Publications (8)
A Generalise Harbourne-Hirschowitz Conjecture
James Alexander
A conjecture for higher order separation on generic rational surfaces with some new results about standard divisors.
Biordered Sets of Regular Rings
James Alexander, E. Krishnan
The set of idempotents of a regular semigroup is given an abstract characterization as a regular biordered set in [2], and in [4] it is shown how a biordered set can be associated…
Non-noetherian groups and primitivity of their group algebras
James Alexander, Tsunekazu Nishinaka
We prove that the group algebra of a group over a field is primitive, provided that has a free subgroup with the same cardinality as , and that satisfies th…
A graph theoretic encoding of Lucas sequences
James Alexander, Paul Hearding
Some well-known results of Prodinger and Tichy are that the number of independent sets in the -vertex path graph is , and that the number of independent sets in the …
A new method for enumerating independent sets of a fixed size in general graphs
James Alexander, Tim Mink
We develop a new method for enumerating independent sets of a fixed size in general graphs, and we use this method to show that a conjecture of Engbers and Galvin holds for all but…
Missing transverse energy significance at CMS
Nathan Mirman, Yimin Wang, James Alexander
Missing transverse energy significance may be used to help distinguish real missing transverse energy due to undetected particles from spurious missing transverse energy due to res…
Designs from Paley graphs and Peisert graphs
James Alexander
Fix positive integers and so that is prime, , and (mod ). Fix a graph as follows: If is odd or (mod ), let be th…
US Cosmic Visions: New Ideas in Dark Matter 2017: Community Report
Marco Battaglieri, Alberto Belloni, Aaron Chou +248
This white paper summarizes the workshop "U.S. Cosmic Visions: New Ideas in Dark Matter" held at University of Maryland on March 23-25, 2017.