Elementary Number Theory by Underwood Dudley

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  • Опубліковано 21 кві 2024
  • In this video I will show you a book on Number Theory. It was written by Underwood Dudley.
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КОМЕНТАРІ • 50

  • @bryanbain3509
    @bryanbain3509 Місяць тому +11

    "civilization would carry on much as usual if all of its theorems were to disappear,..."
    If only the author had the foresight to know how number theory would be used for encryption algorithms when sending private data online.
    I, for one, would like to express my gratitude towards number theory for allowing me to make online purchases with my credit card more secure.

  • @boogerie
    @boogerie Місяць тому +5

    The best introduction to number theory is The Higher Arithmetic: An Introduction to the Theory of Numbers by H Davenport read in conjunction with A Pathway Into Number Theory by R P Burn

  • @pinedelgado4743
    @pinedelgado4743 Місяць тому +12

    I've got the Dover re-print!!! :) :) :)

  • @capefry8323
    @capefry8323 Місяць тому +4

    Off topic but "Underwood Dudley" is such a cool name to have.

    • @Steve_Stowers
      @Steve_Stowers Місяць тому +1

      He also wrote "Mathematical Cranks" and other books about pseudomathematics.

  • @MahmonirZakerimehr
    @MahmonirZakerimehr Місяць тому +4

    Thanks Math Sorcerer, I've been waiting for this, I'm taking the Number Theory course in the coming fall and I need a book to study during the summer.

  • @douglasstrother6584
    @douglasstrother6584 Місяць тому +26

    It's curious that Number Theory isn't considered a core course in a Mathematics curriculum.

    • @joef4309
      @joef4309 Місяць тому +3

      Not that curious. If a class uses something from number theory, you can just introduce that result then. Most core or foundational graduate math classes do not require a full course in number theory to learn.

    • @user-dv8ym8ry9g
      @user-dv8ym8ry9g Місяць тому +4

      It's not even required for a masters or PhD. It really is of interest because of of computing.

    • @douglasstrother6584
      @douglasstrother6584 Місяць тому +1

      @@user-dv8ym8ry9g That's surprising.
      The first hundred or so pages of "Machinery's Handbook" is mathematics (mostly geometry & algebra), including the prime factors up to 1,000.

    • @kayqueelson1761
      @kayqueelson1761 Місяць тому +2

      In many universities in my country, it is (Brazil).
      I took an extremely advanced Algebra course, such that number theory was completely fundamental.

    • @pensamentosvazios4442
      @pensamentosvazios4442 Місяць тому +2

      ​@@kayqueelson1761eu ia falar isso agr kkkkk

  • @Steve_Stowers
    @Steve_Stowers Місяць тому +4

    The "EU" letter combination is always pronounced "oy" in German. That's why SIgmund Freud is pronounced "Froyd" rather than "Frood" (unless you're Bill S. Preston, Esq. and/or Ted "Theodore" Logan).

    • @tomkerruish2982
      @tomkerruish2982 6 днів тому +1

      Why are you using the inclusive or? Being Bill and being Ted seem to be mutually exclusive.

  • @joshuadixon9368
    @joshuadixon9368 Місяць тому +1

    When I earned my degree in mathematics, Number Theory was a required course. In fact, we used this book. I loved this course.
    That said, many of these concepts and topics find their introduction and use in other mathematical fields/courses, even if discretely.
    I wish textbooks didn’t make “math stuff” sound so boring and dry. I think it turns people/students off. I now teach middle school math, and the hardest part is getting students to get over the “fear” of math or their boredom of it.

  • @ratnabanerjee7133
    @ratnabanerjee7133 Місяць тому +3

    WOW ! That's an outstanding book. Many thanks for sharing 👍🏻

  • @joegilbody4878
    @joegilbody4878 Місяць тому +2

    I majored in math (BS) I had to take a course in number theory I loved it.

  • @victornecromancer
    @victornecromancer Місяць тому +5

    "IT'S OYLER'S THEOREM!" 🤣🤣

  • @pichirisu
    @pichirisu Місяць тому +10

    Taking number theory this semester. 110% the most boring thing I've ever done in my degree so far. "A number is a number is a number." Can't wait to get it over with.

    • @Steve_Stowers
      @Steve_Stowers Місяць тому +4

      I feel so sorry for you. Number theory can be fascinating.

    • @pichirisu
      @pichirisu Місяць тому +1

      @@Steve_Stowers I feel sorry for you as well for trying to conjecture numbers without philosophy while claiming there’s a theory, without philosophy, and only utilizing higher arithmetic lmfao. “A number is a number is a number.” Come on, give me more than that if you want to claim “theory”. Boring subject.

