Questions tagged [pronunciation]

Questions on the pronunciation of mathematical terms and notation.

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2
votes
0answers
82 views

Pronouncing the symbol $!$ as understood as a morphism in category theory.

How does one pronounce the symbol $!$ as a morphism in category theory? I heard it spoken as, "shriek" here, but I don't know whether that's the convention or not. In my opinion, "exclamation mark" ...
0
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1answer
22 views

English pronunciation of semi colon in probabilities

In English, I believe the notation $p(x, z \mid \theta)$ is pronounced something like; pee-of-ex-zee-given-theta But I sometimes see a semicolon used, as in $p(x, z \,; \theta)$, which I believe ...
3
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2answers
38 views

How do you pronounce $\mathbb{F}_2, \mathbb{F}_2^n, \mathbb{N}^k, [n] = \{1,\ldots,n\},$ and $S \subseteq [n]$?

How do you pronounce $\mathbb{F}_2, \mathbb{F}_2^n, \mathbb{N}^k, [n] = \{1,\ldots,n\},$ and $S \subseteq [n]$ when you're reading a text? I've just started reading more advanced math textbooks and ...
2
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0answers
43 views

Subgroups of the Torsion Subgroup of an Elliptic Curve

A silly question. I am working through Silverman and Tate, Rational Points on Elliptic Curves Let $E$ be an elliptic curve given by a Weierstrass equation $$E:y^2=x^3+ax^2+bx+c, \quad a,b,c \in \...
3
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1answer
116 views

Italian pronunciation of the symbol $dx$

I am afraid this question is going to be rather specific and perhaps off-topic, but I hope some of the Italian users (at least) can help me out with this curiosity. I have always been used to the ...
2
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1answer
78 views

How to pronounce $C^\infty$?

I am thinking "C-infinite" or "infinitely differentiable". The second one is absolutely correct, but too long for colloquial use. I'd prefer the first one if possible. Is it correct or common?
2
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1answer
141 views

How to pronounce “$\mapsto$”, as in “$x\mapsto f(x)$”? [duplicate]

Lots of symbols have their pronunciations. For instance, "$\tbinom {n}{k}$" is pronounced "$n$ choose $k$", and "$\forall$" is pronounced "for all". The symbol ...
1
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1answer
69 views

How to pronounce $C([0,T],L^2(\Omega))$ and $L^2([0,T],H)$? [closed]

I don't know how to pronounce these spaces, could you help me with the pronunciation of these spaces? I know them but I don't know how to pronounce. $$C([0,T],L^2(\Omega))$$ $$L^2([0,T],H)$$
3
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1answer
96 views

How to pronounce $\Sigma_1$?

I have to give a presentation and part of it involves talking about the recursively enumerable sets. However, some of the theorems I am quoting (like Rosser's proof of Godel's first incompleteness ...
2
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1answer
68 views

How do you pronounce $\check{n}$?

I did search the internet but could not find a source mentioning the pronunciation of the mathematical symbol $\mathbf{\check{}}$ as in $\check{n}$. How do you pronounce it?
0
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4answers
837 views

How to communicate $\frac{5}{2}$ to other people orally? [closed]

The term one third is unambiguously understood as $\frac 13$. Likewise, the term two fifths is unambiguously understood as $\frac 25$ and three sixths is understood as $\frac 36$. But what exactly ...
8
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3answers
839 views

What is the generally accepted pronunciation of “topoi”?

Apologies if this annoys proponents of “toposes “. It appears to me that there are three main candidates for pronunciation, all focusing on the last syllable: Top-oy (rhyming with “toy” in British ...
0
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2answers
73 views

How to verbalise ':' in a definition?

When I write a definition, e.g. Let $f : \mathbb{R} \rightarrow \mathbb{R}$ How does one pronounce the colon ':' symbol? I would naively guess 'Let f be-a-function-mapping from the reals to the ...
2
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1answer
149 views

How to read the expression of an affine connection: $\nabla_X Y$?

I am studying Riemannian Geometry from the textbook Riemannian Geometry by do Carmo (English edition). In section 2 of chapter 2, page 50, he defines an affine connection as follows: 2.1 Definition....
0
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0answers
62 views

The correct spelling of the space $L^4$

Good morning everybody, It is well-known that the space of $L^{2}$ function is called: "the space of square integrable functions" What about the space of $L^{4}$ functions? can we say "the space of ...
0
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1answer
61 views

How to pronounce the notation $\lim\limits_{x \to a^+} F(x, y) = F(a^+, y) = F(a, y)$

Related: How does the notation of limits read in plain English? How does the following notation read in plain English: I can't interpret it myself. $$\lim\limits_{x \to a^+} F(x, y) = F(a^+, y) = F(...
0
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2answers
88 views

How to pronounce the notation $\lim\limits_{x \to \infty \\ y \to \infty} F(x, y) = 1$

How does the following notation read in plain English: $$\lim\limits_{x \to \infty \\ y \to \infty} F(x, y) = 1$$ As far as I can read: If $x$ and $y$ approaches $\infty$, the value of ...
4
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1answer
122 views

How to pronounce “equicontinuous”?

