Ca' Foscari University of Venice

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    Kalim Kashani

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    Kalīm Kāshāni, Abū Ṭālib (b. Hamadān, ca. 990-94/1581-85; d. Kashmir, 1061/1651), Persian poet and one of the leading exponents of the so-called Indian style (sabk-i hindī) particularly evident in his lyrics (ghazals). Poet laureate at the court of the Mughal emperor Shāh Jahān (1037-67/1628-57), he was author of a collection of original poems in different genres and a long narrative poem dedicated to celebrate his patron

    SROS1: Using and Developing Secure ROS1 Systems

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    SROS1 is a proposed addition to the ROS1 API and ecosystem to support modern cryptography and security measures. An overview of current progress will be presented, explaining each major advancement, including: over-the-wire cryptography for all data transport, namespaced access control enforcing graph policies/restrictions, and finally process profiles using Linux Security Modules to harden a node's resource access. This chapter not only seeks to raise community awareness of the vulnerabilities in ROS1, but to provide clear instruction along designed patterns of development for using proposed solutions provided by SROS1 to advance the state of security for open source robotics subsystems

    Scheduling ships movements within a canal harbor

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    In this paper we propose a model for the in-Port ship Scheduling Problem, that consists in scheduling the movement of ships inside a canal harbor. Our model, which we name RECIP-MILP, is inspired by a model for scheduling trains, to exploit the analogies between a canal harbor and a single track railway network. Moreover, we show how to translate spatial safety constraints into time ones. We apply our model to instances representing ship movements in the Port of Venice. We test the performance of both the exact RECIP-MILP model and a heuristic solution algorithm based on it. We show that we can exactly solve most instances in few minutes

    Il colonialista anticoloniale. Mattei regista di Rosi.

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    Bi2SiO5@g-SiO2 upconverting nanoparticles: a bismuth-driven core-shell self-assembly mechanism

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    Core-shell systems have attracted increasing interest among the research community in recent years due to their unique properties and structural features, and the development of new synthetic strategies is still a challenge. In this work, we have investigated lanthanide-doped Bi2SiO5 nanocrystal formation inside mesoporous silica nanoparticles (MSNs). The role of both synthesis temperature and concentration of the bismuth precursor impregnated into the MSNs is discussed, showing an unprecedented strategy for the simultaneous stabilization of a crystalline core and a glassy shell. Temperature dependent synchrotron radiation X-ray powder diffraction (SR-XRPD) and high resolution transmission electron microscopy (HR-TEM) analyses allow one to follow the crystalline core growth. A mechanism for the formation of a Bi2SiO5@g-SiO2 core-shell nanosystem is proposed. In addition, the easy tunability of the color output of the upconverting system is demonstrated by means of suitable doping lanthanide ions with potential applications in several fields

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