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The Combinatorics Seminar: 109 Hits: \ //Room//: LN-2205<HTML></li></HTML> <HTML><li></HTML>**Tuesday, November 25 (joint with the [[../AlgebraSem/index.html|Algebra Seminar]])**\\ //Speaker//: Thomas Z... 205<HTML></li></HTML> <HTML><li></HTML><HTML></HTML>**Tuesday, December 2 (joint with the [[../AlgebraSem/index.html|Algebra Seminar]])**\\ //Speaker//: Simon Joyce (Binghamton)\\ //Title//: [[abstract.20081... ons]]\\ //Time//: 1:15 - 2:15\\ //Room//: LN-2205<HTML></HTML> <HTML></HTML>I will define a poset
Algebra Seminar: 55 Hits: tory.mcs.st-and.ac.uk/Mathematicians/Noether_Emmy.html|{{ http://seminars.math.binghamton.edu/AlgebraSem/emmy_noether.jpg?110*135|Emmy Noether}}]] \\ \\ ... ixed group $G$ </WRAP> ---- ---- * [[http://seminars.math.binghamton.edu/AlgebraSem/index.html|Pre-2014 semesters]]\\ * [[seminars:alge:fall2014]] * [[seminars:alge:spring2015]] * [[seminars:alge:alge_fall2015]] * [[seminars:alge:alge-spring2016]] * [[seminars:alge:alge-fall2016]] * [[se
Algebra Seminar: 54 Hits: tory.mcs.st-and.ac.uk/Mathematicians/Noether_Emmy.html|{{ http://seminars.math.binghamton.edu/AlgebraSem/emmy_noether.jpg?110*135|Emmy Noether}}]] \\ \\ ... lled</html> \\ ---- ---- * [[http://seminars.math.binghamton.edu/AlgebraSem/index.html|Pre-2014 semesters]]\\ * [[seminars:alge:fall2014]] * [[seminars:alge:spring2015]] * [[seminars:alge:alge_fall2015]] * [[seminars:alge:alge-spring2016]] * [[seminars:alge:alge-fall2016]] * [[se
Algebra Seminar: 52 Hits: tory.mcs.st-and.ac.uk/Mathematicians/Noether_Emmy.html|{{ http://seminars.math.binghamton.edu/AlgebraSem/emmy_noether.jpg?110*135|Emmy Noether}}]] \\ \\ ... nar </html> \\ ---- ---- * [[http://seminars.math.binghamton.edu/AlgebraSem/index.html|Pre-2014 semesters]]\\ * [[seminars:alge:fall2014]] * [[seminars:alge:spring2015]] * [[seminars:alge:alge_fall2015]] * [[seminars:alge:alge-spring2016]] * [[seminars:alge:alge-fall2016]] * [[se
Algebra Seminar: 51 Hits: tory.mcs.st-and.ac.uk/Mathematicians/Noether_Emmy.html|{{ http://seminars.math.binghamton.edu/AlgebraSem/emmy_noether.jpg?110*135|Emmy Noether}}]] \\ \\ ... rtex operators. </WRAP> ---- ---- * [[http://seminars.math.binghamton.edu/AlgebraSem/index.html|Pre-2014 semesters]]\\ * [[seminars:alge:fall2014]] * [[seminars:alge:spring2015]] * [[seminars:alge:alge_fall2015]] * [[seminars:alge:alge-spring2016]] * [[seminars:alge:alge-fall2016]] * [[se
Algebra Seminar: 48 Hits: tory.mcs.st-and.ac.uk/Mathematicians/Noether_Emmy.html|{{ http://seminars.math.binghamton.edu/AlgebraSem/emmy_noether.jpg?110*135|Emmy Noether}}]] \\ \\ ... *: Abstract text </WRAP> ---- ---- * [[http://seminars.math.binghamton.edu/AlgebraSem/index.html|Pre-2014 semesters]]\\ * [[seminars:alge:fall2014]] * [[seminars:alge:spring2015]] * [[seminars:alge:alge_fall2015]] * [[seminars:alge:alge-spring2016]] * [[seminars:alge:alge-fall2016]] * [[se
Fall 2019: 48 Hits: tory.mcs.st-and.ac.uk/Mathematicians/Noether_Emmy.html|{{ http://seminars.math.binghamton.edu/AlgebraSem/emmy_noether.jpg?110*135|Emmy Noether}}]] \\ \\ ... ct//**: Abstract </WRAP> ---- ---- * [[http://seminars.math.binghamton.edu/AlgebraSem/index.html|Pre-2014 semesters]]\\ * [[seminars:alge:fall2014|Fall 2014]] * [[seminars:alge:spring2015|Spring 2015]] * [[seminars:alge:alge_fall2015|Fall 2015]] * [[seminars:alge:alge-spring2016|Spring 2016]]
