Talks, seminars, and lecture series by Ezra Miller
(Last updated October 2024)
269. Minnesota (Math Colloquium): Geometric central limit theorems on non-smooth spaces.
14 November 2024
268.
NUS IMS Singapore (ISAG II,
5 lecture hours): Geometric central limit theorems on non-smooth spaces
14–16 October 2024
Lecture 1: Overview
Lecture 2: Geometry and measure on CAT(κ) spaces
Lecture 3: Shadows and tangential collapse
Lecture 4: Convergence to Gaussian objects
Lecture 5: Singular CLT: proof techniques
267. Duke (Grad/Fac seminar): Geometric central limit theorems on non-smooth spaces.
23 September 2024
266. Oxford TDA Centre (Spires 2024):
New horizons in algebra for multiparameter persistence.
8 August 2024
265. Atlanta, GA (SCMB seminar, virtual):
Persistent homology for biology.
27 June 2024
264.
Barcelona, Spain (Hypatia School, 6 lecture hours):
New perspectives on algebra from applied topology
(intro slides and
lecture notes).
3–5 June 2024
263. CIRM Luminy (Geometric Sciences in Action):
What is a Gaussian on a singular space?.
30 May 2024
262. UIUC Math Colloquium:
Geometric central limit theorems on non-smooth spaces.
25 April 2024
261. BIRS-Banff (Rep Theory and TDA): Homological algebra and sheaf theory for multipersistence.
11 April 2024
260.
ICMAM Latin America (Algebra, Combinatorics, and Number Theory):
Advances in multigraded algebra.
29 September 2023
259.
The First Symposium of Geometry and Statistics (Yanqi Lake Beijing IMS):
Geometry of measures on stratified spaces.
30 July 2023
258.
Object Oriented Data Analysis in Health Sciences (IMSI, UChicago):
Geometry of measures on stratified spaces.
12 July 2023
257.
Statistics of Shapes and Geometry (MPI, Leipzig / ScadsAI):
Geometric central limit theorems on non-smooth spaces.
14 April 2023
256.
Conference on Geometry and Statistics (CMSA, Harvard):
Geometric central limit theorems on non-smooth spaces.
28 February 2023
255.
Institute for Defense Analysis (IDA CCR, Princeton):
Geometric central limit theorems on non-smooth spaces.
15 December 2022
254.
Persistence, Sheaves, and Homotopy Theory (PSHT online):
Concrete representatives for multiparameter derived sheaves.
8 November 2022
253.
UNC Greensboro (Colloquium):
Geometric central limit theorems on non-smooth spaces.
7 September 2022
252.
Universität Göttingen (Oberseminar):
Central limit theorems on non-smooth spaces.
3 August 2022
251.
Seattle, WA (Combin, Comput, and Appl Alg Geom):
Multigraded algebra: past, present, future.
1 July 2022
251.
St. John's, NL, Canada (CMS):
Homological algebra over partially ordered real vector spaces.
5 June 2022
(talk canceled due to covid protocol)
250.
Duke Math panel:
Networking & Collaborations.
13 April 2022
249.
New Mexico State U. (Colloquium; virtual):
Polynomials with real exponents.
1 April 2022
248.
Purdue U (AMS – online):
Computation of persistent homology with real parameters.
26 March 2022
247.
Texas A&M (SIAM AG plenary):
Computational algebra and geometry of multipersistence.
19 August 2021
246.
Tehran, Iran (IPM Commutative Algebra):
Multigraded algebra over polynomial rings with real exponents.
29 July 2021
245.
Leiden, Netherlands (Lorentz: Metrics in Multiparameter Persistence):
Endpoints for multiparameter persistence.
22 July 2021
244.
Berkeley, CA
(MSRI: Topological insights in Neuroscience):
Persistent homology with multiple parameters.
11 May 2021
243.
U. Chicago
(TDA
@ IMSI):
Endpoints for multiparameter persistence.
30 April 2021
242.
U Talca, Chile (Colloquium):
Algebra over polynomial rings with real exponents.
3 December 2020
241.
IIT Bombay (Facets of CACAAG):
Minimal resolutions of monomial ideals.
3 December 2020
240.
Leipzig, Germany (NAS online):
Non-integer multigraded algebra.
17 November 2020
239.
El Paso (AMS – online):
Minimal resolutions of monomial ideals.
13 September 2020
238.
Halifax, NS (Combin Alg meets Alg Combin):
Minimal resolutions of monomial ideals.
25 January 2020
237.
Toulouse, France (IMT Geometric Stat, 5 lecture hours):
(i) Stratified spaces; (ii) Behavior of Fréchet means.
