Past investigations tend to concentrate on properties of the prime numbers. The author feels that much information could be gathered by studying the distribution of both prime and non-prime numbers using a matrix map. Both methods give accurate, deterministic mathematical models of the distribution ...
试题来源: 解析 C 正确答案:C解析:The non-prime numbers between 40 and 50 are 42, 44, 45, 46, 48, and 49. (Remember, the non-inclusive means we don’t include the 40 and 50.) Add them all up and we get 274.反馈 收藏
A composite (non-prime) number is a number that has at least one factor other than 1 and the number itself, such as 6. 6 has 4 factors: 1, 2, 3, and 6. Prime numbers only have two factors. How many composite numbers are there up to 20? 相关知识点: 试题来源: 解析 11 A ...
Non-congruent numbers with arbitrarily many prime factors congruent to $3$ modulo $8$ 来自 dx.doi.org 喜欢 0 阅读量: 63 作者: B Iskra 摘要: The author proves that if p 1 ,,p are distinct primes satisfying p i ≡3(mod8) and (p j /p i )=-1, j...
Nonsolvable groups, whose character degrees are products of at most two prime numbers Let n∈, n=p 1 a 1 ···p k a k its prime decomposition, ω(n)=a 1 +···+a k . If Irr(G) is the set of irreducible complex characters of the finite group G, then define ω(G)=max χ...
is the one-body density, and \(w(| {{{\bf{r}}}-{{{\bf{r}}}^{{\prime} }| )\) the electron-electron interaction. The last term in Eq. (2) is the time-dependent exchange-correlation (xc) potential, vXC[n; Ψ0, Φ0](r, t): a functional of the density, the init...
Our goal is to construct the matrix \({H}_{e}=i\Big(\begin{array}{cc}O & -{{H}_{B}}^{{\prime} }\\ {{H}_{B}}^{{\prime} } & O\end{array}\Big)\) through appropriate settings of the circuit components, where HB' corresponds to the real-space Hamiltonian HB for the 3D...
Nontrivial attractor-repellor maps of $S^2$ and rotation numbersdoi:10.2969/jmsj/06720477attractorrepellorprimeendsrotationnumber Shigenori,Matsumoto - 《Journal of the Mathematical Society of Japan》 被引量: 0发表: 2015年 Uniform persistence and repellors for maps We establish conditions for an iso...
1 Michael Stewart University College London Late in the evening of Sunday 21 April 2002, the incoming Hungarian prime minister, Peter Medgyessy, t... M Stewart - 《Diaspora A Journal of Transnational Studies》 被引量: 47发表: 2002年
(18), it is evident that \([{\boldsymbol{W}}_{m,n}^{\mathrm{L}},{\boldsymbol{W}}_{m\prime ,n\prime }^{\mathrm{L}}] = 0\). Theorem 2 The non-Abelian Hofstadter model Hs becomes genuinely Abelian if and only if \([{{{\Theta} {\Phi} }},{{{\Phi} {\Theta} }}] ...