What is the relationship of Columbia University to Cornell and both New york presbyterian hosp?

Columbia University and Cornell University have a unique and complex relationship, particularly regarding medical education and healthcare. They are separate and independent universities, but they collaborate extensively, especially through:

* NewYork-Presbyterian Hospital (NYP): This is where the relationship gets intertwined. NYP is affiliated with *both* Columbia and Cornell. It's not owned by either, but they are major teaching hospitals for both universities' medical schools. Columbia University Irving Medical Center and Weill Cornell Medicine are distinct medical schools within NYP, essentially sharing the hospital's resources and patient population while maintaining their own academic programs and administrations.

In short:

* Columbia and Cornell: Independent universities.

* Columbia and NYP: Closely affiliated through Columbia University Irving Medical Center, a major part of NYP's operations.

* Cornell and NYP: Closely affiliated through Weill Cornell Medicine, another major part of NYP's operations.

* Columbia, Cornell, and NYP: A tripartite relationship centered around medical education, research, and patient care. They share resources at NYP but maintain distinct institutional identities and governance structures.