Introduction to Complex Analysis–Part 2 | UCLA Extension

The topic for Mike Miller’s UCLA Winter math course isn’t as much a surprise as is often the case. During the summer he had announced he would be doing a two quarter sequence on complex analysis, so this Winter, we’ll be continuing on with our complex analysis studies.

I do know, however, that there were a few who couldn’t make part of the Fall course, but who had some foundation in the subject and wanted to join us for the more advanced portion in the second half. Toward that end, below are the details for the course:

Introduction to Complex Analysis: Part II | MATH X 451.41 – 350370

Course Description

Complex analysis is one of the most beautiful and practical disciplines of mathematics, with applications in engineering, physics, and astronomy, to say nothing of other branches of mathematics.  This course, the second in a two-part sequence, builds on last quarter’s development of the differentiation and integration of complex functions to extend the principles to more sophisticated and elegant applications of the theory.  Topics to be discussed include conformal mappings, Laurent series and meromorphic  functions, Riemann surfaces, Riemann Mapping Theorem, analytical continuation, and Picard’s Theorem.  The course should appeal to those whose work involves the application of mathematics to engineering problems, and to those interested in how complex analysis helps explain the structure and behavior of the more familiar real number system and real-variable calculus.

Winter 2017
Days: Tuesdays
Time: 7:00PM to 10:00PM
Dates: Jan 10, 2017 to Mar 28, 2017
Contact Hours: 33.00
Location: UCLA, Math Sciences Building
Course Fee(s): $453.00
Available for Credit: 3 units
Instructors: Michael Miller
No refund after January 24, 2017.
Class will not meet on one Tuesday to be announced.

Recommended Textbook: Complex Analysis with Applications by Richard A. Silverman, Dover Publications; ISBN 0-486-64762-5

 

Enroll Now

For many who will register, this certainly won’t be their first course with Dr. Miller–yes, he’s that good! But for the newcomers, I’ve written some thoughts and tips to help them more easily and quickly settle in and adjust: Dr. Michael Miller Math Class Hints and Tips | UCLA Extension

If you’d like additional details as well as lots of alternate textbooks, see the announcement for the first course in the series.

If you missed the first quarter and are interested in the second quarter but want a bit of review or some of the notes, let me know in the comments below.

I look forward to seeing everyone in the Winter quarter!

Michael Miller making a "handwaving argument" during a lecture on Algebraic Number Theory at UCLA on November 15, 2015. I've taken over a dozen courses from Mike in areas including Group Theory, Field Theory, Galois Theory, Group Representations, Algebraic Number Theory, Complex Analysis, Measure Theory, Functional Analysis, Calculus on Manifolds, Differential Geometry, Lie Groups and Lie Algebras, Set Theory, Differential Geometry, Algebraic Topology, Number Theory, Integer Partitions, and p-Adic Analysis.
Michael Miller making a “handwaving argument” during a lecture on Algebraic Number Theory at UCLA on November 15, 2015. I’ve taken over a dozen courses from Mike in areas including Group Theory, Field Theory, Galois Theory, Group Representations, Algebraic Number Theory, Complex Analysis, Measure Theory, Functional Analysis, Calculus on Manifolds, Differential Geometry, Lie Groups and Lie Algebras, Set Theory, Differential Geometry, Algebraic Topology, Number Theory, Integer Partitions, and p-Adic Analysis.

Warren Weaver Bot!

Liked Someone has built a Warren Weaver Bot! by WeaverbotWeaverbot (Twitter)
This is the signal for the second.
How can you not follow this twitter account?!

Now I’m waiting for a Shannon bot and a Weiner bot. Maybe a John McCarthy bot would be apropos too?!

