9 problems
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Conjecture that the orthogonal-projection algorithm avoids degenerate situations
Algorithmic avoidance conjecture. Apart from the initialization, the algorithm automatically avoids approaching such degenerate situations, should they occur.
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Monotonicity of line-network allocation under the AC power flow model
Monotonicity conjecture. This monotonicity holds for a line network under the AC power flow model. The property is known for line networks under the linearized Distflow model, and…
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Exactness of the sufficient infeasibility test
Let the sufficient infeasibility test cited in the source be a test that guarantees power-flow infeasibility but is not asserted there to be necessary, and suppose the convex appro…
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Power-flow solutions in the convexity domain
Let the convexity domain be the domain on which the energy function is convex, and let the power-flow equations be the equations defining power-flow solutions. Convexity-domain exi…
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Stable power-flow solutions in the principal region
Let the principal region be the region enclosed by the Principal Singular Surface for a lossless power network, and call a power-flow solution stable when it is dynamically stable.…
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Multiple-bifurcation explanation for higher nullity in power-flow dual matrices
Let be the matrix in the dual formulation of the power-flow optimization, and consider systems for which … The multiple-bifurcation explanation conjecture. Similar exp…
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Coincident-bifurcation conjecture for the nullity of the power-flow dual matrix
Let denote the minimum slack-bus voltage, and let be the matrix in the dual formulation of the power-flow optimization. Suppose that more than two so…
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Separated-bifurcation conjecture for the nullity of the power-flow dual matrix
Let denote the minimum slack-bus voltage, and let be the matrix in the dual formulation of the power-flow optimization. Suppose the minimum slack-bus…
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Bifurcation-location conjecture for the nullity of the power-flow dual matrix
Let be the matrix in the dual formulation of the power-flow optimization, and let the controlled voltages be decreased so that solutions of the power-flow equations me…