"introductory talk" is correct and can be used in written English.
It is typically used to refer to a speech or presentation that serves as an introduction to a topic or event. Example: The conference began with an introductory talk by the CEO, outlining the goals and objectives for the company's future.
Before we played, I gave a little introductory talk about punk to the parents.
After a five-minute introductory talk, we were let loose on the tables.
The relaxed and fun sessions begin on a Friday afternoon with an introductory talk and tea on arrival.
Topology Seminar (Introductory Talk): Quasi-isometries: What are they and why do we care?
I will give an introductory talk and then we discuss the organization of the seminar.
This is meant to be an introductory talk, working through examples and the basics of contact topology.
Focus for Spring 2014: Introductory talks about central objects, in the spirit of the Notices of the AMS series "What is...?" Meetings, 891 Evans, Thursdays 9 30am-11 00am.
While it would be great for us to be able to visit every school to give introductory talks, this is not practical.
Introductory talks at 6 P.M. on the Friday before the first tour of the month at the Municipal Art Society's Urban Center at 457 Madison Ave . at 51st St. Admission $10, $5 for society members.
The three-week event is built around all-Tchaikovsky subscription concerts, and augmented with introductory talks, chamber music, choral concerts and even a screening of Ken Russell's 1970 film "The Music Lovers".
Krishna Bahadara Mahara, a spokesman for the Communist Party of Nepal, a Maoist group, said the government had wanted a round of introductory talks, while the Maoists wanted to start in immediately on the issues.