2–3 September 2019
236.
Oslo, Norway
(Evolvability):
Mathematics of phenotype variation.
17 August 2019
235.
Bern, Switzerland
(SIAM AG):
Primary distance for multipersistence.
11 July 2019
234.
Duke (SWiM, for high-school girls):
Topology for statistical analysis of brain artery images.
25 June 2019
233.
Duke (STEM for high-schoolers):
Topological brain statistics.
20 June 2019
232.
Quy Nhon, Vietnam (AMS-VMS):
Spanning trees and lattice paths for monomial resolutions.
10 June 2019
231.
Hanoi, Vietnam (IMH Colloquium):
Algebraic structures for topological summaries of data.
7 June 2019
230.
U. Chicago
(GDA @ Stevanovich): Primary distance for multipersistence.
22 May 2019
229. El Paso (SW Local Alg Meeting):
Multigraded algebra over polynomial rings with real exponents.
23 February 2019
228. U Texas El Paso
(Math Colloquium): Algebra for geometric data.
22 February 2019
227. Online (TDA @ IMA):
Real multiparameter persistent homology.
4 December 2018
226. CIMAT, Guanajuato, México (5th TDA School, 4.5 lecture hours):
Resolving persistent homology.
19-23 November 2018
225. CRM, Montréal (Alg. & Combin. at LaCIM):
Subword complexes as fibers of totally nonnegative parametrizations.
26 September 2018
224.
LaCIM, Montréal (CRM 50th, 3 lecture hours):
From
representations of quivers and posets to applied real commutative algebra.
17-21 September 2018
223.
Oaxaca, Mexico (BIRS-CMO):
What makes primary decomposition minimal?
6 August 2018
222.
U. Edinburgh (Colloquium):
Algebraic structures for topological summaries of data.
24 July 2018
221.
Duke (STEM for high-schoolers):
Topological brain statistics.
9 July 2018
220.
Rabat, Morocco (ICART):
Homological and geometric finiteness for real-exponent multigraded
commutative algebra.
3 July 2018
219.
Vienna, Austria (ATMCS8):
Real multiparameter persistent homology.
26 June 2018
218.
Ohio State (TRIPODS):
Real multiparameter persistent homology.
22 May 2018
217.
Boston (AMS):
Data structures for real multiparameter persistence modules.
22 April 2018
216.
UNC-Greensboro (Colloquium):
Algebra for geometric data.
13 April 2018
215.
Oberwolfach, Germany:
Stratified spaces, fly wings, and multiparameter persistent homology.
25 January 2018
214.
Ohio State (Young Mathematicians Conference):
Topology for statistical analysis of brain artery images.
12 August 2017
213.
Banff (BIRS):
What is a QR code?
1 August 2017
212.
Banff (BIRS):
What is a barcode for persistent homology with multiple parameters?
31 July 2017
211.
Montréal (Math Congress of the Americas):
Algebraic data structures for topological summaries.
27 July 2017
210.
Duke (SWiM, for high-school girls):
Topology for statistical analysis of brain artery images.
23 June 2017
209.
Toronto (CanaDAM):
Fruit fly wing veins as embedded planar graphs.
13 June 2017
208.
Max Planck, Leipzig (Algebra & the Sciences):
Algebra for topology in biology and statistics.
27 May 2017
207.
Florida State (Alg & Apps):
Algebraic data structures for topological summaries.
26 January 2017
206.
NC State (AMS):
Data structures for real multiparameter persistence.
12 November 2016
205.
U. Florida (Informatics Institute):
Lessons in topology from statistics of brain arteries.
10 November 2016
204.
U. Florida (Math Colloquium):
Algebraic data structures for topological summaries.
9 November 2016
203.
Columbus, Ohio (MBI):
Data structures for real multiparameter persistence.
12 September 2016
202.
Moieciu de Sus, Romania (EMS Summer School, 5 lecture hours):
Real applied multigraded commutative algebra.
18-24 August 2016
201.
Herstmonceux, England (Alg. Combin. & Group Actions):
Poset encodings of modules with actions of real cones.
14 July 2016
200.
Duke (SWiM, for high-school girls):
Topology for statistical analysis of brain artery images.
14 June 2016
199.
Cortona, Italy (Bruns 70th):
Homological algebra for real multigraded modules.
2 June 2016
198.
Albuquerque, NM (SIAM Imaging Science):
Effective algebra and geometry for images with varied topology.
24 May 2016
197.
U. Wisconsin (Applied Algebra Days 3):
Data structures for real multiparameter persistence.
