众所周知,对于想通过学术亮点进入前20名校的学生来说,能申请到一个非常具有含金量的项目,论证自己的学术能力非常重要,几乎可以说“一只脚已经踏入了藤校”。夏校就是一个很好的背景提升项目。夏校课程大多都是以美国学校为基地,由本校的老师上课,拥有成熟固定的课程供大家选择,涉及的内容包括ESL、科学、体育、艺术等等。越来越多准备出国留学的高中生,利用暑假去美国读暑校,为自己的美本申请添一份助力。
2022年罗斯数学训练营已开放申请。为了保持罗斯营精神的传承,罗斯组委会经过讨论,决定取消线上营。由于疫情防控和出入境管理政策,暂停举办2022罗斯亚洲营。在美国开放两个线下营地,每个营地招收60名新生。受疫情防控和出入境管理政策影响,境外学生可能无法申请美国营。
申请须知
2022年4月1日(美东时间),罗斯数学训练营招生委员会将开始选拔申请者,陆续发放邮件,告知申请者的录取结果。
申请提交截止日期为2022年3月31日(美东时间),因此建议大家尽早提交申请资料。
以下为Ross官网发布的2022年部分数学题:
The number systems Z and Zm (for a positive integer m) were defined in the previous
problem. We also use the notations:
Q is the system of rational numbers.
4Z is the set of multiples of 4 in Z. Similarly for 4Z12.
Consider the following number systems:
Z, Q, 4Z, Z3, Z8, Z9, 4Z12, Z13.
One system may be viewed as similar to another in several different ways.
(a) Let’s measure similarity using algebraic properties. First consider the following
sample properties:
(i) If a2 = 1, then a = ±1.
(ii) If 2x = 0, then x = 0.
(iii) If c2 = 0, then c = 0.
Which of the systems above have properties (i), (ii), and/or (iii)?
(b) Formulate another algebraic property and determine which of those systems have
that property.
Write down some additional algebraic properties and investigate them.
(c) In your opinion, which of the listed systems are “most similar” to each another?
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