Mechanically Proving Geometry Theorems Using a Combination of Wu's Method and Collins' Method. - Nicholas Freitag McPhee; Shang-Ching Chou; Xiao-Shan Gao (CADE, 1994)

Accurate Replication in Genetic Programming. - Nicholas Freitag McPhee; Justin Darwin Miller (ICGA, 1995)

AppGP: an alternative structural representation for GP. - Nicholas Freitag McPhee; Nicholas J. Hopper (CEC, 1999)

A schema theory analysis of mutation size biases in genetic programming with linear representations. - Nicholas Freitag McPhee; Riccardo Poli; Jonathan E. Rowe (CEC, 2001)

Exact GP schema theory for headless chicken crossover and subtree mutation. - Riccardo Poli; Nicholas Freitag McPhee (CEC, 2001)

A Schema Theory Analysis of the Evolution of Size in Genetic Programming with Linear Representations. - Nicholas Freitag McPhee; Riccardo Poli (EuroGP, 2001)

Exact Schema Theorems for GP with One-Point and Standard Crossover Operating on Linear Structures and Their Application to the Study of the Evolution of Size. - Riccardo Poli; Nicholas Freitag McPhee (EuroGP, 2001)

Using Schema Theory To Explore Interactions Of Multiple Operators. - Nicholas Freitag McPhee; Riccardo Poli (GECCO, 2002)

General Schema Theory for Genetic Programming with Subtree-Swapping Crossover: Part I. - Riccardo Poli; Nicholas Freitag McPhee (Evol. Comput., 2003)

General Schema Theory for Genetic Programming with Subtree-Swapping Crossover: Part II. - Riccardo Poli; Nicholas Freitag McPhee (Evol. Comput., 2003)

On the Strength of Size Limits in Linear Genetic Programming. - Nicholas Freitag McPhee; Alex Jarvis; Ellery Fussell Crane (GECCO (2), 2004)

Exact Schema Theory and Markov Chain Models for Genetic Programming and Variable-length Genetic Algorithms with Homologous Crossover. - Riccardo Poli; Nicholas Freitag McPhee; Jonathan E. Rowe (Genet. Program. Evolvable Mach., 2004)

A theoretical analysis of the HIFF problem. - Nicholas Freitag McPhee; Ellery Fussell Crane (GECCO, 2005)

Emergent Behaviour, Population-based Search and Low-pass Filtering. - Riccardo Poli; Alden H. Wright; Nicholas Freitag McPhee; William B. Langdon (IEEE Congress on Evolutionary Computation, 2006)

A Field Guide to Genetic Programming - Riccardo Poli; William B. Langdon; Nicholas Freitag McPhee (lulu.com, 2008)

N-gram GP: Early results and half-baked ideas. - Nicholas Freitag McPhee; Riccardo Poli (Theory of Evolutionary Algorithms, 2008)

Semantic Building Blocks in Genetic Programming. - Nicholas Freitag McPhee; Brian Ohs; Tyler Hutchison (EuroGP, 2008)

A Linear Estimation-of-Distribution GP System. - Riccardo Poli; Nicholas Freitag McPhee (EuroGP, 2008)

Memory with memory: soft assignment in genetic programming. - Nicholas Freitag McPhee; Riccardo Poli (GECCO, 2008)

Parsimony pressure made easy. - Riccardo Poli; Nicholas Freitag McPhee (GECCO, 2008)

The impact of population size on code growth in GP: analysis and empirical validation. - Riccardo Poli; Nicholas Freitag McPhee; Leonardo Vanneschi (GECCO, 2008)

Elitism reduces bloat in genetic programming. - Riccardo Poli; Nicholas Freitag McPhee; Leonardo Vanneschi (GECCO, 2008)

Genetic Programming: An Introduction and Tutorial, with a Survey of Techniques and Applications. - William B. Langdon; Riccardo Poli; Nicholas Freitag McPhee; John R. Koza (Computational Intelligence: A Compendium, 2008)

Memory with Memory in Tree-Based Genetic Programming. - Riccardo Poli; Nicholas Freitag McPhee; Luca Citi; Ellery Fussell Crane (EuroGP, 2009)

Free lunches for function and program induction. - Riccardo Poli; Mario Graff; Nicholas Freitag McPhee (FOGA, 2009)

