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. P

    Block Universe Theory: Implications & Multiverse

    The Block Universe Theory, based on Einstein's Relativity, says that past, present and future exist at the same "time", the universe is static, eternal, and things doesn't change, movement is an ilusion because you have memories from the past. But if the universe don't evolve does this imply...
  2. T

    Classification of mathematical objects

    Hello. When does someone know a classification of some kind of mathematical objects has been completed? For example of differentiable manifolds, or abelian groups or ordered fields? Thank you.
  3. Chandller

    The Importance of Geometry in one's Mathematical Foundation

    Hi PF, What would you say is the level of importance of Geometry, as opposed to say, Algebra I or II, in a future Mathematician's mathematical foundation? Would not covering it thoroughly leave holes that would show up later in higher mathematics? Any thoughts?Thank you, Chandller
  4. T

    What should be the mathematical way out of QFT's decades stagnation?

    So which should be the best strategy to avoid this hurdle: maybe try and look for a different mathematical object as quantum fields? or rather try and avoid their multiplication in our ways to handle them to obtain predictions? any other ideas? perhaps leave it altogether as not very many...
  5. A

    Understanding Set Operations: A Closer Look at A ∖ (A ∖ B) = A ∩ B

    ##A ∖ B## can't include any elements that are not in ##A##, so it is the same as saying ##A∖(A∩B)##; it's exactly the elements of ##A## except those in ##A∩B##. ##A∖(A∖(A∩B))## is exactly the elements of ##A## except those in (exactly the elements of ##A## except those in ##A∩B##). This is the...
  6. JD_PM

    Discussing the mathematical formalism of generators (Lorentz Group)

    I learned that the Lorentz group is the set of rotations and boosts that satisfy the Lorentz condition ##\Lambda^T g \Lambda = g## I recently learned that a representation is the embedding of the group element(s) in operators (usually being matrices). Examples of Lorentz transformations are...
  7. AndreasC

    Is Yuri Manin's A Course in Mathematical Logic generally unsound?

    A book that has really caught my attention recently is Yuri Manin's A Course in Mathematical Logic for Mathematicians. I am very interested in the foundations of mathematics and mathematical logic, plus I noticed that it had some chapters on quantum logic, so I started skimming through it...
  8. S

    The mathematical definition of "wave"?

    Is there a standard mathematical definition for "wave"? What is the definition? Assuming that there is a definition, what are the mathematical definitions of the properties of waves? For example, how is the "group" of a wave defined? ( as in the "group" that has a "group velocity"). I'm not...
  9. Ege_O

    Is Pursuing An Academic Carrer (in Mathematical Physics) Stressful?

    Hey everyone, I am a new member. This post is about something that bothers me a lot and will affect my future. I am not sure whether I'm pursuing a carrer that is right for me. I graduated from the physics department of Middle East Technical University in Turkey with 3.45/4.00 CGPA this year...
  10. Jenab2

    Physics and mathematical hyperoperations above exponentiation

    I personally don't know of any physical process that can't be modeled without need for tetration or higher order hyperoperations. In my own experience, exponentiation suffices. Does anyone else know about a physical process that can't be well-modeled unless tetration is used in the math?
  11. nughii

    The Mathematical Model of a DC Bus Voltage on a Microgrid

    I want to compute the dc bus voltage using a programming language, but I doubt the initial value that I should enter. I use the model from this document. This is the explanation about this model Based on my understanding, ##v## is the grid voltage. This value can change. What is the initial...
  12. D

    Using a Surface Integral for Mathematical Analysis of the Area of an Island

    I am not clearly understand what the question requests for, is it okay to continue doing like this ? Kindly advise, thanks
  13. nomadreid

    Library classification of mathematical fiction

    Imagine that you are a librarian or a book-seller, and you come across a book which is a cross between mathematical fiction and mathematics popularization: that is, it is heavier on the mathematics explanations than a work of fiction has a right to be, yet it is heavier on plot, much of which...
  14. crimeanwarcrimes

    Rigorously covering mathematical prerequisites for Graduate courses

    I am a high school who will be graduating next year. I am almost done with Purcell and Morin which I worked through in my past holidays. However, I am still not proficient in various topics like Linear Algebra, Basic Analysis, and I quite often encounter various new things that I haven't even...
  15. MidgetDwarf

    Lectures That Follow Pugh: Real Mathematical Analysis

    Not sure if this is the correct forum. But are there any video lectures that follow the book Pugh: Real Mathematical Analysis? Thanks.
  16. pairofstrings

    Mathematical Name of this Space

    I am surrounded by Space and so I am curious to know what the name of this Space is. Is this Space given any name by a Mathematician? I suspect that this Space may be called Euclidean Space because Euclidean Space knows how to present point in three-dimensions. Euclidean Space talks about...
  17. TheDS1337

    How would you define a mathematical space?

