Recent content by V9999
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I Open problems in nonlinear dynamics and Chaos
What are the remaining open problems and challenges of nonlinear dynamics and chaos?- V9999
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- Chaos Nonlinear dynamics
- Replies: 1
- Forum: Classical Physics
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I A doubt about the multiplicity of polynomials in two variables
Hi, andrewkirk. Thanks for commenting. I see your point. However, I did not understand your last statement. Correct me, if I am not mistaken, but by substituting ##y=-1/2## into ##P(x,y)## we will have ##P(x,-1/2) \equiv \tilde{P}(x)=50x^2+100x+50##, or, simply,##\tilde{P}(x)= 50(x+1)^2##. Based...- V9999
- Post #3
- Forum: General Math
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I A doubt about the multiplicity of polynomials in two variables
Let ##P(x,y)## be a multivariable polynomial equation given by $$P(x,y)=52+50x^{2}-20x(1+12y)+8y(31+61y)+(1+2y)(-120+124+488y)=0,$$ which is zero at ##q=\left(-1, -\frac{1}{2}\right)##. That is to say, $$ P(q)=P\left(-1, -\frac{1}{2}\right)=0.$$ My doubts relie on the multiplicity of this point...- V9999
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- Algebra Doubt multiplicity Multivariable calculus Polynomials Variables
- Replies: 8
- Forum: General Math
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Book recommendations about singular points of algebraic curves
Many, many thanks for the suggestions!- V9999
- Post #3
- Forum: Science and Math Textbooks
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Book recommendations about singular points of algebraic curves
I'm not quite sure if this is an appropriate question in this forum, but here is the situation. I have just finished my graduate studies. Now, I want to explore algebraic geometry. Precisely, I am interested in the following topics: Singular points of algebraic curves; General methods employed...- V9999
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- algebraic curves Book Book recommendations Curves Points Singular points
- Replies: 3
- Forum: Science and Math Textbooks
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Open problems and suggestions of great mathematical journals
Hi, Drakkith. I hope you are doing well. This is precisely what I was searching. Thank you very much.- V9999
- Post #8
- Forum: General Math
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I May I use set theory to define the number of solutions of polynomials?
Hello, Mark44. I hope you are doing well! Thanks a lot for your insightful comment. That is exactly what I was thinking. However, how may I mathematically define the "reciprocal" of ##Q_n(x)##? That is to say, is there a specific notation to define the reciprocal of ##Q_n(x)##? Thanks in...- V9999
- Post #12
- Forum: Set Theory, Logic, Probability, Statistics
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I May I use set theory to define the number of solutions of polynomials?
Hi, martinbn, I hope you are doing well. Thanks for commenting. It could be ##n##. However, I would prefer ##J_{n}## rather than simply ##n##.- V9999
- Post #8
- Forum: Set Theory, Logic, Probability, Statistics
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I May I use set theory to define the number of solutions of polynomials?
Hi, WWGD. I hope you are doing well. Thanks for commenting. In my definition stated above, I am interested in the singular points of ##Q_{n}(x)##, which are obtained by the zeros or solutions of ##P_{n}=0##. In as much as ##(Q_{n}(x))^{-1}=P_{n}##, then I have considered...- V9999
- Post #7
- Forum: Set Theory, Logic, Probability, Statistics
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I May I use set theory to define the number of solutions of polynomials?
Hi, Office_Shredder. I hope you are doing well. First, thanks for commenting. Second, I could be P since ##(Q_{n}(x))^{-1}## is ##P_{n}##. In light of the foregoing, the definition would be ##Sup\{\pi(P_{n}(x)=0):\partial P \leq n\}##. Based on the above, is there anything else that I should...- V9999
- Post #6
- Forum: Set Theory, Logic, Probability, Statistics
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I May I use set theory to define the number of solutions of polynomials?
Let ##Q_{n}(x)## be the inverse of an nth-degree polynomial. Precisely, $$Q_{n}(x)=\displaystyle\frac{1}{P_{n}(x)}$$, It is of my interest to use the set notation to formally define a number, ##J_{n}## that provides the maximum number of solutions of ##Q_{n}(x)^{-1}=0##. Despite not knowing...- V9999
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- Polynomial Polynomials Set Set notation Set theory Theory
- Replies: 13
- Forum: Set Theory, Logic, Probability, Statistics
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Open problems and suggestions of great mathematical journals
martinbn, Thanks for commeting! However, my question is exactly about this. Suppose that someone had undoubtedly solved an open problem in the field of algebraic geometry and mathematics. Based on your broad experience, what are the top mathematical journals to be considered first? Take, for...- V9999
- Post #3
- Forum: General Math
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Open problems and suggestions of great mathematical journals
Hi! Suppose that someone had solved an old but open problem in the great area of mathematics and physics, for instance, dynamical systtems, algebraic geometry and differential equations. Based on your broad experience, what are the best scientific journals to submit such a discovery? In...- V9999
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- Dynamical systems Journals Math and physics Mathematical Suggestion Suggestions
- Replies: 9
- Forum: General Math
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I Discrete mathematics--An easy doubt on the notations of sums
Hi, Office_Shredder. I hope you are doing well. Thanks for the great insight and I will take it under consideration.- V9999
- Post #8
- Forum: Set Theory, Logic, Probability, Statistics
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I Discrete mathematics--An easy doubt on the notations of sums
Hi, FactChecker. I hope you are doing well. Thanks for the great insight and I will take it under consideration.- V9999
- Post #7
- Forum: Set Theory, Logic, Probability, Statistics