Developmental plasticity in linear genetic programming. - Nicholas Freitag McPhee; Ellery Fussell Crane; Sara E. Lahr; Riccardo Poli (GECCO, 2009)

Introduction to genetic programming. - Riccardo Poli; Nicholas Freitag McPhee (GECCO (Companion), 2009)

Theoretical results in genetic programming: the next ten years? - Riccardo Poli; Leonardo Vanneschi; William B. Langdon; Nicholas Freitag McPhee (Genet. Program. Evolvable Mach., 2010)

Parsimony Pressure Made Easy: Solving the Problem of Bloat in GP. - Riccardo Poli; Nicholas Freitag McPhee (Theory and Principled Methods for the Design of Metaheuristics, 2014)

Impact of Crossover Bias in Genetic Programming. - Nicholas Freitag McPhee; M. Kirbie Dramdahl; David Donatucci (GECCO, 2015)

Lexicase Selection for Program Synthesis: A Diversity Analysis. - Thomas Helmuth; Nicholas Freitag McPhee; Lee Spector (GPTP, 2015)

Using Graph Databases to Explore the Dynamics of Genetic Programming Runs. - Nicholas Freitag McPhee; David Donatucci; Thomas Helmuth (GPTP, 2015)

The Impact of Hyperselection on Lexicase Selection. - Thomas Helmuth; Nicholas Freitag McPhee; Lee Spector (GECCO, 2016)

Effects of Lexicase and Tournament Selection on Diversity Recovery and Maintenance. - Thomas Helmuth; Nicholas Freitag McPhee; Lee Spector (GECCO (Companion), 2016)

Visualizing Genetic Programming Ancestries. - Nicholas Freitag McPhee; Maggie M. Casale; Mitchell Finzel; Thomas Helmuth; Lee Spector (GECCO (Companion), 2016)

Evolution Evolves with Autoconstruction. - Lee Spector; Nicholas Freitag McPhee; Thomas Helmuth; Maggie M. Casale; Julian Oks (GECCO (Companion), 2016)

Linear Genomes for Structured Programs. - Thomas Helmuth; Lee Spector; Nicholas Freitag McPhee; Saul Shanabrook (GPTP, 2016)

A Detailed Analysis of a PushGP Run. - Nicholas Freitag McPhee; Mitchell D. Finzel; Maggie M. Casale; Thomas Helmuth; Lee Spector (GPTP, 2016)

Improving generalization of evolved programs through automatic simplification. - Thomas Helmuth; Nicholas Freitag McPhee; Edward R. Pantridge; Lee Spector (GECCO, 2017)

Visualizing genetic programming ancestries using graph databases. - Nicholas Freitag McPhee; Maggie M. Casale; Mitchell Finzel; Thomas Helmuth; Lee Spector (GECCO (Companion), 2017)

Using algorithm configuration tools to optimize genetic programming parameters: a case study. - Nicholas Freitag McPhee; Thomas Helmuth; Lee Spector (GECCO (Companion), 2017)

On the difficulty of benchmarking inductive program synthesis methods. - Edward R. Pantridge; Thomas Helmuth; Nicholas Freitag McPhee; Lee Spector (GECCO (Companion), 2017)

Expressive genetic programming: concepts and applications. - Lee Spector; Nicholas Freitag McPhee (GECCO (Companion), 2017)

Program synthesis using uniform mutation by addition and deletion. - Thomas Helmuth; Nicholas Freitag McPhee; Lee Spector (GECCO, 2018)

Specialization and elitism in lexicase and tournament selection. - Edward R. Pantridge; Thomas Helmuth; Nicholas Freitag McPhee; Lee Spector (GECCO (Companion), 2018)

Push: genetic programming for finite algebras. - Lee Spector; Nicholas Freitag McPhee; David M. Clark; Ian Lindsay; Bradford Barr; Jon Klein (GECCO (Companion), 2019)

GP+EM 20th anniversary editorial. - Nicholas Freitag McPhee; William B. Langdon (Genet. Program. Evolvable Mach., 2020)

The Impact of Step Limits on Generalization and Stability in Software Synthesis. - Nicholas Freitag McPhee; Richard Lussier (GPTP, 2023)