I couldn't find the word equicontinuous in the dictionary, so I hope this is the right place to ask. The definition can be found in the wikipedia: https://en.wikipedia.org/wiki/Equicontinuity If I ...
2
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1answer
82 views

How to pronounce this notation

Reading this paper : https://arxiv.org/pdf/1608.04644.pdf the following term : $$L_\infty$$ is referenced in the context of : How is $L_\infty$ pronounced ? Is it just "L infinity" ?
0
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1answer
84 views

How to pronounce of $0^+$ and $0^-$?

I'm not an English native speaker and I don't know how to pronounce $0^+$ and $0^-$. Could you help me, please? I'm referring to the symbols that appear for example in the limits $lim_{x\to 0^+}f(x)...
0
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0answers
762 views

How do you pronounce $\frac{dy}{dx}$?

Just out of curiosity... I always say "dee-why dee-ex" Some people say "dee-why by dee-ex" (especially many of my maths lecturers) Others say "dee-why on/over dee-ex" I've noticed that most of my ...
4
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2answers
471 views

How to pronounce $\mathcal{E}$?

How to say $\mathcal{E}$ when we are speaking about mathematics? Can I call it "curly E"? And also how to pronounce $\mathcal{A}$ and $\mathcal{B}$ and $\mathcal{P}$ and so on?
0
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1answer
87 views

Need help with notation - Supremum

I'm reading a paper, 'Invariant Scattering Convolution Networks'. Equation 2, page 2 reads as follows; I'm not familiar with the $\underset{u}{sup}$ notation - does this refer to the support of the ...
2
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0answers
66 views

Pronunciation of $\in$-minimal

How do I pronounce $\in$-minimal? I need to know it to see whether I should write "$X$ has a $\in$-minimal element" or "$X$ has an $\in$-minimal element".
1
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1answer
8k views

How to pronounce “L'Hospital”? [closed]

How to pronounce "L'Hospital"? Some people pronounce like "lapital". When I was in 12th standard, some teachers used to pronounce "lapital" and some used to pronounce "L hospital".
0
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1answer
88 views

How to read $\textbf{A}^{op}$ in category theory?

Simple question, how does one pronounce the name of the category $\textbf{A}^{op}$, defined as the dual of the category $\textbf{A}$? Reading it, I want to say $\textit{ay-opp}$ /e$ɪ$-$ɑ$p/.
29
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17answers
12k views

How is $\ln$ pronounced by English speakers?

I have always heard an expression like $\ln (x^2)$ pronounced aloud as "ell-enn ex squared". That is, the name of the function $\ln$ is read aloud as a two-letter abbreviation. However, I recently ...
0
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1answer
473 views

Pronunciation of Limacon

I have a presentation on common polar graphs. one of them is the graph of $b+a\cos{\theta}$, or a limacon. however, i'm not sure as to whether it's pronounced -lih-muh-son -lih-muh-con -lie-ma-...
0
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1answer
67 views

Pronunciation of variable with subindex

This question is about pronunciation of variables with a subindex such as $P_i$. In this Stanford video lecture on statistical mechanics $P_i$ is pronounced " Pees of i" and $E_i$ is pronounced "Ees ...
1
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2answers
140 views

How to pronounce $\circledcirc$ (an infinitesimal)?

I'm reading a paper in which $\circledcirc$ is used to mean an infinitesimal (from nonstandard analysis). So, for example, you would have $0<\circledcirc^2<\circledcirc$. I'm wondering how to ...
0
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1answer
132 views

$\operatorname{Spec}(A)$ is called “the (prime) spectrum of $A$”. What is $\operatorname{Proj}(A)$ called?

Modern algebraic geometry makes heavy use of two constructions that turn rings into schemes: Spec and Proj. The first construction turns a commutative ring $A$ into a scheme $\operatorname{Spec}(A)$, ...
3
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1answer
393 views

How to say (pronounce) $\partial$ in the context of homology?

I am curious what is the common way to say (in English contexts) the name of $\partial$ (the boundary homomorphism) in homology theory. I.e. when giving a talk / speaking. The boundary homomorphism ...
4
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1answer
281 views

Correct pronunciation of $\in$.

