Applied Analysis and Optimization Seminar
Department of Mathematics, Simon Fraser University

Next talk

Fall 2003 to Summer 2004 Schedule [Wednesdays from 2:30 - 4:30] in CoLab or K9509

November:

26 Wednesday 2:30-3:30 in CoLab. J Borwein and H. Wiersma, Decomposing Monotone Operators

19 Wednesday 2:30-3:30 in CoLab. J Borwein and H. Wiersma, Decomposing Monotone Operators

5 Wednesday 2:30-3:30 in CoLab. Ian Coope, 40 Years of the Nelder-Mead Algorithm

October:

15 Wednesday 2:30-3:30 in CoLab. Chris Hamilton and Jon Borwein: Symbolic convex analysis.

8 Wednesday 2:30-3:30 in K9509. Russell Luke: Optimization in Inverse Scattering.

September:

24 Wednesday 2:30-3:30 in K9509. Organization and short talk by Adrian Lewis on nonsmooth Lojasiewicz inequalities. Abstract.

Fall 2002 to Summer 2003 Schedule [Wednesdays from 2:30 - 4:30] in CoLab or K9509

August:

20 Wednesday 2.00-5.00pm. Triple header (Details below)

15 Friday 2.30-3.30pm, Ferenc Moritz (Szeged): Statistical Convergence of Series

13 Wednesday 2.30-3.30pm, Jim Zhu (Kalamazoo): Nonsmooth Analysis on Manifolds

July:

23 Wednesday 2.30-3.30pm, Warren Hare (SFU): Semismooth Optimization

16 Wednesday 2.30-3.15, Mason Macklem (SFU): From Patterns to Frames: Recent Developments in Gradient-Free Optimization

2 Wednesday 2.30-3.30pm, Aris Daniilidis (Barcelona): From convexity to Clarke regularity: a survey of modern notions of set regularity

June:

25 Wednesday 2.30-3.30pm in K9509, Adrian Lewis: Components of pseudospectra and controllability.

18 Wednesday 2.30-4.30pm in CoLab, Jerome Bolte and Russell Luke.

4 Wednesday 2.30-4.30pm, Applied Analysis double-header in CoLab: Shawn Wang on Cone-monotone functions and Marian Fabian on subgradient formulae on Asplund spaces.

May:

1 Graduate presentation in CoLab. by Mason Macklem "The History of Multidimensional Search Methods". Abstract.

April:

17 Graduate presentation in CoLab. by Joe Qranfal "Computationally Intensive Optimization Problems, a Case Study (SJV Geophysics)". Abstract.

3 Graduate presentations in CoLab. by Herre Wiersma "Variational Principles and Equivalences", and Chris Hamilton "Symbolic Convex Analysis". Abstract.

March:

13 Philip Loewen (UBC): "Metric projections in Hilbert spaces" (in K9509) Abstract.

February:

27Adrian Lewis, (SFU): "The structured distance to ill-posedness for conic systems".

13 Hristo Sendov (SFU, UBC, Guelph): "Self-concordant barriers for hyperbolic means" (in K9509)

6 Warren Hare (SFU): "Partial smoothness and prox regularity" Abstract. (Thesis Proposal)

January:

30 Adrian Lewis (SFU): "Nonsmooth regularity in robust control" (in K9509) Abstract.

16 Michael Overton (Courant Institute): "Optimizing matrix stability"

November:

21 "Numerical optimization of matrix stability" (Adrian Lewis) and "On the analysis of critical points" (Warren Hare) Abstracts

7 Jon Borwein speaks on Constructible Convex Sets

1-2 West Coast Optimization Meeting in Seattle: Programme (Full Programme (PS)).

October:

31 Jon Borwein speaks on Constructible Convex Sets -- Related Paper (Azagra and Ferrera, PS).

28 (Monday) CSS Distinguished Lecture Series: Stephen Boyd (Stanford) Advances in Convex Optimization, K9500 at 3.30.

