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-2
votes
0answers
48 views

how could i know a spam journal in mathematics from receiving email after submitting maniscript?s

I would be interest like some one to show me if this email that i'm received from "Americain journal of pure and applied mathematics" after online submission is a spam email or spam journal or no . ...
2
votes
0answers
36 views
+150

Minimal “basis” in $n$ dimensional unit cube

Let's $$ B^n=\{\bar\alpha=(\alpha_1,\alpha_2,\ldots,\alpha_n)|\alpha_i\in \{0,1\}\};~~~~n=1,2,\ldots $$ and let's $$ C\subseteq B^n, $$ $$ S(C)=\{\bar\alpha\oplus\bar\beta\ | \bar\alpha,\bar\beta\in ...
3
votes
1answer
31 views

Proving monotonicity of continuous linear functional

Hi I am interested in resolving the following problem from the bottom of page 147 from a paper I am revising: Given a function $$a: \Omega \times \mathbb{R} \times \mathbb{R}^{N} \rightarrow ...
4
votes
1answer
47 views
+50

Open access peer reviewed math journals

I would like to have a list of existing open access, peer reviewed Mathematics journals, like the Electronic Journal of Probability. I have difficulties to find such a list on the Web. Thank you.
0
votes
0answers
33 views

Learning pipeline for developing own optical flow algorithms

I am really sorry if this question is outside of this resource or too silly I am bachelor of computer science and a programmer in small company. And i am faced with the task of developing own custom ...
1
vote
1answer
46 views

Applied mathematics commonly needed in the following industries

I was just wondering if anyone could shed more light on specific topics in applied mathematics or other skills (programming, etc) commonly used in the following industries: oil and gas, ...
0
votes
1answer
32 views

How can you find Patrick Flandrin's source codes in his TF publication?

I am reading his publication Elements de Traitement du Signal but I cannot find his sources codes such as files change.m, sousech.m, ... Some his TF codes are here, and probably, he is about these ...
0
votes
0answers
8 views

Question about calculating interrelate results

Please guide me the way to calculate this. Any helps is greatly appreciated! In a search system, when search was first performed under condition A, there were 5,000 search results. When ...
0
votes
0answers
44 views

Is the field of Algebraic Topology still an active field of research?

I have been studying some Algebraic Topology in my free time, and I began to wonder whether it was still an active field of research? If not, what are some of the most active research fields nowadays. ...
8
votes
8answers
450 views

Mathematical breakthroughs [closed]

When I read about mathematical history I hear of breakthroughs. For example, Cartesian geometry, Newton/Leibniz Calculus, and so on. My question is this: What are some recent epoch-making ...
0
votes
2answers
59 views

Are there particular techniques to find the general formula for an arithmetic function, neither multiplicative nor additive?

I was reading about the Euler phi function and the sigma function when I began to wonder how on earth one gets to the general formula for an arithmetic function. I'm not considering trivial formulae ...
0
votes
1answer
97 views

Parabola investigation

Edit 4: I added the below picture for clarity I'm trying to figure out how to find the angle between the red line and the blue line, but I have no idea how to start. (I have a feeling that this ...
3
votes
1answer
63 views

Research in Mathematics (Formalities vs. Results)

This question is intended to solve an internal dilemma I have been having lately. I assume that most of those who have gone through the process of mathematical research have, at some point, considered ...
7
votes
1answer
148 views

Which hot math research fields became insignificant later on?

In history (for last 150 years), which math research fields were hot (popular) at their time , but whose results became insignificant (almost useless) later on? The reason I ask this question is ...
1
vote
2answers
88 views

Do mathematics researchers regularly solve problems like this?

I'm not sure that this is the right exchange for this question. It asks about the possibilities of research in mathematics and computer science. Extended Background I am very interested in ...
2
votes
0answers
33 views

Is ODE theory useful for developing numerical solvers for ODEs?

I will be doing research in developing numerical solvers for ODEs. I was wondering if knowledge of ODE theory will be useful and if so in what ways. I am asking because, I am inclined to take a ...
3
votes
1answer
87 views

What are the big issues in modern graph theory?