I was curious whether there is a standard reference for the correct English pronunciation of general mathematical symbols. In particular, I am wondering how to pronounce the symbol "$\in$" correctly, ...
7
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4answers
609 views

How to say $\sin^2(x)$ in English

What's the official way to say $\sin^2(x)$? Is it "sin squared of $x$" or "sin of x, pause, squared"?
1
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0answers
91 views

How do you pronounce the expression $(i|i)$?

I'm writing a library for translating latex into readable speech, and usually I rely on Larry's speakeasy to let me know how to read an equation. Seeing as I could not find an answer for the ...
2
votes
1answer
42 views

proper way to say this theorem out loud

how do you say this theorem? My attempt: Let S be a Topological space, and let T-naught and the sets indexed by w be connected subsets of S. Assume T-naught and the sets indexed by w are not disjoint ...
1
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1answer
100 views

How to read partial ordering in a set?

Let $X$ be a partially ordered set with partial order $\preceq$. Then how can we read $x\preceq y$. Is it $x$ less than or equal l to $y$.?
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2answers
1k views

How to pronounce “$ a:b=c:d$” in English?

I just realized that I have never used something as simple as proportions in spoken English so far, but today I have to. So simple question for native speakers: How do you pronounce for example $$ a:b=...
4
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2answers
136 views

Pronunciation of Indexed Collection of Sets

I'm currently learning about sets and I want to discuss the material. However, I'm unsure of the pronunciation of certain symbols. For instance, I know that (1) $A\cup B$ is read, "A union B." (...
3
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2answers
3k views

Pronunciation of Permutation/Combination Notation and Ordered Pairs

Quick question: How am I supposed to pronounce (or read in my head) the following? $P(n,k)$ or $C(n,k)$ Also, how am I supposed to pronounce (or read in my head) this? $K \times M = \{(x,y): x\...
7
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0answers
198 views

How does one read $\bar{A}$ aloud in Russian?

In English, I would generally read the mathematical notation $\bar{A}$ as "a bar" or "big a bar." What would this be in Russian? I looked in Glazunova's Russian for Mathematicians, but couldn't find ...
3
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1answer
649 views

Pronouncing the symbols $\oplus,\otimes,\rtimes,\cup$, and $\cap$. [closed]

I'm trying to figure out how to pronounce the symbols $\oplus,\otimes,\rtimes,\cup$, and $\cap$ when they're being used as binary operators in the contexts of direct sums, tensor products, semidirect ...
2
votes
2answers
739 views

How do you pronounce $\hat{n}$?

I've found a symbol $\hat{n}$ in an equation, and I have no idea how to pronounce it, and how to write it phonetic. Edit: I've found it here: https://en.wikipedia.org/wiki/Quaternion#Exponential....
2
votes
1answer
296 views

How to read multiplication, division, and power?

please understanding my poor English. I heard from some video lectures, $x^2$ is $x$ squared, and $x^3$ is $x$ cubed. Could someone let me know how to read $x^n$? $x$ to the n? $x$ to the n power? ...
3
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0answers
308 views

Pronouncing the Greek Alphabet for use in Mathematics [closed]

I've noticed that sometimes when I am writing out equations and saying the symbols in my head I will slip up and say "p" for "$ \rho $" or mix the pronunciation between letters say "$ \eta $" for "$ \...
0
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1answer
59 views

How should I read formulas using multiple variables with the same name? [duplicate]

I am reading computer science texts, which tend to include a lot of summations and set logic. In set logic, formulas commonly use a capitalized variable to reference a whole set, i.e. $\Omega$, and a ...
4
votes
0answers
311 views

How do you pronounce $\Sigma^+$ or $\Sigma^\dagger$ (as used in Moore–Penrose pseudoinverse)?

I'm referring to the pronunciation of the $+$ and $\dagger$ notations. Is it simply pronounced as ‘sigma plus’, or ‘pseudoinverse of sigma’, or ‘sigma pseudoinversed/pseudoinverted’? Sometimes it is ...
3
votes
1answer
418 views

How to say math terms in English

I would like to know how to say in English the following objects: the quotient $\mathbb R / \mathbb Z$ (is it "Ar over zee"? or "Ar modulo zee"?) things like $[0,1]^n$ (is it "the n-th power of the ...
5
votes
2answers
697 views

Why is $\sinh$ often pronounced “shine”? [closed]

I talked to some guys from the UK and they told me that they would pronounce $\sinh$ as "shine". I am not a native English speaker so I don't know, but in my country we call this function "sintsh" ...
4
votes
3answers
4k views

How do you pronounce x' and x''? [closed]

I am giving a presentation tonight, and the mathematical terms x' and x'' feature heavily in it. I pronounce them as "x-dash" and "x-dash-dash", but this gets a bit tiresome by the end of the ...