17 Second study session on Derivative Free Methods.

10 First study session on Derivative Free Methods, Mason Macklem and Jon Borwein, Details. Two papers will be discussed: Download from here. V. Torczon (1997), On the Convergence of Pattern Search Algorithms, first and Abramsom/Audet/Dennis paper in the second seminar.

September:

19 Julian Revalaski (Sofia) speaks on Monotone Operators and Tomasz Kaczinski (Sherbrooke) speaks on Computational Homotopy, Abstract.

12 from 3:30 - 5:00 (Note time change)
Hristo Sendov, SFU: "Differentiability Properties of the Eigenvalues of Real Symmetric Matrices (and Related Topics)." Abstract and Overheads in PS.
Jon Borwein, CoLab: will lead a discussion of the Brazilian Optimization Meeting and plans to study papers during the next two months.

Spring & Summer 2002 Schedule [Mondays 3.30-5.00 (spring), Tuesdays 2.00-3.30 (summer)]

January:

14 Organizational Meeting and talk by Jon Borwein: "Convex subgradients whose graphs are NOT closed."

21 Carolyn Watters, Dal: "But I'm on my PDA: Cross Platform Collaboration." Abstract.

28 Rafal Goebel, CECM: "Cone-monotone functions in Banach spaces - examples of lack of regularity." Abstract.

February:

4 Rafal Goebel, "Cone-monotone functions in Banach spaces - examples of lack of regularity, continued." Abstract.

11 Veit Elser, CECM, Cornell University, "Phase retrieval with bits, pixels, and atoms." Abstract.

18 No Seminar

25 Eldar Sadeghi, CECM, Tabris: "Bishop - Phelps Theorem and its relation with the RNP." Abstract.

March:

4 Philip Loewen, UBC: "A fixed-endpoint, autonomous problem in the one-dimensional problem in the Calculus of Variations." Abstract.

11 Adrian Lewis, CECM: "Robust eigenvalue optimization." Abstract.

18 No Seminar

25 Larry Nazareth, Washington: " Is there a `best' variable-metric or CG algorithm for nonlinear optimization?" Abstract. (Also Wednesday Colloquium)

April:

15 Mason Maklem: CECM. "Multidimensional scaling techniques"

May:

13 Jon Borwein: CECM."Differentiability of Monotone Functions on Banach Space" (Overheads)

Tentative Summer Schedule (typically two 45 minute talks).
The seminar will normally run on Tuesdays 2:00-3:30pm in K9509. When possible, each seminar will consist of two talks.

June:

3 Vaclav Zizler, University of Alberta: "Shrinking Markusevich Bases"
Special Monday seminar - June 3, 10:30am in K9509 Abstract.

11 A. Lewis, SFU: "Robust regularization" Abstract. and M. Fabian, Univ. of Prague: "On variational principles (mostly smooth ones)". Abstract.

25 Rafal Goebel (CECM/UBC) "Convex integral functionals and Fenchel duality" and Xianfu Wang (Okanagan University College) "Cone monotone functions: differentiability and continuity" Abstracts.

July:

2 No seminar (Canada Day)

9 P. Loewen, UBC: "Smooth Bumps and Their Gradients" and J. Borwein, SFU: "Bregman Monotone Optimization Methods" Abstracts.

16 No seminar (Rio meeting)

23 Adrian Lewis, CECM/SFU;n "Robust regularization in optimization" and Hare, SFU: ""Identifing Manifolds for Partially Smooth Functions" Abstracts.


Fall 2001 Schedule (Thursdays 10-11.30)
Note: A graduate reading class on "Geometry of Banach Space" meets most Wednesdays from 10:00-11:30 in K9509.

September:

20 Organizational Meeting

27 Adrian Lewis, "Smoothness and symmetry." Abstract.

October:

4 Raf Goebel, "Planar Hamiltonian systems with large saddle sets." Abstract.

18 Philip Loewen, "Mazur's Theorem and Generalizations." Abstract.

25 Warren Hare, "Open Facets and Identifiable Surfaces." Abstract.

November:

2-3 West Coast Optimization Meeting, Seattle. Schedule in Postscript.

