OP-00196 Partially resolved Polynomial-time solution under the regularity promise NA · absolute value equations · linear complementarity problems · OpenProblemsInNLA · P-matrices
OP-00256 Solution claimed Recognizing the maximum finite number of solutions NA · absolute value equations · OpenProblemsInNLA · piecewise linear systems
OP-00257 Solution claimed Hardness of the spectral-norm condition number NA · absolute value equations · condition numbers · interval matrices · OpenProblemsInNLA