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Prerequisites for 8601: strong understanding of a year of undergrad real analysis, such as our 5615H-5616H or equivalent, with substantial experience writing proofs . Courses named Advanced Calculus are insufficient preparation. The necessary mathematical background includes careful treatment of limits (of course!), continuity, Riemann integration on Euclidean spaces, basic topology of Euclidean spaces, metric spaces, completeness, uniform continuity, pointwise limits, uniform limits, compactness, and similar.
General comfort with abstraction is a prerequisite.
Substantial experience writing proofs is a prerequisite. Ideally, students coming into this course have acquired a range of experience in proof writing, not only in a previous course in real analysis, but also in previous courses in abstract algebra, rigorous linear algebra, or point-set topology. For that matter, all the latter topics play a roles in 8601-02.
Coherent writing, apart from proof-writing itself, is essential. Contrary to some myths, the symbols do not speak for themselves.
Diagnostics: A brief diagnostic questionnaire is available, for self-evaluation, by prospective students, of their readiness for 8601. The meanings of all the questions, and some ideas about the answers, should be very familiar to prospective students already. The conduct of the course will presume so. Also, within the first week or so of the actual course, we will have an in-class diagnostic midterm, a review of the prerequisites. Difficulty in that exam would be a sign that one is not prepared for the course. By that point, it would likely be very difficult to catch up, and it would surely be wise to switch to the 5xxx-level analysis course.
Note: even with a somewhat thin background, systematic study over the summer can greatly improve one's preparedness for this course. However, one should not under-estimate the level of effort required to emulate one or more serious year-long courses in abstract mathematics in a few months over the summer.
Prerequisites for 8602: 8601 or equivalent.
Fall 2019 : MWF, 10:10-11:00, Vincent 2. Text will be notes posted here, supplemented by whatever books or other notes you like.
Spring 2019 : MWF, 10:10-11:00, Vincent 206. Text will be notes posted here, supplemented by any standard text or notes that suit your taste.
Sources: The measure-and-integration we will cover is standard, and can be found in many sources, in addition to the write-ups here. Similarly, basics about Hilbert spaces and Banach spaces can be found in many places. The notes that will appear here will de-emphasize pathologies (except as cautionary tales). Looking at a variety of sources is recommended, as a way to avoid getting caught up in the idiosyncrasies of any particular source. At the same time, many of these sources are ridiculously expensive... Also, many have not been updated to reflect progress in mathematics over the last 80+ years! Although measure-and-integration succeeded in addressing certain issures, it by far did not completely succeed, and a good part of the progress in analysis 1915-2015 aims at greater success than measure-and-integration alone can achieve.
Spring grades will be determined by three in-class midterms , scheduled as in the table below. You are not competing against other students in the course, and I will not post grade distributions. Rather, the grade regimes are roughly 90-100 = A, 75-90 = B, 65-75 = C, etc., with finer gradations of pluses and minuses. So it is possible that everyone gets a "A", or oppositely. That is, there are concrete goals, determined by what essentially all mathematicians need to know, and would be happy to know.
In Spring 2019, classes end Monday, May 6, 2019.
There will be regular homework assignments preparatory to exams, on which I'll give you feedback about mathematical content and writing style. The homeworks will not directly contribute to the course grade, and in principle are optional, but it would probably be unwise not to do them and get feedback. No late homeworks will be accepted. Homework should be typeset, presumably via (La)TeX.
Office hours: MWF 11:15-12:20. Send email anytime!
Cumulative notes are or will be also grouped into an evolving single PDF. There is a Fall 2017 version already available.
Partial outline: ... resembling last year's...
|Jan 23||Jan 25|
|Jan 28||Jan 39||Feb 01|
|Feb 04||Feb 06||Feb 08 hmwk 4 due|
|Feb 11||Feb 13||Feb 15|
|Feb 18||Feb 20||Feb 22 hmwk 5 due|
|Feb 25||Feb 27||Mar 01 exam 5|
|Stony Brook||Mar 04||Mar 06||Mar 08|
|Mar 11||Mar 13||Mar 15|
|Mar 18 spring break||Mar 20||Mar 22|
|Mar 25||Mar 27||Mar 29 hmwk 6 due|
|Apr 01||Apr 03||Apr 05 exam 6|
|Apr 08||Apr 10||Apr 12|
|Apr 15||Apr 17||Apr 19|
|Apr 22||Apr 24||Apr 26 hmwk 7 due|
|Apr 29||May 01||May 03 exam 7|
|May 06 last class|
Cumulative notes are also grouped into a single pdf for easier searching for keywords, etc. This will be updated as more notes are added... [ updated 04 Dec '17]
Tentative partial outline: