A Note on Nahm's Conjecture in Rank 2 Case
classification
🧮 math-ph
hep-thmath.AGmath.MPmath.NT
keywords
caseconjecturenahmrankcompletecomplexdefiniteentries
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The aim of this paper is to get a complete list of positive definite symmetric matrices with integer entries $\a&b\b&d\$ such that all complex solutions to the system of equations $1-x_1=x_1^ax_2^b\ 1-x_2=x_1^bx_2^d$ are real. This result is related to Nahm's conjecture in rank 2 case.
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