1 May 2016
196.
U. Minnesota (Math Colloquium):
Interactions between topology, biology, and imaging.
3 December 2015
195.
U. Minnesota (Commutative Algebra):
Irreducible decomposition of binomial ideals.
3 December 2015
194.
NC State (Algebra & Combinatorics):
Multigraded modules from fruit flies.
23 November 2015
193.
Texas A&M (Algebra & Combinatorics):
Multigraded modules from fruit flies.
20 November 2015
192.
Texas A&M (Math Colloquium):
Lessons in topology from statistics of brain arteries.
19 November 2015
191.
Clemson (AG/NT + Applied Discrete Math):
Multigraded moduli from fruit flies.
3 November 2015
190.
SAMSI (Undergrad Workshop):
Topology for statistical analysis of brain artery images.
20 October 2015
189.
UNC-Greensboro (Helen Barton Lecture Series):
Persistent homology for biological images.
28 September 2015
188.
Oxford, UK:
Biological applications of persistent homology: interactions
with statistics, geometry, and algebra.
11 September 2015
187.
Osaka, Japan
(Trends in Gröbner bases):
Multigraded moduli from fruit flies via stratified space statistics.
7 July 2015
186.
U. Chicago
(Conference on Geometry & Data):
Persistent interactions between biology, topology, and statistics.
9 June 2015
185.
NC State (Grad Math Workshop):
Applying persistent homology to brain artery and vein imaging.
21 March 2015
184.
Duke (MathBio Colloquium):
Applying persistent homology to brain artery and vein imaging.
30 January 2015
183.
San Antonio (JMM):
Persistent homology analysis of brain artery trees
(short slides or
long slides).
11 January 2015
182.
Athens, GA (UGA Stat, fMRI group):
Applying persistent homology to brain artery and vein imaging
(slides here).
12 November 2014
181.
Oberwolfach, Germany:
Topological definition of sticky means in arbitrary metric spaces.
3 October 2014
180.
Winthrop U.:
Topology for statistical analysis of brain artery images.
27 June 2014
179.
Chicago, IL (Algebraic Statistics @ IIT):
Applying persistent homology to brain artery and vein imaging.
20 May 2014
178.
Green Hope High School (AP Stat classes):
Topology for statistical analysis of brain artery images.
15 May 2014
177.
Durham, NC (LDHD Transition @ SAMSI):
Topological analysis of geometrically stratified data.
12 May 2014
176.
Duke (Noyce Learning Conference):
Topology for statistical analysis of brain artery images.
11 April 2014
175.
Göttingen, Germany (Stochastics Colloquium):
Applying persistent homology to brain artery imaging.
10 March 2014
174.
Ulm, Germany (GPSD Section speaker):
Asymptotics of sampling from topologically stratified spaces.
4 March 2014
173.
Halifax, NS (Combin Alg meets Alg Combin):
Binomial irreducible decomposition.
25 January 2014
172.
Columbia, SC (CommAlg in the SE):
Binomial irreducible decomposition.
9 November 2013
171.
Philadelphia, PA (AMS):
Binomial irreducible decomposition.
12 October 2013
170.
Luminy, France (CIRM):
Binomial irreducible decomposition.
9 July 2013
169.
Boston, MA (Zelevinsky memorial):
How do quivers and stratifications apply to biology?
27 April 2013
168.
U. Arizona (math colloquium):
Geometric statistics on stratified spaces.
7 March 2013
167.
U. Arizona (Probability seminar):
Sticky central limit theorems at singularities.
6 March 2013
166.
UNC Chapel Hill (math colloquium):
Biological applications of geometric statistics on stratified spaces.
14 February 2013
165.
NC State (SUM Series):
Statistics without addition or division.
6 February 2013
164.
Berkeley, CA (MSRI):
Alexander duality and total positivity.
7 December 2012
163.
Sandbjerg, Denmark:
Geometry for samples of metric branched structures.
11 October 2012
162.
Duke Postdoc Services / School of Medicine panel:
NSF Funding from the Inside.
25 September 2012
161.
Ohio State Combinatorics:
Combinatorics and topology of fibers in total positivity.
25 May 2012
160.
Columbus, Ohio (MBI):
Sticky central limit theorems at singularities.
23 May 2012
159.
Duke Data Seminar:
Sticky central limit theorems at singularities.
24 April 2012
158.
Wake Forest (AMS):
Subword complexes and fibers of totally nonnegative parametrizations.
24 September 2011
157.
Prague, Czech Rep.:
Sticky central limit theorems at singularities.
15 August 2011
156.
