The phrase "a deep relation" is correct and usable in written English.
It can be used to describe a strong or significant connection between two or more entities, such as people, concepts, or phenomena.
Example: "The study revealed a deep relation between emotional intelligence and leadership effectiveness."
Alternatives: "a profound connection" or "a strong bond".
1998 Fields Medal winner Richard Borcherds succeeded to prove the monstrous moonshine conjectures, a surprising and deep relation of the largest finite simple sporadic group the "monster group"—with certain modular functions, a piece of classical complex analysis, and string theory, a theory supposed to unify the description of many physical phenomena.
Employing a Mehler type formula that is isometric in (L^{2}), Carles [1] found the deep relation of solutions between the critical nonlinear Schrödinger equation with an attractive potential ((theta<0)) and the one without potential.
Most of the (mathfrak {q}) with the assumption above fall into one of these three classes, showing the deep relation between Nichols algebras and Lie theory.
Marco explains: "We want to preserve direct contact with each audience, in order to stimulate a deeper emotional relation… For this reason the [narrator] changes from performance to performance, integrating into the cast a local actress who will [narrate] in the language of the host country, therefore increasing the sense of 'closeness' with the city and its inhabitants".
"You asked if I think friendship is an authentic thing, and I do: some people you have super deep relations with, share a lot of buried stuff, and with others you have a history of good times and laughs.
"We seek strong and deep relations," she said in a discussion with reporters aboard her plane, "but one of the elements of a strong and deep relationship with the United States these days is moving forward with democracy".
"We have deep relations with the people of La Crosse.
Nasr went on, "The Saudis have considerable financial means, and have deep relations with the Muslim Brotherhood and the Salafis"—Sunni extremists who view Shiites as apostates.
Nasr went on, "The Saudis have considerable financial means, and have deep relations with the Muslim Brotherhood and the Salafis" — Sunni extremists who view Shiites as apostates.
Though Turkish officials have sought to place themselves broadly on the side of change in the Arab world, they have deep relations with Islamist movements in Egypt, Tunisia and the Palestinian territories.