    So, I'm a little confused and I thought I might get some help here. I have just started learning about manifolds and its super confusing because I've always worked with Euclidean spaces, too much that I didn't even realize it's euclidean and that it has different properties from others. So my...
  18. Rainbow Cupcake

    Proof by mathematical induction

    Summary:: prove that (n 0) + (n 1) + (n 2) + ... + (n n) = 2^n is true using mathematical induction. note that (n n) is a falling factorial Hello! I have trouble dealing with this problem: Mod note: Thread moved from math technical section, so is missing the homework template. Prove that (n...
  19. E

    Is there anything more to forces than being mathematical machinery?

    Real forces arise between pairs of interacting bodies. For any given system, classical physics tells you how to compute the forces (i.e. Coulomb/Newton inverse square laws etc.) acting one body due to another body, and then also tells you how different parts of the system move under the action...
  20. L

    Help Evaluating Mathematical Modelling of Physical Problems

    I am really struggling with these problems and do not really know where to begin. In most cases I have just defined what the modelling means, e.g A rough surface is one upon which friction acts etc. I would really appreciate some help with suitably answering these questions comprehensively, and...
  21. MathematicalPhysicist

    A mathematical derivation in Peskin and Schroeder on page 722.

    My attempt at solution is in the HW template, though this is not an HW question.
  22. HAgdn

    What research designs used on mathematical modelling?

    I am currently conducting a study that proposes a mathematical model. "mathematical model (n): a representation in mathematical terms of the behavior of real devices and objects."[1] The study composes of: AIM of the study: Create a mathematical model that represents a phenomena or happening...
  23. O

    Analytical mathematical modeling of the torque caused by the laundry

    Hello my dear physicists, I'm trying to model the varied generated (needed)Torque to rotate a washing machine Drum during a Washing Process so i assumed that the Model has as Input the target vilocity and as an Output the new needed torque to rotate the Drum(to be as a input for the motor...
  24. V

    Mathematical Modeling of an evaporator for evaporating water

    I am trying to model an evaporator which evaporates water to steam in Matlab/simulink. Are there any governing equations i need to know and follow when modelling the evaporator mathematically? Please let me know.
  25. Adesh

    Mathematica Entering mathematical statements using latex

    I have been to other forum sites too where we need to encode a mathematical statement like this ... , some sites use $...$ before and after the mathematical things and some sites like this great forum use [itex]...[itex]. Why it this so? The latex software like Texstudio, Texmaker etc. uses $$...
  26. V

    Mathematical modeling of a screw compressor

    I am trying to design a compressor in simulink. the mathematical equations has been modeled. but i just need, is there any relation to find the rate of change of volume with respect to time in compressor. Are there any equations or relations to find the rate of change in volume. As its a...
  27. Monoxdifly

    [ASK] Mathematical Induction: Prove 7^n-2^n is divisible by 5.

    Prove by mathematical induction that 7^n-2^n is divisible by 5.What I've done so far:For n = 1 7^1-2^1=7-2=5 (true that it is divisible by 5) For n = k 7^k-2^k=5a (assumed to be true that it is divisible by 5) For n = k + 1...
  28. K

    Proof of mathematical theorems

    My question is simple. Can one prove any theorem in mathematics by having only a pen and a paper, or a super-computer for that matter? Since math is essentially all about theorems, and we usually take them as true. I guess someone went in and proved them at some point in our history. But some...
  29. L

    Any book/resource/compilation of mathematical and physics notation?

    A bit vague, I know, but I guess asking is worth a shot.
  30. S

    Mathematical methods: logarithms question

    I know that sinhx = 1/2(e^x-e^-x) and that e^2x-1 = e^x(e^x-e^-x) and similar identities but don't know how to get any further. Any hints at where to go with this would be appreciated.
  31. A

    Is there a good software package for mathematical illustrations?

