# Tagged Questions

For questions whose answers can't be objectively evaluated as correct or incorrect, but which are still relevant to this site. Please be specific about what you are after.

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### The fastest Gröbner basis algorithm available?

for my undergraduate thesis I'm (pseudo) replicating algebraic attack on certain cryptosystem using gröbner basis approach. The heart of original attack was F5/2 algorithm (since the cryptosystem is ...
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### Ideas for approaching set theory when you've already studied higher abstractions?

I've come to acknowledge (or so I think). That many of the concepts e.g. in real analysis (like, say, continuity), actually don't (in modern times) boil down just real analysis. But rather, e.g. set ...
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### Convergence in constraint propagation

Introduction To the best of my knowledge, constraint propagation can be thought of (in a very heuristic sense) as a class of algorithms that solve a sort of generalized Sudoku problem. Some initial ...
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### Independent math learning

I'm an undergraduate math and econ major and I'm planning on graduating relatively soon and I am very limited to the number of math classes I have left (very sad about this fact). So far I have ...
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### Why is Logistic Distribution called logistic?

What is logistic about Logistic Distribution, in a common sense way? What is the lexical rationale of the name, not just pure math definition?
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### Math Textbooks for High School

I'm a high school student who is trying to figure out a complete course of self study for each year of high school. Is there a way to self learn grades of math without devoting too much time? For ...
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### Where does the name of the hypergeometric distribution come from?

I understand what it does and how to get there, but why is it called hypergeometric? All the other distributions I know of have rather self-explanatory names like "binomial" or "exponential", or are ...
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### Suggest books on Combinatorial Graph Theory

I am going to start self-studying Combinatorial Graph Theory. Kindly suggest books or study materials available online. I have been told that it is basically application of linear algebra , mainly ...
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### Books for large deviations and maximum entropy principle?

What are some good introductory resources for learning more about the theory of large deviations and the maximum entropy principle?
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### What is linearity? [duplicate]

Once someone asked me the question "What is linearity?" in a proficiency exam. I went hot and cold all over. Although, I heard and even used the term linearity many many times, I had not really ...
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### “Guesstimation” problems within pure mathematics

Wikipedia defines a “guesstimate” as “an estimate made without using adequate or complete information, or, more strongly, as an estimate arrived at by guesswork or conjecture.” Guesstimation problems ...
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### Launching a Plaintext Attack against Affine Cipher

Update 2 Being new to the world of Stack Exchange I did not realize that there exists a site solely devoted to cryptography. In light of this, I hope someone could help me migrate this question to ...
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### Recommend book Taylor expansions

I've taken up self-study of math and i start using the book called : Mathematical Analysis I Authors: Canuto, Claudio, Tabacco, Anita I would like to start from zero to understand taylor ...
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### Implication as defined in mathematical logic [duplicate]

If we can take the truth of an implication to mean the validity of reasoning, then that would mean that all reasoning that begins with false premises is valid reasoning. Are there no counterexamples ...
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### Can math be subjective?

Often times in math, ever since Kindergarten and before, math has been defined by the fact that there are only one answer for problems. For example: $1+1=2$ and $\frac{d}{dx}x^2=2x$. What I am showing ...
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### “The order of a differential equation is the highest derivative in the equation”. What's wrong with this statement?

I am asked the following "The order of a differential equation is the highest derivative in the equation". What's wrong with this statement? I've checked my text and several other sources, and ...
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### Unique prime factorization [duplicate]

We all know that $$15=3 \times 5$$ And $$15 =(-3) \times(-5)$$ Since $3 \neq -3$ and $5 \neq -5$ , we have two different prime factorizations ! Is this wrong ? If this is wrong , then there are ...
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### What's the name of this problem? Interesting minimisation of a length.

There is a problem which has to do with minimising the length of a (possibly disjoint) barrier in a region of space (often a 2D circle) such that no straight line can pass through the particular ...
### Roots of $f(x)+g(x)$
Question : Let $p,q,r,s \in \mathbb R$ such that $pr=2(q+s)$. Show that either $f(x)=x^2+px+q=0$ or $g(x)=x^2+rx+s=0$ has real roots . My method : To the contrary suppose that both $f(x)$ and ...