Miami Beach (JSM):
Sticky central limit theorems at singularities.
4 August 2011
155.
MSRI:
How primary decomposition in commutative monoids is wrong.
9 June 2011
154.
SAMSI:
Stratified statistics for evolutionary biology.
30 April 2011
153.
Rice U. (TAGS):
Contractibility via subword complexes in the context of homogeneous spaces.
22-24 April 2011
152.
Duke (recruitment):
Geometric statistics: sampling from singular spaces.
26 March 2011
151.
Columbia, SC (CommAlg in the SE):
How primary decomposition in commutative monoids is wrong.
18-20 March 2011
150.
Georgia Southern (AMS meeting):
Sticky central limit theorems on polyhedral spaces.
12-13 March 2011
149.
George Mason math colloquium:
Unfolding polyhedra.
18 February 2011
148.
Oslo, Norway:
Statistics on data sampled from stratified spaces.
14 January 2011
147.
Duke MathBio colloquium:
Statistics on spaces of phylogenetic trees.
3 December 2010
146.
Duke Brown Bag seminar:
Combinatorics of phylogenetic trees.
2 December 2010
145.
Luminy, France:
Decompositions of commutative monoid congruences and binomial ideals.
2 November 2010
144.
İstanbul, Turkey (CIMPA-TÜBITAK):
Five lectures: Decompositions of monoids and binomial ideals.
18-21 September 2010
143.
NSA math colloquium:
Unfolding convex polyhedra.
16 July 2010
142.
Berkeley (AMS-SMM meeting):
Face rings of simplicial complexes with singularities.
3 June 2010
141.
MIT combinatorics seminar:
Lattice point methods for combinatorial games.
12 May 2010
140.
U. Maryland math colloquium:
Unfolding convex polyhedra.
7 May 2010
139.
Texas State (CombinaTexas):
Lattice point methods for combinatorial games.
24-25 April 2010
138.
George Mason (WCEIT):
Lattice point methods for combinatorial games.
19-20 March 2010
137.
Duke U. Algorithms:
Unfolding convex polyhedra.
8 February 2010
136.
Seville, Spain:
Eight lecture-hours: Primary decomposition of binomial ideals.
25-31 January 2010
135.
Duke U. Algebraic Geometry:
K-theory of toric varieties.
2 December 2009
134.
Duke U. (CTMS Retreat)
Biological and chemical applications of polyhedral geometry and algebra.
23 October 2009
133.
Raleigh, NC (SE Lie Theory):
Equivariant transversality and K-theoretic positivity.
9-11 October 2009
132.
NC State (SUM Series):
Unfolding polyhedra.
30 September 2009
131.
Duke U. Algebraic Geometry:
Combinatorics in cohomology of toric varieties.
23 September 2009
130.
Duke U. Algebraic Geometry:
What is a toric variety?
16 September 2009
129.
Halifax, Nova Scotia (Games-At-Dal):
Lattice games.
18-21 July 2009
-----.
(canceled due to political unrest) IPM Tehran, Iran:
Four lectures on binomial ideals.
20-30 June 2009
128.
Voss, Norway (Abel Symposium):
Combinatorial positivity via transversality in homogeneous spaces.
1-4 June 2009
127.
Oberwolfach, Germany:
Potential applications of commutative algebra to combinatorial game theory.
19-25 April 2009
126.
Raleigh, NC (AMS meeting):
Equivariant positivity via transversality in K-theory of G/P.
4-5 April 2009
125.
Raleigh, NC (AMS meeting):
Topological Cohen--Macaulay criteria for monomial ideals.
4-5 April 2009
124.
Raleigh, NC (AMS meeting):
Binomial ideals.
4-5 April 2009
123.
MSRI, Berkeley:
Equivariant transversality and K-theoretic positivity.
24 March 2009
122.
Thessaloniki, Greece:
Geometry of flags and permutations.
12 March 2009
121.
Thessaloniki, Greece:
Unfolding polyhedra.
11 March 2009
120.
Ioannina, Greece:
Unfolding polyhedra.
9 March 2009
119.
UNC Chapel Hill colloquium:
Positivity from transversality and transitivity
15 January 2009
118.
U. Minnesota math colloquium:
Transversality in homogeneous spaces.
11 December 2008
117.
U. Minnesota Schubert seminar:
Cohomology rings of flag and toric varieties.
Friday 3, 10, 17 October 2008
116.
U. Minnesota Combinatorics:
Topological Cohen-Macaulay criteria for monomial ideals.
Monday 29 September 2008
115.
Mangalia, Romania:
Cellular resolutions of multiplier ideals of sums.
