We consider non-compact branes in topological string theories on a class of Calabi-Yau spaces including the resolved conifold and its mirror. We compute the amplitudes of the insertion of non-compact Lagrangian branes in the A-model on the resolved conifold in the context of the topological vertex as well as the melting crystal picture. They all agree with each other and also agree with the results from Chern-Simons theory, supporting the large N duality. We find that they obey the Schrödinger equation confirming the wavefunction behavior of the amplitudes. We also compute the amplitudes of the non-compact B-branes in the DV matrix model which arises as a B-model open string field theory on the mirror manifold of the deformed conifold. We take the large N duality to consider the B-model on the mirror of the resolved conifold and confirm the wave function behavior of this amplitude. We find appropriate descriptions of non-compact branes in each model, which give complete agreements among those amplitudes and clarify the salient features including the role of symmetries toward these agreements.
During the 1980s and 1990s, economists investigated a set of phenomena called market anomalies. One of the strategies based on market anomalies was a high-yield investment strategy where the main criterion for share selection is their high dividend yield. This paper tests the hypothesis that the anomaly associated with high dividend stocks, which was detected in the American market until the beginning of the 21st century, has ceased to exist at present, and also examines the possibility of improving the results of highly dividend strategies by modifying them.
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