Total mean curvature surfaces in the product space and applications
Sign Up to like & getrecommendations! Published in 2023 at "Proceedings of the Edinburgh Mathematical Society"
DOI: 10.1017/s0013091523000196
Abstract: The total mean curvature functional for submanifolds into the Riemannian product space $\mathbb{S}^n\times\mathbb{R}$ is considered and its first variational formula is presented. Later on, two second-order differential operators are defined and a nice integral inequality… read more here.
Keywords: mean curvature; total mean; product space;
Medical Device Product Innovation Choices in Asia: An Empirical Analysis Based on Product Space
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Public Health"
DOI: 10.3389/fpubh.2022.871575
Abstract: Due to the increasing demand for health care, identifying and evaluating the feasibility of local medical device innovation and production is an important guarantee for the long-term sustainable development of a national health system, especially… read more here.
Keywords: product space; innovation; product; device product ... See more keywords
Mapping the Green Product-Space in Mexico: From Capabilities to Green Opportunities
Sign Up to like & getrecommendations! Published in 2021 at "Sustainability"
DOI: 10.3390/su13020945
Abstract: The aim of this paper is to examine the current and potential capability to promote the green economy in Mexico, simultaneously detecting new opportunities for diversification and “green” productive sophistication so that Mexican entities can… read more here.
Keywords: capabilities green; product space; mexico; green product ... See more keywords
The Spatial and Mechanism Difference in the Export Evolution of Product Space in Global Countries
Sign Up to like & getrecommendations! Published in 2021 at "Sustainability"
DOI: 10.3390/su13042255
Abstract: This study focuses on investigating the changing export patterns, evolution characteristics, and influencing trade mechanisms of countries on a global scale. Based on comprehensive customs data, our study found that core location and export types,… read more here.
Keywords: evolution; spatial mechanism; export; product space ... See more keywords
Considerations about the several inequalities in an inner product space
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Mathematical Inequalities"
DOI: 10.7153/jmi-2018-12-12
Abstract: The aim of this paper is to show new results concerning the Cauchy-Schwarz inequality in an inner product space. We find an improvement of Buzano’s inequality and Richard’s inequality, which are extensions of the Cauchy-Schwarz… read more here.
Keywords: inequality; considerations several; inner product; product space ... See more keywords
Some improved inequalities in an inner product space
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Mathematical Inequalities"
DOI: 10.7153/jmi-2019-13-11
Abstract: The aim of the paper is to present some improvements of an extended Cauchy-Schwarz inequality for four vectors in a real inner product space and derive certain consequences. read more here.
Keywords: inequalities inner; inner product; product space; improved inequalities ... See more keywords