clopen.solutions

Open problems

980 registered problems.

OP-00127 Open
Border Comon's conjecture over the complex numbers
AG · border ranks · OpenProblemsInNLA · secant varieties · symmetric tensors
OP-00128 Open
Generic identifiability of tensors at strictly subcritical ranks
AG · identifiability · OpenProblemsInNLA · secant varieties · tensor decompositions
OP-00134 Open
Degree-five, six, and nine generation of the Salmon tensor ideal
AG · border ranks · OpenProblemsInNLA · phylogenetic invariants · secant varieties
OP-00135 Open
Cohen–Macaulay coordinate rings for every tensor border-rank variety
AG · Cohen–Macaulay rings · OpenProblemsInNLA · secant varieties · Segre varieties
OP-00139 Open
The four-exception conjecture for alternating tensor border-rank varieties
AG · alternating tensors · Grassmannians · OpenProblemsInNLA · secant varieties
OP-00216 Solution claimed
Border-rank deficiency forcing strict submultiplicativity at the tensor square
AG · border ranks · OpenProblemsInNLA · secant varieties · tensor products