2 problems

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Homotopy-commutativity conjecture for regularized maps into the 3-sphere
Homotopy-commutativity conjecture. The diagram
Conjectureopenhomotopy-theory loop-spaces wess-zumino-witten-modelarXiv posted 2 days ago
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Decomposition of two-soliton solutions into V-shape solitons
Consider the two-soliton solution of the four-dimensional Wess-Zumino-Witten model and its associated nonlinear sigma-model action density. A V-shape soliton is the soliton profile…
Conjectureopenintegrable-systems soliton-solutions wess-zumino-witten-modelarXiv posted 2 days ago

Homotopy-commutativity conjecture for regularized maps into the 3-sphere