Maths course in Harvard

a person of color: generally refers to anyone who is not White or of European descent, encompassing diverse racial and ethnic groups like Black, Asian, Native American, Pacific Islander, and mixed-race individuals

Montreal is the largest city in the province of Quebec, the second-largest in Canada, and the eighth-largest city in North America.

Tennessee: a landlocked state in the Southeastern region of the United States.

upbringing: ​the way in which a child is cared for and taught how to behave while it is growing up

janitor: a person whose job is to take care of a building such as a school or a block of flats or an apartment building

horde: ​a large crowd of people

dorm: dormitory

tuition: the money that you pay to be taught, especially in a college or university

the Holocaust: the killing of millions of Jewish people by the German Nazi government in the period 1941–1945

insular: having little contact with other people

goofy: silly; stupid

brat: a person, especially a child, who behaves badly

Ulysses: a novel (1922) by James Joyce. It is considered by many people to be one of the greatest novels of the 20th century, although it was not published in Britain and the US until the 1930s because it was thought to be too offensive. It is written in a wide variety of styles, and deals with the events of one day through the experiences of three main characters, Stephen Dedalus, Leopold Bloom and Molly Bloom.

Antigone appears in three 5th century BC tragic plays written by Sophocles, known collectively as the three Theban plays, with her being the protagonist of the eponymous tragedy Antigone.

legendary: very famous and talked about a lot by people

open-ended: without any limits, aims or dates fixed in advance

prominent: easily seen

prospective: potential

prestigious: respected and admired as very important or of very high quality

frizzy: (of hair) not smooth and neat but very curly and untidy

smudge (something) to touch or rub something, especially wet ink or paint, so that it is no longer clear; to become not clear in this way

squeak: to make a short high sound that is not very loud

axiom: a rule or principle that most people believe to be true

In mathematics, a tuple is a finite sequence or ordered list of numbers or, more generally, mathematical objects, which are called the elements of the tuple.

In mathematics, an isomorphism is a structure-preserving, one-to-one mapping (a bijective function) between two mathematical structures (like sets, groups, or rings) that shows they are essentially the same in form or structure, even if their elements are different.

acquaintance with something (formal) knowledge of something

heck: ​used to show that you are slightly annoyed or surprised; used to emphasize something

A Banach space is a complete normed vector space, meaning it's a vector space where you can measure vector lengths (norm) and distances, and every Cauchy sequence of vectors converges to a limit that is also within the space.

Topology is a branch of mathematics studying properties of spaces that remain unchanged under continuous deformations like stretching, bending, and twisting, but not tearing or gluing, often called "rubber-sheet geometry".

The Putnam Competition is a prestigious, challenging annual math contest for undergraduate students in the US and Canada, testing creative problem-solving in calculus, linear algebra, and discrete maths.

A vexing problem is a difficult, annoying, puzzling, or worrying issue that is hard to solve, causing frustration and distress.

preternatural: that does not seem natural; that cannot be explained by natural laws

indispensable: essential

team up: ​to join with another person or group in order to do something together

cull: to kill a number of wild animals from a group, especially in order to stop the group from becoming too large

Minnesota is a state in the Upper Midwestern region of the United States.

quad: an open square area that has buildings all around it, especially in a school or college

shriek: to give a loud high shout, for example when you are excited, frightened or in pain

Bill Gates "Source Code"

Online Dictionaries Used:

hk.dictionary.search.yahoo.com

www.oxfordlearnersdictionaries.com