Fall 2017: 45 Hits: tory.mcs.st-and.ac.uk/Mathematicians/Noether_Emmy.html|{{ http://seminars.math.binghamton.edu/AlgebraSem/emmy_noether.jpg?110*135|Emmy Noether}}]] \\ \\ ... CK-algebras. </WRAP> ---- ---- * [[http://seminars.math.binghamton.edu/AlgebraSem/index.html|Pre-2014 semesters]]\\ * [[seminars:alge:fall2014]] * [[seminars:alge:spring2015]] * [[seminars:alge:alge_fall2015]] * [[seminars:alge:alge-spring2016]] * [[seminars:alge:alge-fall2016]] * [[se
Spring 2017: 43 Hits: -- ---- * [[http://www.math.binghamton.edu/dept/AlgebraSem/index.html|Pre-2014 semesters]]\\ * [[seminars:alge:fall2014]] * [[seminars:alge:spring2015]] * [[seminars:alge:alge_fall2015]] * [[seminars:alge:alge-spring2016]] * [[seminars:alge:alge-fall2016]]
Fall 2016: 39 Hits: =====Fall 2016===== * **August 30**\\ Organizational Meeting * **September 6**\\ <html> No talk this week </html>(see the Geometry/Topology seminar on September 8 [[http://www2.math.binghamton.edu/p/seminars/topsem|here]].)\\ * **September 13**\\ <html> Eran Crockett</html> (Binghamton University)\\ **// Properties of finite algebras //** \\ \\ <WRAP center box 90%> **//Abstract//**: We study various properties of finite algebras and the varieties they generate. In particular, we look for counterexamples to the conjecture that every dualizable algebra is finitely based. </WRAP> * **September 20**\\ <html> Name</html> (University)\\ **//Title of Talk//** \\ \\ <WRAP center box 90%> **//Abstract//**: Abstract for Talk </WRAP> * **September 27**\\ <html> Name</html> (University)\\ **//Title of Talk//** \\ \\ <WRAP center box 90%> **//Abstract//**: Abstract for Talk </WRAP> * **October 4**\\ <html> Holiday</html> \\ **//Title of Talk//** \\ \\ <WRAP center box 90%> **//Abstract//**: Abstract for Talk </WRAP> * **October 11**\\ <html> Name</html> (University)\\ **//Title of Talk//** \\ \\ <WRAP center box 90%> **//Abstract//**: Abstract for Talk </WRAP> * **October 18**\\ <html> Luise C. Kappe</html> \\ **//On auto commutators in infinite abelian groups //** \\ \\ <WRAP center box 90%> **//Abstract//**: Abstract for Talk </WRAP> * **October 25**\\ <html> Matt Evans</html> (Binghamton University)\\ **// An introduction to BCK-algebras //** \\ \\ <WRAP center box 90%> **//Abstract//**: In this talk I will introduce BCK-algebras and discuss some of their universal algebraic properties. In the bounded commutative case, I will develop the beginnings of a Priestley duality for BCK-algebras and discuss some complications. </WRAP> * **November 1**\\ <html> Rachel Skipper</html> (Binghamton University)\\ **// On some groups generated by finite automata //** \\ \\ <WRAP center box 90%> **//Abstract//**: Every invertible automaton with finitely many states produces a group of automorphisms of a regular rooted tree. In this talk, we outline how to obtain a group from an automaton and then discuss a particular family of examples. </WRAP> * **November 7**\\ <html> Matthew Moore </html> (McMaster University)\\ **// Dualizable algebras omitting types 1 and 5 have a cube term //** \\ \\ <WRAP center box 90%> **//Abstract//**: An early result in the theory of Natural Dualities is that an algebra with a near unanimity (NU) term is dualizable. A converse to this is also true: if V(A) is congruence distributive and A is dualizable, then A has an NU term. An important generalization of the NU term for congruence distributive varieties is the cube term for congruence modular (CM) varieties, and it has been thought that a similar characterization of dualizability for algebras in a CM variety would also hold. We prove that if A omits tame congruence types 1 and 5 (all locally finite CM varieties omit