This is inspired by the similar question on modern set theory. I've read through the open problems in graph theory on Wikipedia's list of unsolved problems in mathematics, but what I'm looking for is ...
4
votes
1answer
68 views

Starting research in Algebraic Geometry.

Let us suppose someone knows most of the concepts from Algebraic Geometry texts like Hartshorne. What papers should he start reading to quickly start getting a feel for research? I find myself at ...
2
votes
0answers
39 views

Research papers of monotone/pseudomonotone operators with applications to PDEs

I have recently been studying how coercive, pseudomonotone operators are used to prove the existence of solutions to elliptic boundary value problems. I have been studying the book "Nonlinear Partial ...
1
vote
0answers
31 views

Research scopes in Computational Geometry

I have taken a short a course on Computational Geometry and at present I want to do some research works of my own. Can anybody tell me about the research scopes on it? I mean, what are the active ...
2
votes
0answers
46 views

Research: what can I do next if the solution is too long

Sorry for this vague question. Here is my circumstance: I have tried to formulate a problem with an equation, and it is a optimization problem. So I just go ahead, and use mathematica to take the ...
1
vote
0answers
83 views

Is the Annals of Global Analysis and Geometry a good journal?

I hope I'm not out of place asking such a question here. Anyway, I'll soon have my first real paper published in the Springer journal titled "Annals of Global Analysis and Geometry." Since I don't ...
0
votes
2answers
142 views

Open Problems for High School Students

I am a homeschooled rising senior in high school, and I would like to research an open problem in mathematics. I have taken a number of undergraduate-level mathematics courses, including ...
2
votes
1answer
74 views

How do you use reference books?

Reference books at the research levels often does not include any problem or exercise. While you can't read these books like novels(you normally need to work on other sheet of paper), I'm just ...
6
votes
0answers
57 views

Is there any relation between Galois solvability and integrability of hamiltonian systems?

Galois theory provides a method and formalism to study solutions of polynomial equations and solvability. Dynamical Hamiltonian systems have a somewhat similar concept of integrability. Since many ...
1
vote
1answer
32 views

Maximization with constraints

How can I find $\lambda_H$ and $\lambda_T$ such that $$\max_{0 \leq \lambda_H , \ \lambda_T \ \leq 1 }\left\{\frac{4.6575342 \times 10^{-4}}{2.1722965 \times 10^{-4} + \lambda_H},\frac{1.0958904 ...
17
votes
4answers
754 views

Book ref. request: “…starting from a mathematically amorphous problem and combining ideas from sources to produce new mathematics…”

I couldn't find Charles Radin's Miles of Tiles at the local university library or the public library, and cannot afford its Amazon price right now. Thus, while sorely disappointed for the moment, I ...
3
votes
0answers
40 views

Linear Algebra progression in our times

I know that Linear Algebra is relatively new branch of Mathematics. I wonder, Is there any significant progress with Linear Algebra in our time? Are there any major questions which haven't solved ...
0
votes
1answer
28 views

statistics confidence level

A survey was carried out to find out if the occurrence of different kinds of natural disasters varies from on part of the town to the other. The town was divided into two as center town and town ...
0
votes
0answers
13 views

Standards for publishing research on Global Optimization

I needed to search for the global minimum of a function of 24 variables. I did this using the NMinimize feature in Mathematica, and it allows one to do this using Differential-Evolution, ...
0
votes
1answer
64 views

Free Vibrations - Simple Harmonic Motion

As an engineering enthusiast I have been practicing with numerous model assignments to see how well I could deal with dynamics if I were in an educational environment. Most problems seem simple to ...
9
votes
2answers
372 views

Could we invent a new number with $|p|=-1$?

