 2016.
Calculating the Unrooted Subtree Prune-and-Regraft Distance
Whidden and Matsen IV
arXiv, 2015.
Quantifying evolutionary constraints on B-cell affinity maturation
McCoy, Bedford, Minin, Bradley, Robins, and Matsen IV
Philos. Trans. R. Soc. Lond. B Biol. Sci., 2015.
The evolution within us
Cobey, Wilson, and Matsen IV
Philos. Trans. R. Soc. Lond. B Biol. Sci., 2015.
Bacterial Composition of the Human Upper Gastrointestinal Tract Microbiome Is Dynamic and Associated with Genomic Instability in a Barrett's Esophagus Cohort
Gall, Fero, McCoy, Claywell, Sanchez, Blount, Li, Vaughan, Matsen, Reid, and Salama
PLoS One, 2015.
Quantifying MCMC exploration of phylogenetic tree space
Whidden and Matsen IV
Systematic Biology, 2015.
Risk of Drug Resistance Among Persons Acquiring HIV Within a Randomized Clinical Trial of Single- or Dual-Agent Preexposure Prophylaxis
Lehman, Baeten, McCoy, Weis, Peterson, Mbara, Donnell, Thomas, Hendrix, Marzinke, Frenkel, Ndase, Mugo, Celum, Overbaugh, Matsen, and {The Partners PrEP study team}
J. Infect. Dis., 2015.
Phylogenetics and the human microbiome
Matsen IV
Syst. Biol. (invited review), 2015.
Computational Tools for Taxonomic Assignment
Hoffman and Matsen
Encyclopedia of Metagenomics, Springer New York, 2014.
PhyloSift: phylogenetic analysis of genomes and metagenomes
Darling, Jospin, Lowe, Matsen IV, Bik, and Eisen
PeerJ, 2014.
A Novel Bayesian Method for Detection of APOBEC3-Mediated Hypermutation and Its Application to Zoonotic Transmission of Simian Foamy Viruses
Matsen IV, Small, Soliven, Engel, Feeroz, Wang, Craig, Hasan, Emerman, Linial, and Jones-Engel
PLoS Comput. Biol., 2014.
Simian Foamy Virus Infection of Rhesus Macaques in Bangladesh: Relationship of latent proviruses and transcriptionally active viruses
Soliven, Wang, Small, Feeroz, Lee, Craig, Hasan, Engel, Jones-Engel, Matsen, and Linial
Journal of virology, 2013.
Zoonotic simian foamy virus in Bangladesh reflects diverse patterns of transmission and co-infection
Jones-Engel, Engel, Small, Soliven, Feeroz, Wang, Hasan, Oh, Alam, Craig, Jackson, IV, and Linial
Emerging Microbes and Infections, 2013.
Abundance-weighted phylogenetic diversity measures distinguish microbial community states and are robust to sampling depth
McCoy and Matsen
PeerJ, 2013.
HIV-1 Superinfection Occurs Less Frequently than Initial Infection in a Cohort of High-Risk Kenyan Women
Ronen, McCoy, Matsen, Boyd, Emery, Odem-Davis, Jaoko, Mandaliya, McClelland, Richardson, and Overbaugh
PLOS Pathogens, 2013.
Gene loss and adaptation to hominoids underlie the ancient origin of HIV-1
Etienne, Hahn, Sharp, Matsen, and Emerman
Cell Host \& Microbe, 2013.
High-throughput sequencing of B-and T-lymphocyte antigen receptors in hematology
Warren, Matsen, and Chou
Blood, 2013.
Population Dynamics of Rhesus Macaques and Associated Foamy Virus in Bangladesh
Feeroz, Soliven, Small, Engel, Pacheco-Delgado, Yee, Wang, Hasan, Oh, Levine, Alam, Craig, Jackson, Lee, Barry, Lerche, Escalante, Matsen, Linial, and Jones-Engel
Emerging Microbes and Infections, 2013.
The mean and variance of phylogenetic diversity under rarefaction
Nipperess and Matsen
Methods in Ecology and Evolution, 2013.
