saddle with

Optical elements with saddle shaped structures for diffusing or shaping light
SADDLE BLOCK WITH PETHIDINE FOR PERINEAL OPERATIONS
Bounding the Expectation of a Saddle Function with Application to Stochastic Programming
Preconditioning Saddle-Point Systems with Applications in Optimization
Global organization of spiral structures in biparameter space of dissipative systems with Shilnikov saddle-foci
Bifurcation of systems with homoclinic curve of a saddle-focus with saddle quantity zero
Bifurcation set in a system with homoclinic saddle curve
Non-Markovian Diffusion Over a Saddle with a Generalized Langevin Equation
The uniform asymptotic swallowtail approximation - Practical methods for oscillating integrals with four coalescing saddle points
On cusp-bifurcations of periodic orbits in systems with a saddle-focus homoclinic curve