### The hidden subgroup problem for universal algebras

Date: | 2021-03-16 |

Event: | PALS |

Location: | The University of Colorado (virtual)
Boulder, Colorado |

Slides: | [pdf] [tex] |

### The hidden subgroup problem for universal algebras

Date: | 2020-07-08 |

Event: | LICS 2020: Thirty-Fifth Annual ACM/IEEE Symposium on Logic in Computer Science |

Location: | Saarbrücken, Germany (virtual) |

Slides: | [pdf] [tex] |

### Quantum algorithms for universal algebras

Date: | 2020-01-19 |

Event: | Birkhoff Seminar |

Location: | The University of Colorado
Boulder, Colorado |

### Supernilpotence need not imply nilpotence

Date: | 2020-01-15 |

Event: | Joint Mathematics Meetings 2020 |

Location: | Denver, CO |

Slides: | [pdf] [tex] |

### Quantum Computation and Universal Algebra

Date: | 2019-10-17 |

Event: | Department Colloquim |

Location: | Vanderbilt University
Nashville, TN |

Slides: | [pdf] [tex] |

### Finite degree clones are undecidable

Date: | 2019-06-22 |

Event: | AAA98 |

Location: | TU Dresden
Dresden, Germany |

Slides: | [pdf] [tex] |

### Finite degree clones are undecidable

Date: | 2019-05-20 |

Event: | BLAST 2019 |

Location: | The University of Colorado
Boulder, CO |

Slides: | [pdf] [tex] |

### Indecision: finitely generated, finitely related clones

Date: | 2019-03-22 |

Event: | Universal Algebra and Logic Seminar |

Location: | Vanderbilt University
Nashville, TN |

Slides: | [pdf] [tex] |

### Promising satisfaction

Date: | 2018-03-30 |

Event: | Universal Algebra and Logic Seminar |

Location: | Vanderbilt University
Nashville, TN |

### Decidability in universal algebra

Date: | 2017-03-10 |

Event: | The American Mathematical Society
Spring Southeastern Sectional Meeting |

Location: | College of Charleston
Charleston, SC |

Slides: | [pdf] [tex] |

### Naturally dualizable algebras omitting types 1 and 5 have a cube term

Date: | 2016-12-04 |

Event: | The Canadian Mathematical Society
2016 Winter Meeting |

Location: | Niagara Falls, Ontario, Canada |

Slides: | [pdf] [tex] |

### Natural dualities for algebras

Date: | 2016-11-07 |

Event: | Department Colloquium |

Location: | SUNY Binghamton
Binghamton, NY |

### Decidability in Universal Algebra

Date: | 2016-09-27 |

Event: |
Structure and Complexity in Universal Algebra
Shanks Workshop |

Location: | Vanderbilt University
Nashville, TN |

Slides: | [pdf] [tex] |

### Relational coloring of varieties containing a cube term

Date: | 2016-05-21 |

Event: | Algebras and Algorithms, Structure and Complexity Theory |

Location: | The University of Colorado
Boulder, CO |

Slides: | [pdf] [tex] |

### Decidability in general algebra

Date: | 2015-12-08 |

Event: | Department colloquium |

Location: | Iowa State University
Ames, IA |

### Characterizing Taylor varieties

Date: | 2015-12-07 |

Event: | Combinatorics/Algebra seminar |

Location: | Iowa State University
Ames, IA |

### Absorption and directed Jonsson terms

Joint with: | Alexandr Kazda (Institute of Science and Technology),
Marcin Kozik University), McKenzie, Ralph (Vanderbilt University) |

Date: | 2015-06-11 |

Event: | BLAST 2015 |

Location: | The University of North Texas
Denton, TX |

Slides: | [pdf] [tex] |

### Optimal strong Maltsev conditions for congruence meet-semidistributivity

Date: | 2015-01-07 |

Event: | BLAST 2014 |

Location: | New Mexico State University
Las Cruces, NM |

Slides: | [pdf] [tex] |

### Optimal strong Maltsev conditions for congruence meet-semidistributivity

Date: | 2014-11-27 |

Event: | BIRS Workshop in
Algebraic and Model Theoretical Methods in Constraint Satisfaction |

Location: | The Banff Centre
Banff, Alberta, Canada |

Slides: | [pdf] [tex] |

### Naturally dualizable algebras omitting types 1 and 5 have a cube term

Date: | 2014-05-20 |

Event: | The Association for Symbolic Logic
2014 North American Annual Meeting |

Location: | The University of Colorado
Boulder, CO |

Slides: | [pdf] [tex] |

### The variety generated by A(T) — two counterexamples

Date: | 2013-10-06 |

Event: | The American Mathematical Society
Fall Southeastern Sectional Meeting |

Location: | The University of Louisville
Louisville, KY |

Slides: | [pdf] [tex] |

### The undecidability of definable principal subcongruences

Date: | 2013-04-13 |

Event: | The American Mathematical Society
Spring Western Sectional Meeting |

Location: | The University of Colorado
Boulder, CO |

Slides: | [pdf] [tex] |