The integrable structure of open–closed string theories in the (p, q) conformal minimal model backgrounds is presented. The relation between the τ–function of the closed string theory and that of the open–closed string theory is uncovered. The resulting description of the open–closed string theory is shown to fit very naturally into the framework of the sl(q,C) KdV hierarchies. In particular, t...

Abstract Establishing the period–Wesenheit relation requires independent and accurate distance measurements of classical Cepheids (DCEPs). The precise distances provided by associated open clusters independently calibrate relations DCEPs. 51 DCEPs with are compiled using constraints five-dimensional astrometric information. By directly Gaia data release 3 parallaxes, in G band is calibrated as ...

Discovering significant types of relations from the web is challenging because of its open nature. Unsupervised algorithms are developed to extract relations from a corpus without knowing the relations in advance, but most of them rely on tagging arguments of predefined types. Recently, a new algorithm was proposed to jointly extract relations and their argument semantic classes, taking a set o...

It is widely acknowledged that enhancing innovation capability an inevitable requirement for the survival and sustainable growth of firms operating in information technology sector. Therefore, this study was conducted to explore relationship among organizational culture, knowledge management open environment provide useful suggestions recommendations managerial practices within high-tech indust...