Results 41 to 50 of about 7,337 (162)

Potts model on recursive lattices: some new exact results

, 2012
We compute the partition function of the Potts model with arbitrary values of $q$ and temperature on some strip lattices. We consider strips of width $L_y=2$, for three different lattices: square, diced and `shortest-path' (to be defined in the text). We
A. Bedini, A. Hintermann, B. Svetitsky, C.-K. Hu, C.M. Fortuin, C.N. Yang, D.A. Huse, F. Canfora, F. Canfora, F.Y. Wu, F.Y. Wu, F.Y. Wu, H. Feldmann, H.W.J. Blöte, J. Kondev, J. Salas, J. Salas, J.-A. Chen, J.L. Jacobsen, J.L. Monroe, L. Onsager, M. Astorino, M. Astorino, M. Astorino, M. Rocek, M. Rocek, M. Suzuki, M. Suzuki, N.L. Biggs, P. D. Alvarez, P.W. Kasteleyn, R. Abe, R. Abe, R. Kotecký, R. Shrock, R. Shrock, R.B. Potts, R.J. Baxter, R.J. Baxter, S. A. Reyes, S. Beraha, S. Beraha, S. Riquelme, S.-C. Chang, S.-C. Chang, S.-C. Chang, S.-C. Chang, S.-C. Chang, T.D. Lee   +48 more
core   +1 more source

A new South American darter (Crenuchidae: Characidium) from rivers draining the Northeastern Mata Atlantica Freshwater Ecoregion, Brazil: morphological and molecular evidence

Journal of Fish Biology, EarlyView.
Abstract Characidium tupi, a new species from rivers draining the southern portion of the Northeastern Mata Atlantica Freshwater Ecoregion, is described. The new species can be distinguished from all congeners by its colour pattern, including 7–14 dark bars enlarged and more conspicuous on their ventralmost portion, resulting in a longitudinal series ...
Angela M. Zanata, Leonardo Oliveira‐Silva   +1 more
wiley   +1 more source

Effectiveness of Gel‐immersion Endoscopic Injection Sclerotherapy Under Texture and Color Enhancement Imaging for Esophageal Varices: A Comparison of Variceal Visibility Under Gel With White Light Imaging

DEN Open, Volume 6, Issue 1, April 2026.
ABSTRACT Objective Gel‐immersion endoscopic injection sclerotherapy (GI‐EIS) addresses the technical challenges in intravariceal injection for esophageal varices (EVs). However, gel accumulation may obscure the variceal morphology. Thus, we developed GI‐EIS under texture and color enhancement imaging (TXI) and evaluated its effectiveness.
Tsunetaka Kato, Takuto Hikichi, Jun Nakamura, Minami Hashimoto, Takumi Yanagita, Mitsuru Otsuka, Daiki Nemoto, Rei Suzuki, Mitsuru Sugimoto, Hiroyuki Asama, Kentaro Sato, Hiroshi Shimizu, Kento Osawa, Rei Ohira, Masao Kobayakawa, Hiromasa Ohira   +15 more
wiley   +1 more source

(3+1)-dimensional topological phases and self-dual quantum geometries encoded on Heegard surfaces

, 2017
We apply the recently suggested strategy to lift state spaces and operators for (2+1)-dimensional topological quantum field theories to state spaces and operators for a (3+1)-dimensional TQFT with defects.
Dittrich, Bianca
core   +1 more source

Characterising Spectral Sensitivity and the Role of Sunlight Intensity in Japanese Beetle (Popillia japonica) Surveillance and Monitoring (Coleoptera: Scarabaeidae)

Journal of Applied Entomology, Volume 150, Issue 1, Page 46-55, February 2026.
ABSTRACT The Japanese beetle (JB) Popillia japonica (Coleoptera: Scarabaeidae) has been a significant invasive pest for over a century in North America. Several studies have reported that plants under direct sunlight are preferred and trap colour affects the number of beetles captured, indicating that visual stimuli influence JB behaviour. Despite this,
Quentin Guignard, Joel Goodwin, Troy Kimoto, Kenneth F. Haynes, Jeremy D. Allison   +4 more
wiley   +1 more source

Spectral properties of digraphs with a fixed dichromatic number [PDF]

, 2023
Xiuwen Yang
openalex   +1 more source

On the dichromatic number of surfaces [PDF]

, 2021
P Aboulker, Frédéric Havet, Kolja Knauer, Clément Rambaud   +3 more
openalex   +2 more sources

Chromatic roots are dense in the whole complex plane [PDF]

, 2004
I show that the zeros of the chromatic polynomials P-G(q) for the generalized theta graphs Theta((s.p)) are taken together, dense in the whole complex plane with the possible exception of the disc \q - l\ < l.
Sokal, AD
core  

Lattice Points in Orthotopes and a Huge Polynomial Tutte Invariant of Weighted Gain Graphs

, 2015
A gain graph is a graph whose edges are orientably labelled from a group. A weighted gain graph is a gain graph with vertex weights from an abelian semigroup, where the gain group is lattice ordered and acts on the weight semigroup.
Forge, David, Zaslavsky, Thomas
core   +3 more sources

Cuts in matchings of 3-connected cubic graphs

, 2018
We discuss conjectures on Hamiltonicity in cubic graphs (Tait, Barnette, Tutte), on the dichromatic number of planar oriented graphs (Neumann-Lara), and on even graphs in digraphs whose contraction is strongly connected (Hochst\"attler). We show that all
Knauer, Kolja, Valicov, Petru
core   +2 more sources