🔖 Free download of Quantum Theory, Groups and Representations: An Introduction by Peter Woit

Bookmarked Final Draft of Quantum Theory, Groups and Representations: An Introduction by Peter Woit (Not Even Wrong | math.columbia.edu)
Peter Woit has just made the final draft (dated 10/25/16) of his new textbook Quantum Theory, Groups and Representations: An Introduction freely available for download from his website. It covers quantum theory with a heavy emphasis on groups and representation theory and “contains significant amounts of material not well-explained elsewhere.” He expects to finish up the diagrams and publish it next year some time, potentially through Springer.

I finally have finished a draft version of the book that I’ve been working on for the past four years or so. This version will remain freely available on my website here. The plan is to get professional illustrations done and have the book published by Springer, presumably appearing in print sometime next year. By now it’s too late for any significant changes, but comments, especially corrections and typos, are welcome.

At this point I’m very happy with how the book has turned out, since I think it provides a valuable point of view on the relation between quantum mechanics and mathematics, and contains significant amounts of material not well-explained elsewhere.

Peter Woit (), theoretical physicist, mathematician, professor Department of Mathematics, Columbia University
in Final Draft Version | Not Even Wrong

 

📖 On page 24 of 274 of Complex Analysis with Applications by Richard A. Silverman

📖 On page 24 of 274 of Complex Analysis with Applications by Richard A. Silverman

I enjoyed his treatment of inversion, but it seems like there’s a better way of laying the idea out, particularly for applications. Straightforward coverage of nested intervals and rectangles, limit points, convergent sequences, Cauchy convergence criterion. Given the level, I would have preferred some additional review of basic analysis and topology; he seems to do the bare minimum here.

Millions of photos of legs by beaches and pools… Now you suddenly realize what they’ve all been missing.

Millions of photos of legs by beaches and pools... Now you suddenly realize what they've all been missing: a math book on Harmonic Analysis 💡💣📚👓🎓🌡️🌞💯🔥

Instagram filter used: Clarendon

Photo taken at: Gerrish Swim & Tennis Club

Just spent the last 25 minutes hanging out with Terry Tao talking about complex analysis, blogging, and math pedagogy

Just spent the last 25 minutes hanging out with Terry Tao talking about complex analysis, blogging, and math pedagogy

Instagram filter used: Normal

Photo taken at: UCLA Math Sciences Building

Dr. Tao is keeping a great set of complex analysis notes on his blog.

🔖 Advanced Data Analysis from an Elementary Point of View by Cosma Rohilla Shalizi

Bookmarked Advanced Data Analysis from an Elementary Point of View by Cosma Rohilla Shalizi (stat.cmu.edu)

Advanced Data Analysis from an Elementary Point of View
by Cosma Rohilla Shalizi

This is a draft textbook on data analysis methods, intended for a one-semester course for advance undergraduate students who have already taken classes in probability, mathematical statistics, and linear regression. It began as the lecture notes for 36-402 at Carnegie Mellon University.

By making this draft generally available, I am not promising to provide any assistance or even clarification whatsoever. Comments are, however, welcome.

The book is under contract to Cambridge University Press; it should be turned over to the press before the end of 2015. A copy of the next-to-final version will remain freely accessible here permanently.

Complete draft in PDF

Table of contents:

    I. Regression and Its Generalizations

  1. Regression Basics
  2. The Truth about Linear Regression
  3. Model Evaluation
  4. Smoothing in Regression
  5. Simulation
  6. The Bootstrap
  7. Weighting and Variance
  8. Splines
  9. Additive Models
  10. Testing Regression Specifications
  11. Logistic Regression
  12. Generalized Linear Models and Generalized Additive Models
  13. Classification and Regression Trees
    II. Distributions and Latent Structure
  14. Density Estimation
  15. Relative Distributions and Smooth Tests of Goodness-of-Fit
  16. Principal Components Analysis
  17. Factor Models
  18. Nonlinear Dimensionality Reduction
  19. Mixture Models
  20. Graphical Models
    III. Dependent Data
  21. Time Series
  22. Spatial and Network Data
  23. Simulation-Based Inference
    IV. Causal Inference
  24. Graphical Causal Models
  25. Identifying Causal Effects
  26. Causal Inference from Experiments
  27. Estimating Causal Effects
  28. Discovering Causal StructureAppendices
    • Data-Analysis Problem Sets
    • Reminders from Linear Algebra
    • Big O and Little o Notation
    • Taylor Expansions
    • Multivariate Distributions
    • Algebra with Expectations and Variances
    • Propagation of Error, and Standard Errors for Derived Quantities
    • Optimization
    • chi-squared and the Likelihood Ratio Test
    • Proof of the Gauss-Markov Theorem
    • Rudimentary Graph Theory
    • Information Theory
    • Hypothesis Testing
    • Writing R Functions
    • Random Variable Generation

