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Annotation: This paper studies the implementation of artificial intelligence (AI) in creating personalized nail services. The promotion presents an analysis of contemporary technologies-namely, machine learning and natural language processing in the development of an exclusive pattern of nail designs that will be based on the personal preferences of a particular client. An account is given of how data can be collected through social networks and survey platforms, the following analysis of which supports the establishment of a custom solution for the clientele. An overview of existing technological platforms in the beauty industry used to achieve similar goals is presented with an eye to prospects for this sector’s development, thereby including, among other things, 3D printing and augmented reality technologies. The paper also contains the major barriers of the proposed innovations' integration into practice. The study brings out the potential application of AI as a tool to improve service quality and customer satisfaction in the beauty sector. This publication will capture the attention of beauty industry professionals: manicurists and owners of salons incorporating innovative methodologies into their practice. It can also prove handy for researchers and developers within the realm of artificial intelligence and machine learning, explicitly for those working on applications in cosmetology. Moreover, this content may draw the interests of marketers and analysts - those who explore consumer trends and the influence of social networks on consumer behavior, now within the aesthetic services arena.

Annotation: This article investigates the role of executive leadership in transforming financial management practices in global organizations, with a specific focus on the United States and Europe. Drawing on recent academic literature and authoritative consulting reports from the past five years, the study examines how top executives—particularly Chief Financial Officers—drive change through clear vision setting, strategic alignment, technology adoption, process reengineering, and talent development. The comparative analysis highlights common trends, such as a shift toward digital and data-driven financial functions, as well as regional differences in the urgency and methods of transformation. The findings indicate that effective executive leadership is pivotal for overcoming resistance to change, ensuring regulatory compliance, and fostering a culture of continuous improvement. These insights provide both theoretical contributions and practical recommendations for organizations aiming to modernize their financial management in today’s complex business environment.

Annotation: As practice has shown, piezoelectric motors working on the basis of reverse piezoelectric effect principles can become the foundation for the latest automation and precision mechanics systems, as well as innovative lighting technology. The main interest of designers is focused on the possibility of building systems and configurations based on the reverse piezoelectric effect, related to precision and compact stepper motor systems. As the requirements for accuracy increase and the weight of such motors is reduced, including by decreasing their size, more solutions are proposed for the construction of elements and structures of these motors based on the complex use of special composite materials.

Annotation: Uniform monochromatic lighting of the operational zone is essential for a wide range of automated production processes. Standard-type lasers, under certain conditions, form point-distorted structures and are unsuitable for creating a uniform monochromatic light flow in areas such as an operational zone. LEDs do not produce distorted structures, but they have lower brightness. Additionally, LED radiation is non-uniform in the far field. To comprehensively address this issue, the proposed invention utilizes a phosphor droplet at the fiber end, where the luminous body size is determined either by the droplet diameter (100–150 µm) or the fiber core diameter (30–50 µm). The invented technology, integrated into a technical supersystem, is so flexible and adaptive that it allows for the incorporation of the most effective and cutting-edge local technical systems during system formation, including high-speed electronic boards (so-called RITM boards) and the most efficient structural materials, including composite materials, carbon-carbon compositions (obtained through vacuum pyrolysis on viscose fabrics), and films made of synthetic diamonds. The application of these innovative subsystems confidently provides advantages related specifically to the characteristics of laser diodes. The monochromatic factor of light emission, when using the proposed invention, eliminates chromatic aberration and increases resolution.