    • @seanhunter111
      @seanhunter111 Місяць тому +3

      I couldn't disagree more. I have just done my first course in number theory and thought it was really cool. Maybe it depends on how you were taught.

  • @adahy1510
    @adahy1510 Місяць тому +1

    This was the book used in my introductory number theory course in college.
    Fun fact: on page 6 of the second edition, there's a fun little math error where we find the GCD of 69 and 21 is 7.

  • @abdelmajidkansoussi6904
    @abdelmajidkansoussi6904 14 днів тому +1

    I think the best introductionary book of number theory is Elementary number theory by David burton

  • @SequinBrain
    @SequinBrain Місяць тому

    ~8:50 when books skip steps, some do, some don't, I just write to the side the missing step that made me stop reading and get stuck, if I can figure it out. This helps later, b/c when I read it again, I get stuck at the same place for the same reason. Side notes are HUGE sanity savers. Ppl who have better retention probably need fewer side notes, but I'm not one of those ppl. btw, that chart on the front, not on the newer copies sadly, is nice where it has all the prime numbers darkened to help w/ factorizations.

  • @hilbertshotel
    @hilbertshotel Місяць тому

    This is a good introductory book on number theory. I also recommend “Topics From the Theory of Numbers” by Emil Grosswald.

  • @xbz24
    @xbz24 Місяць тому

    Thanks

  • @kenmc5690
    @kenmc5690 Місяць тому +3

    On a frivolous note, it's the only number theory book that mentions sex: look in the index!

  • @muloshtrolischklov7475
    @muloshtrolischklov7475 Місяць тому

    I'm in a number theory course right now using this textbook!

  • @jadney
    @jadney Місяць тому

    As a general rule, the last letter of a French word is not pronounced unless it is an accented vowel, so Fermat is pronounced Ferma.

  • @user-zy2ys5zz1g
    @user-zy2ys5zz1g Місяць тому

    Hello from Iran! I love number theory and I have started studying Maryam Mirzakhani number theory ... It is really cool! but sometimes lack of not having a teacher shows itself while the explanations are not clear enough but I usually handle it if I spend more time and think more...however it is good cause makes me think more! as she always said if we are patient we can enjoy math and understand its beauty! I think there is not the book you said in my country but I will try downloading its pdf and If it was cool I will print it! thanks a lot😄

  • @jamesedward9306
    @jamesedward9306 Місяць тому

    Appreciate all you do Sorcerer.

  • @user-dv8ym8ry9g
    @user-dv8ym8ry9g Місяць тому +1

    I used this book as an undergrad back in the 70s. Oiler

  • @narendraparmar3073
    @narendraparmar3073 7 днів тому

    Veri nice information

  • @walter274
    @walter274 Місяць тому +1

    One of my friends puts his email in his books in case he leaves it some where. I took a course out of silverman and thought it was a very readable book.

  • @subodhgautam649
    @subodhgautam649 Місяць тому

    Diphontine equations arise in process control, MPC..

  • @gomjabbar9999
    @gomjabbar9999 Місяць тому +1

    The most readable Number Theory book is by Kuldeep Singh by far.

    • @michaelkheifetz6607
      @michaelkheifetz6607 Місяць тому

      Yeah I saw a few chapters of that one online and his linear algebra book. Have you found a free pdf of this? I can’t find a free pdf?

  • @jamesmauricio6180
    @jamesmauricio6180 Місяць тому

    Can you help me get better at math there for getting better at my job

  • @Seth_Saka
    @Seth_Saka Місяць тому +1

    ❤❤❤

  • @ifteislam5042
    @ifteislam5042 Місяць тому

    Hellow sir.greetings from Bangladesh. Im watching your vedios since 2020.can you please upload vedios from advanced engineering mathematics by erwin kreyszig

  • @adilmohamed1297
    @adilmohamed1297 Місяць тому

    How do you learn writing proofs on your own without talking a course?

  • @billylee5624
    @billylee5624 Місяць тому

    Can't wait to take number theory in the summer, hwuaah, spirals of the prime number sequences and concepts like direchlet's theorem, etc. Like to say direechley, jk.

  • @cornucopiahouse4204
    @cornucopiahouse4204 Місяць тому +4

    Joe: So what did you major in college?
    Math Major: Math
    Joe: Oh you just be good with numbers!
    Math Major: Actually, I never took a course in Number Theory.
    Joe: 😮

  • @malikgray6615
    @malikgray6615 Місяць тому +1

    That’s what I hate about most math books they don’t explain everything in great detail.

  • @jub8891
    @jub8891 Місяць тому

    The way its titled makes it sound like it is where we should start learning Maths :).. im so confused

  • @robertgerbicz
    @robertgerbicz Місяць тому

    On the cover of the book 1 is marked as a prime number. What a shame, pretty low quality.