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Prime numbers, diophantine equations, diophantine approximations, analytic or algebraic number theory, arithmetic geometry, Galois theory, transcendental number theory, continued fractions

2 votes
0 answers
187 views

Solution of the Diophantine equation $x^4+y^4+z^4=2t^4$ are well-known? [closed]

Are solutions of the Diophantine equation $x^4+y^4+z^4=2t^4$ well-known? I give a solution: $x=m^2-n^2, y=m^2-2mn, z=n^2-2mn, t=m^2+n^2-mn$
Cố Gắng Lên's user avatar
-4 votes
2 answers
272 views

Has nontrivial solution in positive integers of a diophantine equation: $x_1^2+x_2^2+x_3^2+x... [closed]

Has nontrivial solution in positive integers of a diophantine equation as follows ? $$x_1^2+x_2^2+x_3^2+x_4^2=y_1^2+y_2^2+y_3^2+y_4^2$$ Where trivial solutions are $x_i=y_j$. Can you send me any re …
Cố Gắng Lên's user avatar
4 votes
1 answer
587 views

Another conjecture on sum $A+B=C$

Could You give your ideas, your comment, or a referen for a conjecture as follows: Consider $A, B, C$ be three positive integers numbers. By Fundamental theorem of arithmetic we write: $A=a_1^{ …
Cố Gắng Lên's user avatar