Recent developments in Brill-Noether theory

D Jensen, S Payne - arXiv preprint arXiv:2111.00351, 2021 - arxiv.org
We briefly survey recent results related to linear series on curves that are general in various
moduli spaces, highlighting the interplay between algebraic geometry on a general curve …

Tropical methods in hurwitz-brill-noether theory

K Cook-Powell, D Jensen - Advances in Mathematics, 2022 - Elsevier
Splitting type loci are the natural generalizations of Brill-Noether varieties for curves with a
distinguished map to the projective line. We give a tropical proof of a theorem of H. Larson …

Higher rank Brill-Noether theory and coherent systems open questions

PE Newstead - Proyecciones (Antofagasta), 2022 - SciELO Chile
Higher rank Brill—Noether theory and coherent systems open questions Page 1 Higher rank
Brill—Noether theory and coherent systems open questions Peter E. Newstead University of …

Kirchhoff's theorem for Prym varieties

Y Len, D Zakharov - Forum of Mathematics, Sigma, 2022 - cambridge.org
We prove an analogue of Kirchhoff's matrix tree theorem for computing the volume of the
tropical Prym variety for double covers of metric graphs. We interpret the formula in terms of …

Tropical linear series and tropical independence

D Jensen, S Payne - arXiv preprint arXiv:2209.15478, 2022 - arxiv.org
We propose a definition of tropical linear series that isolates some of the essential
combinatorial properties of tropicalizations of not-necessarily-complete linear series on …

Brill--Noether theory of smooth curves in the plane and on Hirzebruch surfaces

H Larson, S Vemulapalli - arXiv preprint arXiv:2408.12678, 2024 - arxiv.org
In this paper, we describe the Brill--Noether theory of a general smooth plane curve and a
general curve $ C $ on a Hirzebruch surface of fixed class. It is natural to study the line …

Lazy tournaments and multidegrees of a projective embedding of

M Gillespie, ST Griffin, J Levinson - arXiv preprint arXiv:2108.00050, 2021 - arxiv.org
We provide a new geometric interpretation of the multidegrees of the (iterated) Kapranov
embedding $\Phi_n:\overline {M} _ {0, n+ 3}\hookrightarrow\mathbb {P}^ 1\times\mathbb …

Linear series with via thrifty Lego building

N Pflueger - Journal für die reine und angewandte Mathematik …, 2023 - degruyter.com
The moduli space G g, dr→ M g parameterizing algebraic curves with a linear series of
degree 𝑑 and rank 𝑟 has expected relative dimension ρ= g−(r+ 1)⁢(g− d+ r). Classical Brill …

The interpolation problem: When can you pass a curve of a given type through 𝑛 random points in space?

E Larson, R Vakil, I Vogt - Bulletin of the American Mathematical Society, 2025 - ams.org
The interpolation problem is a natural and fundamental question whose roots trace back to
ancient Greece. The story is long and rich, with many chapters, and a complete solution has …

An extended Demazure product on integer permutations via min-plus matrix multiplication

N Pflueger - arXiv preprint arXiv:2206.14227, 2022 - arxiv.org
Coxeter groups possess an associative operation, called variously the Demazure, greedy, or
$0 $-Hecke product. For symmetric groups, this product has an amusing formulation as …