We know that how a single definition $i^2=-1$ revolutionized our mathematics and solved many many problems. I wonder whether the definition $|p|=-1$ could have the potential of creating a new ...
0
votes
0answers
40 views

Pseudo-monotone operators research paper question

Hi I just want to know if anyone can see how the result (2.34) is obtained in the following research paper http://caa.epfl.ch/publications/9-Boccardo-Dacorogna1984.pdf. Thanks, I know that it is a ...
2
votes
0answers
79 views

Changing research area in grad school

I'm a PhD student about to close out my third year. My current research area is operator algebras. At the beginning of this semester I completed my qualifying exams (this was accomplished a semester ...
0
votes
0answers
19 views

algorithm for traversing a fractal in a “maximally ordered” way

consider a multidimensional fractal that can be "traversed" in an arbitrary order. is there an algorithm for traversing a fractal in a "maximally ordered" way? in other words the algorithm has ...
0
votes
0answers
45 views

How are theorems developed/evolved? How would have a mathematician like Cauchy thought about the following theorem?

I am not sure if i can ask this question over her but the other day i was studying this theorem If $\epsilon = \beta_1 \beta_2 ...... \beta_r$ where the $\beta's$ are 2- cycles, then r is even. The ...
3
votes
2answers
170 views

Why are mathematical results discovered by multiple people independently?

This is a meta question. No this isn't a meta question about site, this is a meta question about maths itself. It has been observed quite a lot of times, that around some point in history,maybe ...
3
votes
1answer
164 views

Is there active research in trigonometry?

One learns trigonometry in high school/secondary school and either forgets it if one continues onto a career less mathematical or, possibly. uses it extensively in their work, as do engineers and ...
80
votes
18answers
8k views

How do you describe your mathematical research in layman's terms?

"You do research in mathematics! Can you explain your research to me?" If you're a research mathematician, and you have any contact with people outside of the mathematics community, I'm sure ...
5
votes
0answers
58 views

Making modular representation theory and cohomology 'compelling' and 'accesible'

I'm currently putting together an application for a dissertation completion fellowship offered through my university. A part of the application includes 500-1000 words describing my dissertation. ...
4
votes
2answers
167 views

Surveys of Current (last 50 years) Mathematics at Graduate / Research level?

I'm wondering if there are any books or broad survey articles that survey current mathematical areas, i.e. mathematics of the last 50 years. Ideally, these would continue in the style of the various ...
0
votes
1answer
98 views

What is the meaning of $(x^2+y^2)^n$? Is this an already known geometric object?

We all know that $x^2+y^2=r^2$ is a circle. What does $(x^2+y^2)^2$ signify? In general, what is $(x^2+y^2)^n$?
3
votes
2answers
413 views

How is research done in universities?

I have searched for some time for the "insider scoop" on how academics operate when it comes to mathematical research (theoretical physics research would also be interesting, but mostly interested ...
20
votes
6answers
742 views

How can a high schooler get more involved in mathematics?

For a high school student interested in majoring in math and learning more about math, what kinds of mathematical research can a student in high school get involved in? How can a high school student ...
2
votes
0answers
157 views

As a high school student, how do I go about doing research and writing a research paper?

I am currently a high school junior living in India and have already taken Differential Calculus and will be finishing Integral Calculus in 2 months time. I am interested in doing some research and ...
6
votes
1answer
171 views

making mathematical conjectures

If a non-mathematician wanted to conjecture something and had strong numerical evidence to support the conjecture, how would he/she go about doing so? Would the mathematical community (a) take it ...
3
votes
2answers
68 views

Generating points from a standard Gaussian

I'm new to Gaussian distributions and I'm trying to generate say, $ N$ points from a $ M$ dimensional standard gaussian. What does this mean? How would I do this in matlab?
0
votes
2answers
120 views

Best Line Graph Plotting Software for Display Board

I want to make some line graphs which will be put up on a Display Board in a exhibition So I want to make them eye catching .. Which are the best free available softwares?? Please help.
1
vote
0answers
77 views

Research paper Journal

I am a high school student and want to submit a research paper to a journal. I know that most journals are very hard to be published for the first time. Can anyone suggest me journals which publish ...
2
votes
1answer
127 views

Tataru and Koch Paper “Well posedness of the Navier- Stokes Equation”

Hi I wonder if someone can help me with some inequalities ( [9] in the paper) of this research paper [1]. Suppose $\Pi$ is the Leray operator, this is an operator define as it follows: $\Pi(f)= ...