    Summary: I'm planning making a guide of calculus so I am looking for a software that allows me to make illustrations like they show in the calculus books. do you know any? thanks in advance
  32. T

    How to characterize mathematical models for comparison

    I am reviewing and comparing a wide range of mathematical models that are being applied to a specific realm of wildlife biology. For the comparison of these models, and to weigh advantages/disadvantages of different aspects with regard to application, I need to characterize each model. As I do...
  33. ramadhankd

    Help me build a mathematical model

    So I was trying to learn how to build a mathematical model of an oscillating system. The system and FBD is shown below. I just got confused why I got a different value of k from both x force and torsional equilibrium equation? Am I missing something?
  34. W

    Theoretical Physics: Learning to make simple mathematical statements

    Hi all, I am currently involved in a theoretical physics project and would like some advice. One of the main takeaways I hope to (well,) take away is the capacity to make simple physical/mathematical statements that are valid, which seems to be an important part of theoretical physics. How do...
  35. warhammer

    Mathematical methods for physics and engineering-Reviews/Suggestions

    Hi, I was told by someone to go for the above mentioned book (authored by Riley and a couple of other authors). I need a definitive tour de mathematica- something that I could use for the beginning of my Physics UG until the end of it (or even further if such a book exists!). Also, something...
  36. jedishrfu

    Mathematical Model finds Acoustic Signal that May Predict Earthquakes

    https://www.upi.com/Science_News/2019/07/30/Mathematical-model-identifies-acoustic-signal-preceding-seismic-shake/4431564489814/
  37. P

    Unknown mathematical methods in Physics?

    What are streams of mathematics that are generally not used by Physicists but you think can be used successfully provided they become more developed? I want to know about such things cause it is quite interesting. Also, can Projective Geo be used in physics?
  38. M

    Do physicists really need to master mathematical modeling?

    Summary: Do physicists really need to master mathematical modeling? Do physicists really need to master mathematical modeling? As far as I know Mathematical modeling is a separate discipline form Physics?
  39. M

    Mathematical description of a ball hitting a glass plate and causing damage

    Summary: damage on glasses plate by hitting ball If a ball hit a rectangular plate of glass and it cause a damage "but it didn't broken" how can i represent this damage using mathematics? I'll tell you my idea about it: let the ball move horizontally and hit the plate perpendicularly with...
  40. K

    Mathematical modeling of driveline impact test of an automobile

    I am in a process of making a mathematical model of an automobile driveline validation procedure called "Driveline impact". In this test, after the engine in cranked, first gear is selected. While clutch pedal is still pressed, engine rpm is raised unto its max. torque deliverable speed. In this...
  41. Auto-Didact

    Determinism: mathematical models

    Ever since Newton, determinism - i.e. the concept that the prior state of a system determines the next state of the system - has become an integral part of science, in particular of physics. This is particularly because Newton invented a mathematization of the concept of change: the calculus; in...
  42. Aleoa

    Puzzles and exercises to improve mathematical and spatial intelligence

    In your childhood or adolescence, or maybe as an adult, have there been types of exercises or puzzles that you think have improved your mathematical intelligence and in particular the spatial thinking? If yes, which ones?
  43. babaliaris

    Mathematical Analysis Of V^2 = Vo^2 + 2a(X-Xo)

    I found the formula but I can't understand how to interpret the 3 cases. Case 3 make sense. d > 0 if a > 0 because Vo^2 > 0 and Δx > 0 by default (can't have negative length). In this case t2 is negative because the numerator is a sum of two negative values and the denominator a > 0 so we...
  44. karush

    Chord Length: A Mathematical Observation

    Ok this should be just an observation solution .. But isn't the equation for chord length $$2r\sin{\frac{\theta}{2}}= \textit{chord length}$$ Don't see any of the options Derived from that..
  45. D

    Mathematical Induction: Showing Sums of 3 Consecutive Integers

    On the outside rim of a circular disk the integers from 1 through 30 are painted in random order. Show that no matter what this order is, there must be three successive integers whose sum is at least 45.
  46. MathematicalPhysicist

    Friction in a simple mathematical pendulum

    How do I guarantee that that the friction in the movement of a simple mathematical pendulum is negligible?
  47. I

    Level of mathematical rigor needed for physics

    How much mathematical rigor do you need to have good understanding of physics? My professor for multivar calc this year isn't really that good(that or I'm not good enough to keep up) so I've resorted to reading and working through Stewart on my own and I'm wondering if that's enough since...
  48. J

    Mathematical model of an induction motor

    A coil is modeled as Z = jwL or Z = sL or V = L dI/dt What are the equations for an induction motor? Single-phase one.
  49. D

    Need a proper mathematical name

    Consider a circle with a chordal line dividing the area into two unequal parts. It seems to be accepted practice to call the smaller of these parts a circular segment. Is there a generally accepted name for the larger area? I've been writing some material where this geometry arises, and I've...
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