立方体上相容四元方程的代数熵、对称性和线性化
Algebraic entropy, symmetries and linearization of quad equations consistent on the cube
摘要:
讨论了非自治的非线性偏差分方程,该方程属于Boll分类的围绕立方体相容的四图方程。我们展示了如何从一个细胞上的兼容方程,我们可以构建的晶格方程,其贝克隆变换和拉克斯对。通过进行代数熵计算,我们表明,$H^4$梯形和$H^6$家庭是线性化的,并在几个例子中,我们展示了我们如何可以有效地将它们线性化。
英文摘要:
We discuss the non autonomous nonlinear partial difference equations belonging to Boll classification of quad graph equations consistent around the cube. We show how starting from the compatible equations on a cell we can construct the lattice equations, its Bäcklund transformations and Lax pairs. By carrying out the algebraic entropy calculations we show that the $H^4$ trapezoidal and the $H^6$ families are linearizable and in a few examples we show how we can effectively linearize them.
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