Contents: conference appearances | seminar talks | workshops and discussions | lecture series

conference appearances

• "Morphic words governing the boundaries of cellular automata", CANT, Marseille, France (2012–5–23).   abstract | paper
• "k-automatic sets of rational numbers", LATA, A Coruña, Spain (2012–3–5).   paper
• "Counting equivalence classes of words in F₂", Outstanding Challenges in Combinatorics on Words, Banff, AB (2012–2–20).   paper
• "Growth of one-dimensional cellular automata", Joint Mathematics Meetings, Boston, MA (2012–1–6).   abstract | paper
• "Pattern avoidance in binary trees", Permutation Patterns, Cal Poly, San Luis Obispo, CA (2011–6–22).   paper
• "Toward a language theoretic proof of the four color theorem", Joint Mathematics Meetings, New Orleans, LA (2011–1–8).   abstract | paper
• "Ambiguity in a certain context-free grammar", Mini-Workshop: Combinatorics on Words, Oberwolfach, Germany (2010–8–27).   paper
• "Two binomial coefficient conjectures", From A=B to Z=60, Piscataway, NJ (2010–5–27).   abstract | video part 1 | video part 2 | paper
• "Wolfram|Alpha: Inside and Out" (Invited), Indiana MAA, Franklin College, Franklin, IN (2010–4–10).   abstract
• "The number of nonzero binomial coefficients modulo p^α", Joint Mathematics Meetings, San Francisco, CA (2010–1–14).   abstract | paper
• "Pattern avoidance in binary trees", Joint Mathematics Meetings, Washington, DC (2009–1–5).   abstract | paper
• "Regularity vs. complexity in the binary representation of 3ⁿ", Midwest NKS Conference, University of Indiana, Bloomington, IN (2008–10–31).   paper
• "A simple prime-generating recurrence", Joint Mathematics Meetings, San Diego, CA (2008–1–6).   abstract | paper
• "Numbers as programs: the power of digit sequences", NKS2007 Conference, University of Vermont, Burlington, VT (2007–7–14).   abstract
• "Classifying nestedness in cellular automata", NKS2006 Conference, Washington, DC (2006–6–17).   abstract
• "The right side of rule 30", Midwest NKS Conference, University of Indiana, Bloomington, IN (2005–10–28).   abstract | paper
• "The Fibonacci sequence and binomial coefficients mod n", NKS2004 Conference, Boston, MA (2004–4–25).   abstract
• "On equivalent words in the free group on two generators", Undergraduate poster session, Joint Mathematics Meetings, Baltimore, MD (2003–1–17).   paper

seminar talks

• "Automated symbolic number theory", Experimental Mathematics Seminar, Rutgers University, Piscataway, NJ (2012–4–5).   video part 1 | video part 2
• "Counting equivalence classes of words in F₂", Séminaire de combinatoire du LaCIM, UQAM, Montréal (2012–3–16).   paper
• "The hierarchy of integer sequences", Séminaire CIRGET–LaCIM, UQAM, Montréal (2012–3–1).
• "Words generated by cellular automata", Séminaire de combinatoire du LaCIM, UQAM, Montréal (2011–11–25).   paper
• "A program for symbolic number theory", Languages and Automata Theory Seminar, University of Waterloo, Waterloo (2011–11–14).
• "p-adic valuations of integer sequences", Number Theory Seminar, University of Waterloo, Waterloo (2011–11–10).
• "Sequences arising from cellular automata", Languages and Automata Theory Seminar, University of Waterloo, Waterloo (2011–9–26).   paper
• "Regular sequences", RISC, Hagenberg, Austria (2011–9–8).   abstract
• "Regular sequences", Algorithms Project Seminar, INRIA Rocquencourt, Le Chesnay, France (2011–9–5).   abstract
• "Generating primes", REU, Valparaiso University, Valparaiso, IN (2011–7–8).
• "The crazy Thue–Morse sequence", REU, Valparaiso University, Valparaiso, IN (2010–6–17).
• "The crazy Thue–Morse sequence", Graduate Student Colloquium, Tulane University, New Orleans, LA (2009–9–22).
• "Formulas for primes", Graduate Pizza Seminar, Rutgers University, Piscataway, NJ (2009–4–17).
• "Experimental methods applied to the computation of integer sequences" (thesis defense), Experimental Mathematics Seminar, Rutgers University, Piscataway, NJ (2009–4–2).
• "An introduction to generating functions, part 1", Graduate Combinatorics Seminar, Rutgers University, Piscataway, NJ (2009–1–28).
• "Pattern avoidance in binary trees", Graduate Combinatorics Seminar, Rutgers University, Piscataway, NJ (2008–10–1).   paper
• "The crazy Thue–Morse sequence", Graduate Pizza Seminar, Rutgers University, Piscataway, NJ (2008–2–29).
• "An introduction to cellular automata", Graduate Pizza Seminar, Rutgers University, Piscataway, NJ (2006–10–18).
• "Calculus for a discrete world", Seminar, William Paterson University, Wayne, NJ (2006–4–5).
• "Nested structures in cellular automata", Experimental Mathematics Seminar, Rutgers University, Piscataway, NJ (2006–1–19).
• "Math 135 for a discrete world", Graduate Pizza Seminar, Rutgers University, Piscataway, NJ (2005–10–19).
• "Pascal's triangle mod n: fractal dimensions, fractal sequences, and other exotic cuisine", Graduate Pizza Seminar, Rutgers University, Piscataway, NJ (2005–4–22).
• "All about primitive Pythagorean triples", Graduate Pizza Seminar, Rutgers University, Piscataway, NJ (2004–9–10).
• "On equivalent words in the free group of rank 2", Graduate Pizza Seminar, Rutgers University, Piscataway, NJ (2003–11–7).   paper

workshops and discussions

• paperfolding sequences, Round Table Discussion, Rutgers University, Piscataway, NJ (2009–4–22).
• Pythagorean triples, Round Table Discussion, Rutgers University, Piscataway, NJ (2009–3–4).
• bits of 3ⁿ, Round Table Discussion, Rutgers University, Piscataway, NJ (2009–2–11).   paper
• "Folding paper – dragon curves and fractals", Math Day, Princeton Friends School, Princeton, NJ (2008–11–15).
• cellular automata, Math Day, Princeton Friends School, Princeton, NJ (2008–11–15).
• Euler line, Round Table Discussion, Rutgers University, Piscataway, NJ (2008–10–28).
• Pythagorean triples, Experimental math undergraduate seminar (seventh (and partly the eighth) meeting), Rutgers University, Piscataway, NJ (2008–10–20).
• self-similar sequences, Round Table Discussion, Rutgers University, Piscataway, NJ (2008–9–30).
• cellular automata, guest "Problem of the Week" lecture, Princeton Friends School, Princeton, NJ (2005–4–29).

• Wolfram Science Summer School, Curry College, Milton, MA (summer 2012).
• NKS Summer School, University of Vermont, Burlington, VT (summer 2010).
• "Regular sequences", Tulane University, New Orleans, LA (April 2010).
• NKS Summer School, Istituto di Scienza e Tecnologie, Pisa (summer 2009).
• NKS Summer School, University of Vermont, Burlington, VT (summer 2008).
• NKS Summer School, University of Vermont, Burlington, VT (summer 2007).