these types) and is dualizable, then A has a cube term. </WRAP> * **November 8**\\ <html> Colin Reid </html> (University of Newcastle)\\ **// Totally disconnected, locally compact groups //** \\ \\ <WRAP center box 90%> **//Abstract//**: Totally disconnected, locally compact (t.d.l.c.) groups are a large class of topological groups that arise from a few different sources, for instance as automorphism groups of combinatorial structures, or from the study of isomorphisms between finite index subgroups of a given group. Two analogies are that they are like 'discrete groups combined with compact groups' or 'non-Archimedean Lie groups'. A general theory has begun to emerge in recent years, in which we find that the interaction between small-scale and large-scale structure in t.d.l.c. groups is somewhere between the two extremes that these analogies would suggest. I will give a survey of some ways in which these groups arise and a few recent results in the area. </WRAP> * **November 15**\\ <html> Andrew Kelley</html> (Binghamton University)\\ **//Maximal subgroup growth: current progress and open questions //** \\ \\ <WRAP center box 90%> **//Abstract//**: This is an update on my research on the maximal subgroup growth of certain f.g. groups. The focus is on metabelian groups, virtually abelian groups, and on the Baumslag-Solitar groups. </WRAP> * **November 22**\\ <html> Name</html> (University)\\ **//Title of Talk//** \\ \\ <WRAP center box 90%> **//Abstract//**: Abstract for Talk </WRAP> * **November 29**\\ <html> Joseph Cyr</html> (Binghamton University)\\ **// Embedding Modes into Semimodules //** \\ \\ <WRAP center box 90%> **//Abstract//**: A mode is an algebra which is idempotent and whose basic operations are homomorphisms. The main focus of this talk will be to give a generalization of Jezek and Kepka's embedding theorem for groupoid modes. We will show that a mode is embeddable into a subreduct of a semimodule over a commutative semiring if and only if it satisfies the so called Szendrei identities. Thus the operations on Szendrei modes can be represented in a particularly nice way. This will involve thinking of operations "additively", that is, taking an n-ary operation and considering it as a sum of n unary operations. </WRAP> * **December 6**\\ <html> No talk this week </html>(attend the algebra candidate talk on Friday) \\ ---- ---- * [[http://www.math.binghamton.edu/dept/AlgebraSem/index.html|Pre-2014 semesters]]\\ * [[seminars:alge:fall2014]] * [[seminars:alge:spring2015]] * [[seminars:alge:alge_fall2015]] * [[seminars:alge:alge-spring2016]]
The Combinatorics Seminar: 17 Hits: 2205 **Tuesday, November 17 (joint with the [[../AlgebraSem/index.html|Algebra]] and [[../NumberTheorySem/index.html|Number Theory]] Seminars)**\\ //Speaker//: Justin Lambright (Lehigh)\\ //Title//: [[abstract.200911lam|A Combinatoria... 2205 **Tuesday, November 24 (joint with the [[../AlgebraSem/index.html|Algebra]] and [[../NumberTheorySem/index.html|Number Theory]] Seminars)**\\ //Speaker//: Matthias Beck (San Francisco State University)\\ //Title//: [[abstract.200
The Combinatorics Seminar: 9 Hits: 205 * **Thursday, April 20 (joint with the [[../AlgebraSem/index.html|Algebra Seminar]])**\\ //Speaker//: Stephanie van... * **Monday, May 8** (joint with the [[../topsem/index.html|Geometry and Topology Seminar]])\\ //Speaker//: D... hicago)\\ //Title//: [[../topsem/06Abstracts/biss.html|Annihilators in Cayley-Dickson Algebras]]\\ //Tim

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