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The purpose of this study is to investigate the simultaneous effects of normal wall transpiration, stretching strength parameter, velocity slip and nanoparticles on the flow of a ternary hybrid nanofluid through an elastic surface. The goal is to understand the behavior of the flow field, temperature distribution, skin friction and temperature gradient under these conditions, and to explore the existence and nature of solutions under varying parameter values.

The analysis involves expressing the flow field, power-law temperature field, skin friction and temperature gradient in closed-form formulas. The study examines both stretching and shrinking surfaces, distinguishing between unique and dual solutions. The methodology includes deriving exact solutions for exponential and algebraic temperature and temperature rate formulas analytically by deriving the system of governing equations into ordinary differential equations.

The study reveals that for a stretching sheet, the solution is unique, whereas dual solutions are observed for a shrinking surface. Special solutions are provided for various parametric values, showing the behavior of the exponential and algebraic temperature and temperature rate, with a focus on identifying turning points that demarcate the existence and non-existence of single or multiple solutions. The solutions are represented through graphs and tables to facilitate a comprehensive qualitative analysis. The research identifies turning points that determine the presence or absence of single or multiple solutions, uncovering multiple solutions for different parameter sets. These findings are displayed graphically and in tabular form, highlighting the complex interplay between the parameters and the resulting flow behavior.

This analysis contributes to the field by providing new insights into the multiple solution phenomena in ternary hybrid nanofluid flows, particularly under the combined effects of normal wall transpiration, stretching strength, velocity slip and nanoparticle presence. The identification of turning points and the exact solutions for various temperature profiles are of significant value, offering a deeper understanding of the factors influencing the flow and thermal characteristics in such systems. The study’s findings have potential applications in optimizing fluid flow in engineering systems where such conditions are prevalent.

Leveraging upper echelon theory and knowledge-based view of the firm, this paper aims to explore how chief executive officers’ (CEO) sustainability orientation influences explorative and exploitative knowledge management practices, which in turn influence incremental and radical sustainable innovation under boundary conditions of CEOs’ temporal focus and regional affiliation in the home country.

This study used a nonprobability convenience sampling strategy. Using survey-based research, the authors tested the study hypotheses using partial least squares structural equation modeling on a sample of 298 CEOs from Indian small and medium enterprises. This study also tested the reliability and validity of the study variables by using internal consistency tests and convergent and discriminant validity procedures.

The study finds that CEO sustainability orientation affects incremental and radical sustainable innovation via the mediating effect of explorative and exploitative knowledge management practices. Furthermore, CEOs’ past temporal focus increases the influence of orientation on exploitative knowledge management. In contrast, future temporal focus increases the influence of CEO sustainability orientation on exploratory knowledge management practices. Finally, CEOs from the southwest, west and northwest regions of India increase the influence of exploratory knowledge management on radical sustainable innovation.

This study has significant implications for understanding upper-echelon factors that drive knowledge management practices. CEO temporal focus (time orientation) and demographic aspects (regional affiliation) influence CEOs’ investment in different knowledge management and, hence, sustainable innovation management practices. However, this study does not explore cross-cultural differences and the role of the entire top management team in influencing sustainability values on sustainability innovation via knowledge management practices.

This study comprehends upper-echelon factors that drive investment in knowledge management and sustainable innovation practices. Findings imply that CEOs with past and future temporal focus can influence sustainable innovation, but their investment in knowledge management strategies differs. Past temporal-focused CEOs invest more in exploitative and future temporal focus more in explorative knowledge management for influencing sustainable innovation.

The study provides novel insights into the influence of upper-echelon traits on knowledge management and sustainable innovation practices. Extant literature has largely explored firm-level factors such as organizational culture influencing a firm's knowledge management practices. However, by integrating the upper echelon with the knowledge-based view of the firm, we explain how the traits of the CEO, especially the temporal perspective, influence knowledge management and sustainable innovation practices of firms.