selected_diagnosis = st.selectbox("Select broad category of diagnosis", list(Diagnosis_group.keys()), index=0) selected_procedure = st.selectbox("Select proposed ...

Necessary and sufficient conditions are presented for the oscillation of all positive solutions of the multiplicative delay logistic equation $\frac{{dN(t)}}{{dt ...

Abstract: This paper investigates the local stability, the existence and the stability of Hopf bifurcation of typical logistic differential equation versus time delay. The local stability is ...