Rapid 16S rRNA Next-Generation Sequencing of Polymicrobial Clinical Samples for Diagnosis of Complex Bacterial Infections
Salipante, Sengupta, Rosenthal, Costa, Spangler, Sims, Jacobs, Miller, Hoogestraat, Cookson, McCoy, Matsen, Shendure, Lee, Harkins, and Hoffman
PLOS ONE, 2013.
Minimizing the average distance to a closest leaf in a phylogenetic tree
Matsen, Gallagher, and McCoy
Systematic Biology, 2013.
nestly--- a framework for running software with nested parameter choices and aggregating results
Matsen, Gallagher, and McCoy
Bioinformatics, 2013.
Edge principal components and squash clustering: using the special structure of phylogenetic placement data for sample comparison
Matsen and Evans
PLOS ONE, 2012.
Phylogenomic Analysis Reveals Dynamic Evolutionary History of the Drosophila Heterochromatin Protein 1 (HP1) Gene Family
Levine, McCoy, Vermaak, Lee, Hiatt, Matsen, and Malik
PLOS Genetics, 2012.
Bacterial communities in women with bacterial vaginosis: high resolution phylogenetic analyses reveal relationships of microbiota to clinical criteria
Srinivasan, Hoffman, Morgan, Matsen, Fiedler, Hall, Ross, McCoy, Bumgarner, Marrazzo, and Fredricks
PLOS ONE, 2012.
Low-frequency nevirapine resistance at multiple sites may predict treatment failure in infants on nevirapine-based treatment.
Lehman, Wamalwa, McCoy, Matsen, Langat, Chohan, Benki-Nugent, Custers-Allen, Bushman, John-Stewart, and Overbaugh
Journal of Acquired Immune Deficiency Syndromes, 2012.
The phylogenetic Kantorovich-Rubinstein metric for environmental sequence samples
Evans and Matsen
Journal of the Royal Statistical Society (B), 2012.
A format for phylogenetic placements
Matsen, Hoffman, Gallagher, and Stamatakis
PLOS ONE, 2012.
The ability of primate lentiviruses to degrade the monocyte restriction factor SAMHD1 preceded the birth of the viral accessory protein Vpx
Lim, Fregoso, McCoy, Matsen, Malik, and Emerman
Cell Host and Microbe, 2012.
Reconciling taxonomy and phylogenetic inference: formalism and algorithms for describing discord and inferring taxonomic roots
Matsen and Gallagher
Algorithms for Molecular Biology, 2012.
Ubiquity of synonymity: almost all large binary trees are not uniquely identified by their spectra or their immanantal polynomials
Matsen and Evans
Algorithms for Molecular Biology, 2012.
Polyhedral geometry of phylogenetic rogue taxa
Cueto and Matsen
Bulletin of Mathematical Biology, 2011.
constNJ: an algorithm to reconstruct sets of phylogenetic trees satisfying pairwise topological constraints
Journal of Computational Biology, 2010.
pplacer: linear time maximum-likelihood and Bayesian phylogenetic placement of sequences onto a fixed reference tree
Matsen, Kodner, and Armbrust
BMC Bioinformatics, 2010.
Fourier transform inequalities for phylogenetic trees
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB), 2009.
A method for investigating relative timing information on phylogenetic trees
Ford, Matsen, and Stadler
Systematic Biology, 2009.
To what extent does genealogical ancestry imply genetic ancestry?
Matsen and Evans
Theoretical Population Biology, 2008.
Mixed-up trees: the structure of phylogenetic mixtures
Matsen, Mossel, and Steel
Bulletin of Mathematical Biology, 2008.
Optimization over a class of tree shape statistics
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB), 2007.
Phylogenetic mixtures on a single tree can mimic a tree of another topology
Matsen and Steel
Systematic Biology, 2007.
The Bayesian ``star paradox'' persists for long finite sequences
Steel and Matsen
Molecular Biology and Evolution, 2007.
Convergence to the island-model coalescent process in populations with restricted migration
Matsen and Wakeley
Genetics, 2006.
A geometric approach to tree shape statistics
Systematic Biology, 2006.
Win--stay, lose--shift in language learning from peers
Matsen and Nowak
Proceedings of the National Academy of Sciences of the United States of America, 2004.