第336章 章 谁更迷人(1 / 2)

“于磊,总体来说,你这段时间在学术上的表现还算合格。”

沈奇认同于磊最近的努力,在这个与维多利亚大学合作的项目中,于磊耗尽了他的全部智慧和数学才华。

其实沈奇在这个函数论的课题上,并没有给予于磊过多细节上的指导,他只是拉了个框架,指明方向性。

于磊还是有数学底子的,毕竟他曾是全中国TOP6之一的奥数国家队队员,在水木大学数学系接受过洗礼。

于磊出差加拿大的那一周,欠了些风流账,当地的地头蛇盖伊家族之所以没有打断于磊的腿,一是给沈奇面子,二是得罪普林斯顿有风险,三是于磊的确为项目做出了一定贡献。

此时,沈奇有必要给予于磊更详细的指导,以帮助于磊尽快成材,他指出资料中的一处漏洞:“于磊,在此处你不能轻易断言F1不存在子列在点z=0的正规处,你缺少天衣无缝的严谨论证。我并非全盘否定你现在的论证,只不过是希望你能做的更好。”

“洗耳恭听。”于磊立即变的严肃认真,进入了全神贯注的学术战斗状态中。

沈奇随手抽了张白纸,边写边说:“如果存在F1的一个子列,使得{Fn}在点0处正规,则必然有一正数M1,使得∣Fn(z)∣≥M1对所有的z∈△δ……我简单推演了一下,这里的g是一个非常数亚纯函数。”

沈奇将白纸调转180度,让于磊看到纸上的式子。

于磊两眼放光,他发现了比漂亮姑娘更刺激的存在:“你简单推演出的gn(ζ)=Fn(zn+ρnζ)/ρn,略过了蒙泰尔定理,游离于茹利亚方向之外,却更加迷人。”

法国数学家茹利亚在同胞蒙泰尔的理论基础上提出了茹利亚方向,对于超越整函数或超越亚纯函数,茹利亚方向是复平面C内由原点出发的具有下述性质的半射线J={z|argz=θ0},这是函数论中的重要理论依据。

沈奇在草稿纸上随手画了两下,提出了一个新的创意,如果不依靠于茹利亚方向,是否同样能够得到全纯函数的正规族?

“这是信手拈来的沈奇方向啊……”于磊跟了沈奇近一年的时间,终于从沈奇身上学到一点真本领:“沈氏学派果然博大精深,小奇哥随手抛出点干货,就非常之牛逼!”

“嗯,你进入状态了,很好,望保持。”沈奇满意于磊的反应,他问到:“数学和姑娘,谁更迷人?”

“还用问吗?”于磊理所当然的答到,不假思索的给出答案:“当然是姑娘更迷人!”

沈奇:“所以我白说了?”

于磊:“数学无法用迷人来形容,它是迷药,是毒药!在姑娘面前,我尚可保持清醒,在数学面前,我难以戒掉毒瘾。”

“说的这么发自肺腑,你把我感动到了。”沈奇笑道,他给于磊讲了讲他对函数论的理解,以及对这个课题后续研究方向的观点。

在沈奇的指导下,于磊受益匪浅,在学术上也更加自信。

另一条战线上,沈奇的另一位学生拉尔夫稳扎稳打。

拉尔夫性格沉稳,他从没给沈奇捅过篓子,他不喝酒不抽烟不烫头发不撩妹,这么老实本分的美国年轻男子不常见。

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