Planned changes:

  • Unified treatment of information-theoretic topics (relative entropy / Kullback-Leibler divergence, entropy, mutual information and independence, hypothesis-testing interpretations) in an appendix, with references from chapters on density estimation, on EM, and on independence testing
  • More detailed treatment of calibration and calibration-checking (part II)
  • Missing data and imputation (part II)
  • Move d-separation material from “causal models” chapter to graphical models chapter as no specifically causal content (parts II and IV)?
  • Expand treatment of partial identification for causal inference, including partial identification of effects by looking at all data-compatible DAGs (part IV)
  • Figure out how to cut at least 50 pages
  • Make sure notation is consistent throughout: insist that vectors are always matrices, or use more geometric notation?
  • Move simulation to an appendix
  • Move variance/weights chapter to right before logistic regression
  • Move some appendices online (i.e., after references)?

(Text last updated 30 March 2016; this page last updated 6 November 2015)

🔖 Quantum Information Science II

Bookmarked Quantum Information Science II (edX)
Learn about quantum computation and quantum information in this advanced graduate level course from MIT.

About this course

Already know something about quantum mechanics, quantum bits and quantum logic gates, but want to design new quantum algorithms, and explore multi-party quantum protocols? This is the course for you!

In this advanced graduate physics course on quantum computation and quantum information, we will cover:

  • The formalism of quantum errors (density matrices, operator sum representations)
  • Quantum error correction codes (stabilizers, graph states)
  • Fault-tolerant quantum computation (normalizers, Clifford group operations, the Gottesman-Knill Theorem)
  • Models of quantum computation (teleportation, cluster, measurement-based)
  • Quantum Fourier transform-based algorithms (factoring, simulation)
  • Quantum communication (noiseless and noisy coding)
  • Quantum protocols (games, communication complexity)

Research problem ideas are presented along the journey.

What you’ll learn

  • Formalisms for describing errors in quantum states and systems
  • Quantum error correction theory
  • Fault-tolerant quantum procedure constructions
  • Models of quantum computation beyond gates
  • Structures of exponentially-fast quantum algorithms
  • Multi-party quantum communication protocols

Meet the instructor

bio for Isaac ChuangIsaac Chuang Professor of Electrical Engineering and Computer Science, and Professor of Physics MIT

Introduction to Complex Analysis – Lecture 1 Notes

For those who missed the first class of Introduction to Complex Analysis on 09/20/16, I’m attaching a link to the downloadable version of the notes in Livescribe’s Pencast .pdf format. This is a special .pdf file but it’s a bit larger in size because it has an embedded audio file in it that is playable with the more recent version of Adobe Reader X (or above) installed. (This means to get the most out of the file you have to download the file and open it in Reader X to get the audio portion. You can view the written portion in most clients, you’ll just be missing out on all the real fun and value of the full file.) [Editor’s note: Don’t we all wish Dr. Tao’s class was recording his lectures this way.]

With these notes, you should be able to toggle the settings in the file to read and listen to the notes almost as if you were attending the class live. I’ve done my best to write everything exactly as it was written on the board and only occasionally added small bits of additional text.

