What is Mathematical: Definition and 1000 Discussions

Mathematics (from Greek: μάθημα, máthēma, 'knowledge, study, learning') includes the study of such topics as quantity (number theory), structure (algebra), space (geometry), and change (analysis). It has no generally accepted definition.Mathematicians seek and use patterns to formulate new conjectures; they resolve the truth or falsity of such by mathematical proof. When mathematical structures are good models of real phenomena, mathematical reasoning can be used to provide insight or predictions about nature. Through the use of abstraction and logic, mathematics developed from counting, calculation, measurement, and the systematic study of the shapes and motions of physical objects. Practical mathematics has been a human activity from as far back as written records exist. The research required to solve mathematical problems can take years or even centuries of sustained inquiry.
Rigorous arguments first appeared in Greek mathematics, most notably in Euclid's Elements. Since the pioneering work of Giuseppe Peano (1858–1932), David Hilbert (1862–1943), and others on axiomatic systems in the late 19th century, it has become customary to view mathematical research as establishing truth by rigorous deduction from appropriately chosen axioms and definitions. Mathematics developed at a relatively slow pace until the Renaissance, when mathematical innovations interacting with new scientific discoveries led to a rapid increase in the rate of mathematical discovery that has continued to the present day.Mathematics is essential in many fields, including natural science, engineering, medicine, finance, and the social sciences. Applied mathematics has led to entirely new mathematical disciplines, such as statistics and game theory. Mathematicians engage in pure mathematics (mathematics for its own sake) without having any application in mind, but practical applications for what began as pure mathematics are often discovered later.

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  1. F

    How are mathematical ideas discovered

    If I need to solve the equation x^2 + x = 5, I can recognize that it’s a quadratic equation, change it to x^2 + x - 5 = 0, and then plug into the quadratic formula. In general the way that math is taught, I recognize what type of problem it is, then use the techniques that I was told to use to...
  2. Urs Schreiber

    Mathematical Quantum Field Theory - Observables - Comments

    Greg Bernhardt submitted a new PF Insights post Mathematical Quantum Field Theory - Observables Continue reading the Original PF Insights Post.
  3. Math Amateur

    Top Undergraduate Mathematical Logic Texts: Recommendations from MHB Members

    What mathematical logic texts do MHB members think are the best at undergraduate level ... that is the best introductory texts ... Peter
  4. Urs Schreiber

    Mathematical Quantum Field Theory - Symmetries - Comments

    Greg Bernhardt submitted a new PF Insights post Mathematical Quantum Field Theory - Symmetries Continue reading the Original PF Insights Post.
  5. Urs Schreiber

    Mathematical Quantum Field Theory - Lagrangians - Comments

    Greg Bernhardt submitted a new PF Insights post Mathematical Quantum Field Theory - Lagrangians Continue reading the Original PF Insights Post.
  6. Urs Schreiber

    Mathematical Quantum Field Theory - Field Variations - Comments

    Greg Bernhardt submitted a new PF Insights post Mathematical Quantum Field Theory - Field Variations Continue reading the Original PF Insights Post.
  7. Urs Schreiber

    Mathematical Quantum Field Theory - Fields - Comments

    Greg Bernhardt submitted a new PF Insights post Mathematical Quantum Field Theory - Fields Continue reading the Original PF Insights Post.
  8. Urs Schreiber

    Mathematical Quantum Field Theory - Spacetime - Comments

    Greg Bernhardt submitted a new PF Insights post Mathematical Quantum Field Theory - Spacetime Continue reading the Original PF Insights Post.
  9. W

    Mathematical Simulation of Patent. Very General

    Hi All, Sorry for the vagueness of the post; I promised privacy to a friend who just obtained a patent. She asked me to find a way of testing the product. Since I have no access of any sort to a lab, I am considering doing Mathematical simulations. I wonder if anyone knows about this and/or has...
  10. Urs Schreiber

    Mathematical Quantum Field Theory - Geometry - Comments

    Greg Bernhardt submitted a new PF Insights post Mathematical Quantum Field Theory - Geometry Continue reading the Original PF Insights Post.
  11. O

    How should I study to be a mathematical physicist?

    Hello, I'm new here, i just really want to know, how do i study to become one? I'm at the middle of high school and i live in Mexico, where i live there are good universities but they just offer physics engineering degree, but i want to be a mathematical physicist, so do i plan to get an...
  12. S

    Black Hole Merger: Analytical or Numerical Solutions?

    Is it not true that solutions of the EFE are stationary, in 4 dimensions? If so, it seems that the solution describing a black hole merger would be intractably complex. Are current descriptions analytical solutions, or numerical?
  13. fresh_42

    Open problems in mathematical physics

    I came across this beautiful pearl https://arxiv.org/abs/1710.02105 https://arxiv.org/pdf/1710.02105.pdf which I like to bring to notice. Despite of its title it is heavier on theoretical physics than it is on mathematics, so I placed it in this forum. I think it is equally interesting to those...
  14. J

    'Unusual' mathematical step in integration

    I'm following a derivation in my lecture notes of total average particle number in an ideal classical gas (statistical physics approach). I follow it to the line (though the specific terms don't matter): \left<N\right> = e^{\mu/\tau} \frac{\pi}{2} \int_0^\infty \left(n \,dn \,e^{- \frac{\hbar^2...
  15. N

    Mathematical problem in electrial/magnetic fields

    Homework Statement A charged particle moves in a region of space where there is a uniform magnetic field B (in the z direction say,) and a uniform electric field E in the yz plane. Write the equations of motion for the particle. Then solve them, taking for initial conditions (at t=0) x=y=z=0...
  16. F

    Mathematical model of Newton's first law

    Is there a mathematic model for the first law of dynamics? If no, do you think that this law can be modellized with maths?
  17. C

    Purely Inductive Circuit -- Mathematical proof for current lag

    how we can mathematically prove that in a purely inductive circuit current lags behind voltage by a phase angle of π/2?
  18. PrathameshR

    Mathematical methods for students of physics and related fields

    This book is too expensive for me to buy. Can someone share ebook/ pdf?
  19. PrathameshR

    Mathematical methods for physicists by Arfken and Weber

    I'm searching for a good online lecture series to go with the book Mathematical methods for physicists by arfken and Weber . Tell me If you know about such series . Other general tips on starting rigourous mathematical physics are also welcome.
  20. PrathameshR

    Mathematical methods for physicists

    I'm currently doing mechanical engineering undergraduate degree but I don't want to continue with this field for further education. I'm more interested in physics. That's why I have started studying on my own. I'm really confused how to start. I have purchased several classic textbooks on...
  21. Mr Davis 97

    Form of all mathematical statements

    I am reading Real Mathematical Analysis by Pugh, and he claims that "All mathematical assertions take an implication form a --> b." However, is this really true? For example, the assertion, "There exist infinitely many prime numbers," doesn't seem to take the if-then form.
  22. C

    Difficulty with Mathematical Methods of Classical Mechanics

    Homework Statement A friend and I are going through Vladimir Arnold's Mathematical Methods of Classical Mechanics, but I think my lack of a background in pure math / proofs is seriously hampering my ability to do any of the problems in the first chapter. For example: PROBLEM. Show that if a...
  23. J

    Gaps in my mathematical foundations

    I'm going to start my first year as a Physics major in University, so I'll be taking first year Physics with one variable Calculus with Linear Algebra. I have taken math up to Calculus but I found that I have some gaps in Algebra, Geometry, and Trigonometry. Not any serious gaps, I know most of...
  24. Tukhara

    Books for a friend interested in mathematical physics but...?

    Okay, I have a good friend and he is into the idea of becoming a Mathematical Physicist; however, there's several issues at hand. He's in his mid 20's and attends a really cheap community college. Apparently his high school was horrible at teaching students good material; in other words, he...
  25. Tukhara

    Books on mathematical logic, foundations, and philosophy

    Hello, all. I am looking for some good books to start becoming invested in mathematical logic, the foundations of the field of mathematics, and also basically in general the philosophical heart of this wide subject which has interested me greatly. Now I have already read Shoenfield and Halmos...
  26. Eslam100

    What are the topics in theoretical and mathematical physics?

    I'm a rising physics sophomore at a Japanese university. I've studied general physics, linear algebra, and analysis (actually, calculus of single and several variables with emphasis on analysis, everything was proven and the theoretical background was well explained) Other than that, I've...
  27. parshyaa

    Question about mathematical induction

    In mathematical induction we prove statements using a proper technique just like in a following example: ##P(n)=n(n+1)## is an even number for every ##n∈N## we will check wether ##P(1)## is True/false, its true because ##P(1)=2## Now We will assume that ##P(k)## is true and using this we will...
  28. D

    Recreating a mathematical 3D shape

    Hello, I am trying to recreate a shape shown in the attached photo, from the attached article I have tried to create this shape in MATLAB as shown in the code bellow , from this formula i get a 2D shape and not the shown 3D shape , how to create this 3D shape? Thankstheta_0=15; alpha=60...
  29. N

    TQFT From Purely Mathematical Considerations

    I worked my way through this paper http://www.math.harvard.edu/theses/senior/lee/lee.pdf as part of a mathematics reading project and believe I have a fairly good understanding of the material. There is virtually no physics in this paper yet we seem to arrive at Dijkgraaf-Witten Theory quite...
  30. Mathsway

    Textbook of "introduction to mathematical thinking"

    Hi everyone I was wondering does anyone know any good first year undergraduate textbook of 'introduction to mathematical thinking' for self-studying ? thks in advance
  31. R

    Mathematical topics for high school investigation

    In the IB diploma program, they ask for a "Mathematical Exploration", where I have to deal with a topic with mathematical tools. For example: How to get the perfect exit of Gymnastics Bars? In "exploration" you have to see the measurements, the angles, velocity trajectories, mathematical tools...
  32. F

    Alternative to Mathematical Methods books

    I have a background in Calculus (Simmons and Lang), Linear Algebra (Lang), and Differential Equations (Simmons). I want to read a book in Mathematical Methods but I find that the treatment is just too superficial. Examples are, Mathematical Methods by Boas, Hassani, and Hobson. I want to know...
  33. R

