In statistical mechanics, the hard hexagon model is a 2-dimensional lattice model of a gas, where particles are allowed to be on the vertices of a triangular...

solved models, in particular vertex models such as the six-vertex model and eight-vertex model, and the chiral Potts model and hard hexagon model. A recurring...

The quantum Heisenberg model, developed by Werner Heisenberg, is a statistical mechanical model used in the study of critical points and phase transitions...

found for a few toy models. Some examples include the Bethe ansatz, square-lattice Ising model in zero field, hard hexagon model. Although some problems...

statistical lattice models 8-vertex model Gaudin model Ising model in 1- and 2-dimensions Ice-type model of Lieb Quantum Heisenberg model Hitchin system Pentagram...

Kontorova (1939) in their study of crystal dislocations known as the Frenkel–Kontorova model. This equation attracted a lot of attention in the 1970s due to the presence...

of studying lattice models. Calculations with corner transfer matrices led Baxter to the exact solution of the hard hexagon model in 1980. Consider an...

in one- and two-dimensions Square ice model Eight-vertex model Hard hexagon model Chiral Potts model Exactly solvable quantum spin chains Contributors...

in one- and two-dimensions Square ice model Eight-vertex model Hard hexagon model Chiral Potts model Exactly solvable quantum spin chains Contributors...

is a partial differential equation (PDE) which serves as a mathematical model of waves on shallow water surfaces. It is particularly notable as the prototypical...

In nuclear physics, the chiral model, introduced by Feza Gürsey in 1960, is a phenomenological model describing effective interactions of mesons in the...

Rogers–Ramanujan identities appeared in Baxter's solution of the hard hexagon model in statistical mechanics. The demodularized standard form of the Ramanujan's...

closely related algebraic Bethe ansatz, is a method for solving integrable models in 1+1 dimensions, introduced by Leon Takhtajan and L. D. Faddeev in 1979...

spectral curves. (The Garnier system is the classical limit of the Gaudin model. In turn, the Schlesinger equations are the classical limit of the Knizhnik–Zamolodchikov...

physics, the Garnier integrable system, also known as the classical Gaudin model is a classical mechanical system discovered by René Garnier in 1919 by taking...

lattice models such as the six-vertex model of Lieb and the Heisenberg spin chain and integrable field theories such as principal chiral models, symmetric...

Hexagon Geospatial's (a division of Intergraph Corporation) GeoMedia Professional is a geographic information system (GIS) management solution for map...

diamond. The general process for c-BN synthesis is the dissolution of hexagonal boron nitride (h-BN) in a solvent-catalyst, usually alkali or alkaline...

(conventionally known as Models 1941 and 1942) were officially called "Model 1941", and hexagonal-turret T-34 (Model 1943) was officially called "Model 1942". German...

GAP) feature octagonal polygonal rifling rather than the hexagonal-shaped bores used for models in most other chamberings. Octagonal rifling provides a...

supercar, such as the "Y" (present in some decoration of the saddle) and the hexagon (noticeable in the shape of the exhausts). Other elements that have been...

is 46 GPa, slightly harder than commercial borides but softer than the cubic form of boron nitride. Hexagonal form (h-BN) hexagonal analogous to graphite...

of a regular hexagon. In the same way, the nine vertices of the triaugmented triangular prism represent the nine diagonals of a hexagon, with two vertices...

Shifting". Proc. CVPR. "3D Quality Control of Plastic Parts". Hexagon. Retrieved 2025-07-17. Hexagon Manufacturing Intelligence (2025-02-19). Focus on what matters:...

Another distinctive feature is that the cross-section of its cylinder is hexagonal (though with rounded corners) instead of circular; this is intended to...

Poisson model of a cellular network proves to be more tractable than a hexagonal model. Meanwhile, this observation could be argued by the fact that a detailed...

that these "human" models are actually genestealer hybrids who look perfectly human. Like other Tyranids, Genestealers are fast and hard-hitting but fragile...

1972 model year saw minor cosmetic changes. A difference that differentiates a 1972 Firebird from the other 1970-73 Firebirds is the hexagonal honeycomb...

scratchpad memory fed by direct memory access, but modern DSPs such as Qualcomm Hexagon often include a very similar set of caches to a CPU (e.g. Modified Harvard...

armor is one of these systems. European developments in spherical and hexagonal arrays have resulted in products that have some flex and multi hit performance...