22 (9.30-10.30) Herre Wiersma, "An application of entropy maximization to finance." Abstract.

29 Mason Macklem, "Extending notions of optimality to multicriteria optimization problems." Abstract.

December:

6 Herre Wiersma, "An application of entropy maximization to finance (Part II)." Abstract.


Spring 2001 Schedule


Note: A graduate reading class on "Iterative Methods in Optimization and Reconstruction" meets most Thursdays from 10:30-12:00 in K9509.


January:

24 J. Borwein, "Recent progress in non-smooth analysis and optimization." Related overheads in postscript are available.

31 J. Borwein. "Recent progress in non-smooth analysis and optimization, part 2."

February:

7 Mason Macklem, "Current Trends in Perceptual Image Quality Assessment, part 1." Related overheads in powerpoint are available (2.8Mg and 3.2Mg respectively).

14 Mason Macklem, "Current Trends in Perceptual Image Quality Assessment, part 2."

21 Herre Wiersma, "Extending the Mean Value Theorem: Duality Inequalities and Sandwiched Functions, part 1."

28 Herre Wiersma, "Extending the Mean Value Theorem: Duality Inequalities and Sandwiched Functions, part 2."

March:

7 Tara Stuckless, "Equivalent forms of Brouwer's Theorem: Part I.".

14 Rafal Goebel, "Notions of Relative Interiors of Convex Sets in Banach Space: Examples and Counterexamples."

21 No seminar.

28 Tara Stuckless, "Equivalent forms of Brouwer's Theorem: Part II."

April:

11 Warren Hare, "Warren's Magic Mystery Math Talk" or "Preserving Lipschitzity Via Directional Subgradients"

..... HIATUS UNTIL MAY (4-5 WCOM) ....


SUMMER MEETINGS FROM 10.00-11.30 WEDNESDAYS


May:

9 Philip Loewen, "Smooth nonlinear surjections of Banach spaces, with applications."

23 Adrian Lewis, "Active sets in optimization." Abstract

30 J. Borwein, "Maximum Entropy-Type Methods and Convex Programming." Overheads

June:

6 J. Borwein and M. Macklem, "Visual Quality Assessment and Multicriteria optimization."

13 M. Lassonde and F. Jules, University of the Antilles "On the sum of subdifferentials" (Florence Jules) Overheads of talk.

20 M. Lassonde and F. Jules, "On the convergence of slopes and subdifferentials" (Marc Lassonde)

Fall 2000 Schedule
Thursdays at 11:30-1:00 in K9509


September:

14 J. Borwein, "Extensions of Convex Functions."

21 P. Loewen, "Bumps in Banach Space."

28 J. Borwein leading discussion of "Essential smoothness, essential strict convexity, and convex functions of Legendre type in Banach space" (paper available on CECM Preprint Server, http://wayback.cecm.sfu.ca/preprints 00:156-Bauschke-Borwein-Combettes).

October:

05 No Meeting

12 J. Borwein, Second discussion of "Essential smoothness ..."

19 J. Borwein, Final discussion of "Essential smoothness ..."

20-21 West Coast Optimization Meeting in Seattle

26 10:30-12:00 F. Clarke, (Lyons) "Design and robustness of discontinuous feedbacks." Abstract (Colloquium on 25th)

November:

02 X. Wang, "Local Lipschitz constants and maximal subdifferentials."

09 A. Celler (Vancouver Hospital) "Physics and Mathematics in SPECT Emission Tomography." Abstract

16 R. Goebel, "Smoothing, symmetry, and isometry for Legendre-Fenchel transform." Abstract

23 R. Goebel, "Notions of distance for convex functions and monotone operators."

30 W. Hare, "Generalising U-Lagrangians to Prox-Regular Equations."