    Bell's theorem mathematical content

    Most discussions about Bell's theorem meaning get at some point entangled in semantic and philosophic debates that end up in confusion and disagreement. I wonder if it could be possible to avoid this by reducing the premise, the basic assumption to its bare-bones math content in algebraic/group...
  34. D

    Mathematical proofs, physics and time management

    How important is for a physics undergraduate to know the mathematical proofs for every theorem learnd on the math courses? Is it better to trust the math, learn the intuitive notions, and then learn the methods and operations in a more mechanical way, memorizing formulas and steps through...
  35. koustav

    Are Spacelike and Timelike Orthogonal: Mathematical Proof Explained

    are spacelike and timelike orthogonal?what is the mathematical proof
  36. I

    Physics or mathematics master for mathematical physics?

    Hello! I'm a European physics student with an interest in what I believe to be mathematical physics. I'm torn between going for a master in physics or one in mathematics as more and more it seems to me that the research areas I'm interest are often conducted in the mathematics department...
  37. bananabandana

    MSc in Theoretical (Mathematical) Physics,KCL vs Edinburgh

    Hi all, I have an offer to do an MSc in QFFF at Imperial or an MSc in Mathematical Physics at Edinburgh, or (with luck) an MSc in Theoretical Physics at Kings College London (KCL). Technically, QFFF is the best (i.e most reputable) course - but I have heard very bad things about how it's...
  38. S

    Mathematical Physics or Standard physics?

    Hello, I'm seriously considering switching degrees to Physics, however I'm not sure whether I should be taking mathematical physics or standard physics (my School has both as separate programs). Which one would you say has better prospects later on? I am planning on getting a Ph.D in this...
  39. frostysh

    Mathematical problem about Buffon's Needle

    Buffon's Needle A floor is ruled with equally spaced parallel lines a distance D apart. A needle of length L is dropped at random on the floor. It is assumed that L no more than D. What is the probability that the needle will intersect one of the lines? This problem is known as Buffon’s needle...
  40. UsableThought

    My review of Coursera's "Intro to Mathematical Thinking"

    Here's a review I just posted on CourseTalk.com (a review site for online courses, including MOOCs) of "Introduction to Mathematical Thinking," which runs on Coursera: IN A NUTSHELL: This MOOC has excellent content, but the Coursera platform and absence of an instructor undermine it. DETAILS...
  41. G

    Mathematical formulation of local non-realism

    Hi. Bell formulated local realism as follows: The probability of a coincidence between separated measurements of particles with correlated (e.g. identical or opposite) orientation properties can be written as $$P(a,b)=\int{d\lambda\cdot \rho(\lambda)\cdot p_A(a,\lambda)\cdot...
  42. H

    What type of mathematical function is this? Thanks :)

    John lives in Dallas and his kitchen has a room temperature of about 70 degrees fahrenheit. He wanted to make her family some cookies for dessert, so he preheated her oven to 350 degrees fahrenheit. In 1 minute, the oven was 135 degrees fahrenheit. In 2 minutes, the oven was about 200 degrees...
  43. levadny

    Mathematica Books on mathematical modeling

    Hello for All! Please recommend English-language books on mathematical modeling. Interested in a general theory. In Russian I know these books, but I would like to get acquainted with English. Thank you.
  44. AXidenT

    Advice on Graduate Studies in Mathematical Physics

    I recently completed my honours degree in Australia (4-year undergraduate with a year-long thesis and some grad-level subjects such as first courses in algebraic geometry, algebraic topology, GR, QFT and integrable systems) and am struggling to figure out what the best option for graduate study...
  45. F

    What Does 'Canonical' Mean in a Mathematical Context?

    Hi this is a rather gentle question in that it involves no actual mathematics! Text often add rather strange words to a mathematical discussion. One such word that I have never really got to the bottom of is Canonical. So for example we talk about classical canonical general relativity...
  46. smodak

    Explorations in Mathematical Physics

    I just found and bought this book on a whim. I have just glanced through it and have not started reading it seriously yet. I think it is a fascinating book. Have any here read this book? If so, what do you think? https://www.amazon.com/dp/1441921680/?tag=pfamazon01-20 (amazon link)...
  47. E

    A tough mathematical question in a sport competition

    It is a difficult question but only can be solved with mathematical tools. In the 2 most important Australian competition (AFL and NRL) use a final stage that gives more advantage to those teams that ends better the regular season. The debate is that every spot you get better in regular season...
  48. Eclair_de_XII

    How to create a mathematical model of investment?

    Homework Statement "Someone with no initial capital ##S_0=0## invests ##k \frac{dollar}{year}## at an annual rate of return ##r##. Assume that investments are made continuously and that the return is compounded continuously." Find the solution ##S## that solves the differential equation...
  49. T

    Using symbolic logic in mathematical proof?

    is this a practical way of proving math theorems? i asked because when i tried, it seemed difficult for me to decide as to how exactly i should translate theorems and given statements into logical forms and since there are so many different ways, i do not know which one is correct. For example...
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