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Darboux Transforms for the $${\hat{B}}_n^{(1)}$$ B ^ n ( 1 ) -Hierarchy
The Journal of Geometric Analysis ( IF 1.2 ) Pub Date : 2020-07-07 , DOI: 10.1007/s12220-020-00454-7
Chuu-Lian Terng , Zhiwei Wu

The \({\hat{B}}_n^{(1)}\)-hierarchy is constructed from the standard splitting of the affine Kac–Moody algebra \({\hat{B}}_n^{(1)}\), the Drinfeld–Sokolov \({\hat{B}}_n^{(1)}\)–KdV hierarchy is obtained by pushing down the \({\hat{B}}_n^{(1)}\)-flows along certain gauge orbit to a cross section of the gauge action. In this paper, we

  1. (1)

    use loop group factorization to construct Darboux transforms (DTs) for the \({\hat{B}}_n^{(1)}\)-hierarchy,

  2. (2)

    give a Permutability formula and scaling transform for these DTs,

  3. (3)

    use DTs of the \({\hat{B}}_n^{(1)}\)-hierarchy to construct DTs for the \({\hat{B}}_n^{(1)}\)–KdV and the isotropic curve flows of B-type,

  4. (4)

    give algorithm to construct soliton solutions and write down explicit soliton solutions for the third \({\hat{B}}_1^{(1}\)–KdV, \({\hat{B}}_2^{(1)}\)–KdV flows and isotropic curve flows on \(\mathbb {R} ^{2,1}\) and \(\mathbb {R} ^{3,2}\) of B-type.



中文翻译:

Darboux为$$ {\ hat {B}} _ n ^ {(1)} $$ B ^ n(1)-层次结构进行变换

\({\帽子{B}} _ N R个{(1)} \) -hierarchy从仿射卡茨-穆迪代数的标准分割构造\({\帽子{B}} _ N R个{(1)} \) ,所述Drinfeld模-索科洛夫\({\帽子{B}} _ N R个{(1)} \) -KdV层次结构是通过向下推得到的\({\帽子{B}} _ N R个{(1)} \) -沿着某些轨距轨道流向轨距动作的横截面。在本文中,我们

  1. (1)

    使用循环组分解为\({\ hat {B}} _ n ^ {(1)} \)- hierarchy构造Darboux变换(DT),

  2. (2)

    给出这些DT的置换性公式和比例转换,

  3. (3)

    使用\({\ hat {B}} _ n ^ {(1)} \)层次结构的DT为\({\ hat {B}} _ n ^ {(1)} \)– KdV和B型各向同性曲线流,

  4. (4)

    给出算法来构造孤子解,并为第三个\({\ hat {B}} _ 1 ^ {(1} \)– KdV,\({\ hat {B}} _ 2 ^ {(1) } \)– B型的\(\ mathbb {R} ^ {2,1} \)\(\ mathbb {R} ^ {3,2} \)上的KdV流和各向同性曲线流。

更新日期:2020-07-07
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