If you haven’t registered yet, you can watch the notes as if you were actually in the class and still join us next Tuesday night without missing a beat. There are over 25 people in the class not counting several I know who had to miss the first session.

Hope to see you then!

Viewing and Playing a Pencast PDF

Pencast PDF is a new format of notes and audio that can play in Adobe Reader X or above.

You can open a Pencast PDF as you would other PDF files in Adobe Reader X. The main difference is that a Pencast PDF can contain ink that has associated audio—called “active ink”. Click active ink to play its audio. This is just like playing a Pencast from Livescribe Online or in Livescribe Desktop. When you first view a notebook page, active ink appears in green type. When you click active ink, it turns gray and the audio starts playing. As audio playback continues, the gray ink turns green in synchronization with the audio. Non-active ink (ink without audio) is black and does not change appearance.

Audio Control Bar

Pencast PDFs have an audio control bar for playing, pausing, and stopping audio playback. The control bar also has jump controls, bookmarks (stars), and an audio timeline control.

Active Ink View Button

There is also an active ink view button. Click this button to toggle the “unwritten” color of active ink from gray to invisible. In the default (gray) setting, the gray words turn green as the audio plays. In the invisible setting, green words seem to write themselves on blank paper as the audio plays.

📖 5.0% done with Complex Analysis by Elias M. Stein & Rami Shakarchi

📖 5.0% done with Complex Analysis by Elias M. Stein & Rami Shakarchi

A nice beginning overview of where they’re going and philosophy of the book. Makes the subject sound beautiful and wondrous, though they do use the word ‘miraculous’ which is overstepping a bit in almost any math book whose history is over a century old.

Their opening motivation for why complex instead of just real:

However, everything changes drastically if we make a natural, but misleadingly simple-looking assumption on f: that it is differentiable in the complex sense. This condition is called holomorphicity, and it shapes most of the theory discussed in this book.

We shall start our study with some general characteristic properties of holomorphic functions, which are subsumed by three rather miraculous facts:

  1. Contour integration: If f is holomorphic in \Omega , then for appropriate closed paths in \Omega

    \int\limits_\gamma f(z)\,\mathrm{d}z = 0.

  2. Regularity: If f is holomorphic, then f is indefinitely differentiable.
  3. Analytic continuation: If f and g are holomorphic functions in \Omega which are equal in an arbitrarily small disc in \Omega , then f = g everywhere in \Omega .

This far into both books, I think I’m enjoying the elegance of Stein/Shakarchi better than Ahlfors.

Introduction to Galois Theory | Coursera

Bookmarked Introduction to Galois Theory by Ekaterina AmerikEkaterina Amerik (Coursera)
A very beautiful classical theory on field extensions of a certain type (Galois extensions) initiated by Galois in the 19th century. Explains, in particular, why it is not possible to solve an equation of degree 5 or more in the same way as we solve quadratic or cubic equations. You will learn to compute Galois groups and (before that) study the properties of various field extensions. We first shall survey the basic notions and properties of field extensions: algebraic, transcendental, finite field extensions, degree of an extension, algebraic closure, decomposition field of a polynomial. Then we shall do a bit of commutative algebra (finite algebras over a field, base change via tensor product) and apply this to study the notion of separability in some detail. After that we shall discuss Galois extensions and Galois correspondence and give many examples (cyclotomic extensions, finite fields, Kummer extensions, Artin-Schreier extensions, etc.). We shall address the question of solvability of equations by radicals (Abel theorem). We shall also try to explain the relation to representations and to topological coverings. Finally, we shall briefly discuss extensions of rings (integral elemets, norms, traces, etc.) and explain how to use the reduction modulo primes to compute Galois groups.
I’ve been watching MOOCs for several years and this is one of the few I’ve come across that covers some more advanced mathematical topics. I’m curious to see how it turns out and what type of interest/results it returns.

It’s being offered by National Research University – Higher School of Economics (HSE) in Russia.