Results 31 to 40 of about 515 (73)

Quantum cohomology of moduli spaces of genus zero stable curves

open access: yes, 2007
We investigate the (small) quantum cohomology ring of the moduli spaces of stable n-pointed curves of genus 0. In particular, we determine an explicit presentation in the case n=5 and we outline a computational approach to the case n=6.Comment: Reference
Fontanari, Claudio
core   +5 more sources

DONALDSON–THOMAS INVARIANTS OF LOCAL ELLIPTIC SURFACES VIA THE TOPOLOGICAL VERTEX

open access: yesForum of Mathematics, Sigma, 2019
We compute the Donaldson–Thomas invariants of a local elliptic surface with section. We introduce a new computational technique which is a mixture of motivic and toric methods. This allows us to write the partition function for the invariants in terms of
JIM BRYAN, MARTIJN KOOL
doaj   +1 more source

From Hurwitz numbers to Kontsevich-Witten tau-function: a connection by Virasoro operators

open access: yes, 2013
In this letter,we present our conjecture on the connection between the Kontsevich--Witten and the Hurwitz tau-functions. The conjectural formula connects these two tau-functions by means of the $GL(\infty)$ group element.
A. Alexandrov   +35 more
core   +1 more source

The log-open correspondence for two-component Looijenga pairs

open access: yesForum of Mathematics, Sigma
A two-component Looijenga pair is a rational smooth projective surface with an anticanonical divisor consisting of two transversally intersecting curves.
Yannik Schuler
doaj   +1 more source

Virtual classes of Artin stacks [PDF]

open access: yes, 2013
We construct virtual fundamental classes of Artin stacks over a Dedekind domain endowed with a perfect obstruction theory.Comment: 12 pages, comments ...
Poma, Flavia
core   +1 more source

Quasimaps to moduli spaces of sheaves

open access: yesForum of Mathematics, Pi
We develop a theory of quasimaps to a moduli space of sheaves M on a surface S. Under some assumptions, we prove that moduli spaces of quasimaps are proper and carry a perfect obstruction theory.
Denis Nesterov
doaj   +1 more source

A placebo‐controlled, double‐blind study evaluating the effect of orally administered polyunsaturated fatty acids on the oclacitinib dose for atopic dogs

open access: yesVeterinary Dermatology, Volume 35, Issue 4, Page 408-417, August 2024.
Background – Supplementation of polyunsaturated fatty acids (PUFA) enables dose reduction of prednisolone and ciclosporin in canine atopic dermatitis (cAD). Objective – To determine if oral administration of PUFA can reduce the dose of oclacitinib for cAD. Conclusion – Oral supplementation of PUFA allowed dose reduction of oclacitinib and improved pVAS,
Laura Schäfer, Nina Thom
wiley   +1 more source

Worldsheet Instantons and Torsion Curves [PDF]

open access: yes, 2008
We study aspects of worldsheet instantons relevant to a heterotic standard model. The non-simply connected Calabi-Yau threefold used admits Z_3 x Z_3 Wilson lines, and a more detailed investigation shows that the homology classes of curves are H_2(X,Z)=Z^
Braun, Volker   +3 more
core   +1 more source

An introduction to the theory of Higher rank stable pairs and Virtual localization

open access: yes, 2012
This article is an attempt to briefly introduce some of the results from arXiv:1011.6342 on development of a higher rank analog of the Pandharipande-Thomas theory of stable pairs on a Calabi-Yau threefold X. More precisely, we develop a moduli theory for
Sheshmani, Artan
core   +1 more source

On the asymptotic enumerativity property for Fano manifolds

open access: yesForum of Mathematics, Sigma
We study the enumerativity of Gromov–Witten invariants where the domain curve is fixed in moduli and required to pass through the maximum possible number of points.
Roya Beheshti   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy