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R. Bagri, G. Sachdev, D. Agarwal / IJOCTA, Vol.15, No.1, pp.123-136 (2025)

                          T
                               ¯
                         ¯ τ β ϱ (Π, ¯σ κ , ¯µ) dν ≦0.        Acknowledgments
            Using dual constraints (23) and (24), we obtain   The authors would like to extend our gratitude to
                                                              Dr. Vishakha Jadaun for her invaluable contribu-
                 Z
                                                             tion which helped in enhancing the quality of the
                          ¯
                               ¯
                                                 ¯
                                            T
                   η(t, ¯σ, ζ, ¯σ κ , ζ κ , ¯ω, ¯ϱ) − ¯χ Ψ ζ (Π, ¯ a)+  paper.
                  Ω

                    ¯ T   ¯     ¯    T     ¯
                D κ λ θ ζ κ  (Π, ¯σ κ , b)+ ¯τ β ζ κ (Π, ¯σ κ , ¯µ)  dν
                                                              Funding
               Z

                            ¯
                                                      ¯
                                                ¯
                                 ¯
                                          ¯ T
              +   D κ η(t, ¯σ, ζ, ¯σ κ , ζ κ , ¯ω, ¯ϱ) λ θ ζ κ (Π, ¯σ κ , b)+
                 Ω                                            None.

                            T    ¯
                           ¯ τ β ζ κ (Π, ¯σ κ , ¯µ) dν
                                                              Conflict of interest
               Z

                                               ¯
                             ¯
                        ¯
                                          T
             +   ξ(t, ¯σ, ζ, ¯σ κ , ζ κ , ¯ω, ¯ϱ) − ¯χ Ψ ϱ (Π, ¯ a) dν ≦0.
                Ω                                             The authors declare that they have no conflict of
                                                              interest regarding the publication of this article.
            Further, integrating by parts and using boundary
            conditions
                                                              Author contributions
                 Z

                                                 ¯
                             ¯
                                   ¯
                                           T
                    − η(t, ¯σ, ζ, ¯σ κ , ζ κ , ¯ω, ¯ϱ)¯χ Ψ ζ (Π, ¯ a)+  Conceptualization: All authors
                  Ω
                                                             Formal analysis: All authors
                             ¯
                                           ¯
                       ¯
                                      T
                 ξ(t, ¯σ, ζ, ¯σ κ , ζ κ , ¯ω, ¯ϱ)¯χ Ψ ϱ (Π, ¯ a) dν ≦0,  Methodology: All authors
            or                                                Writing – original draft: All authors
                  Z
                                                             Writing – review & editing: All authors
                            ¯
                                                ¯
                                  ¯
                                           T
                      η(t, ¯σ, ζ, ¯σ κ , ζ κ , ¯ω, ¯ϱ)¯χ Ψ ζ (Π, ¯ a)+
                   Ω

                       ¯
                                      T
                             ¯
                                           ¯
                 ξ(t, ¯σ, ζ, ¯σ κ , ζ κ , ¯ω, ¯ϱ)¯χ Ψ ϱ (Π, ¯ a) dν >0.
                                                              Availability of data
                                                R
            Thus, by strict pseudo-invexity of   Ω Ψ(., ¯ a)dν  Not applicable.
                             ¯
            w.r.t η and ξ at (ζ, ¯ϱ),
                                                              References
                   Z                Z

                                            ¯
                                        T
                       T
                           ¯
                      ¯ χ Ψ(Λ, ¯ a)dν >  ¯ χ Ψ(Π, ¯ a) dν
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                                                                  Ahmad, I. (2023). Optimization of a Stochastic
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                            ¯
            Hence, (¯σ, ¯ω)=(ζ, ¯ϱ).                              Delayed Repair. Annals of Operations Research,
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                                                                  6/j.rico.2024.100397
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