31 May 2008
114.
U. Minnesota Combinatorics:
Combinatorics of Horn hypergeometric series.
22 April 2008
113.
UC San Diego:
Metric geometry and unfoldings of polyhedra.
21 February 2008
112.
U. Minnesota Junior Colloquium:
Unfolding convex polyhedra.
19 February 2008
111.
UT Austin:
Gröbner geometry of Schubert polynomials.
5 February 2008
110.
Duke U.:
Metric geometry and unfoldings of polyhedra.
31 January 2008
109.
American Institute of Mathematics, Palo Alto:
Nonoverlapping unfolding of polyhedra.
7 December 2007
108.
U. Minnesota Math Club:
Unfolding polyhedra.
25 October 2007
107.
Rutgers (AMS meeting):
Multiplier ideals of sums via cellular resolutions.
6 October 2007
106.
Medellín, Colombia (Coloquio Latinoamericano de Álgebra):
Hypergeometric series and toric algebra.
23-27 July 2007
105.
Tianjin, China (FPSAC plenary speaker):
Combinatorics of Horn hypergeometric series.
2-6 July 2007
104.
CRM Montreal, Canada:
A Kleiman-Bertini theorem for sheaf tensor products.
28 May - 1 June 2007
103.
CRM Montreal, Canada:
Five lecture-hours: Multivariate hypergeometric series and binomial ideals.
21-25 May 2007
102.
U. Nebraska math colloquium:
Unfolding polyhedra.
27 April 2007
101.
Kansas U. math colloquium:
Unfolding polyhedra.
26 April 2007
100.
Kansas U. Combinatorics:
Combinatorics of permutations from determinantal ideals.
25 April 2007
99.
U. Nebraska Algebra:
Multiplier ideals of sums via cellular resolutions.
23 April 2007
98.
Michigan Geom. Rep. Theory:
Overview of the Kazhdan-Lusztig conjecture via intersection cohomology.
11 April 2007
97.
Oberwolfach, Germany:
Cellular resolutions of multiplier ideals of sums.
2 February 2007
96.
Indiana U. math colloquium:
Combinatorics in convexity, cohomology, and complex analysis.
8 December 2006
95.
Purdue Algebraic Geometry:
Old mysteries about multivariate hypergeometric systems.
7 December 2006
94.
Northeastern GASC:
Horn hypergeometric systems and binomial D-modules.
9 November 2006
93.
MIT Combinatorics:
Hypergeometric series and binomial primary decomposition.
8 November 2006
92.
U. Michigan Algebraic Geometry:
Toric primary decomposition and hypergeometric series.
25 October 2006
91.
Cincinnati, Ohio (AMS meeting plenary speaker):
Unfolding polyhedra.
21-22 October 2006
90.
Ann Arbor, Michigan (Ohio State-UMichigan Alg. Geom. Workshop):
Binomial schemes.
14-15 October 2006
89.
Constanţa, Romania:
Nine lecture-hours: Multigraded commutative algebra.
25-30 September 2006
88.
Lincoln, Nebraska (IMMERSE program):
Three lecture-hours: Irreducible decomposition.
26-27 July 2006
87.
Snowbird, Utah:
Binomial D-modules and lattice point geometry.
10-16 June 2006
86.
Luminy, France:
Lattice basis ideals and Horn systems.
22-26 May 2006
85.
ITCEP Family Fun Fair (interactive middle & high school presentation):
Unfolding polyhedra.
25 March 2006
84.
U. Minnesota Combinatorics:
h-vectors of Gorenstein polytopes.
17 February 2006
83.
Oberwolfach, Germany:
Homological methods for hypergeometric families.
29 January - 4 February 2006
82.
Taichung, Taiwan (AMS-TMS):
Combinatorial positivity by degeneration.
14-18 December 2005
81.
Reed College math colloquium:
Unfolding polyhedra.
1 December 2005
80.
U. Washington Combinatorics:
Simplicial complexes whose facets are Young tableaux.
30 November 2005
79.
U. Washington math colloquium:
Unfolding polyhedra.
29 November 2005
78.
Eugene, OR (AMS meeting):
Duality of antidiagonals and pipe dreams.
12 November 2005
77.
MIT Combinatorics:
Tableau complexes.
2 November 2005
76.
Lincoln, NE (AMS meeting):
Encoding injective resolutions.
22 October 2005
75.
UNAM, Mexico City:
Three lectures on Gröbner geometry of quiver polynomials.
19-23 September 2005
74.
Seattle (Algebraic Geometry Warmup Week):
Combinatorial positivity in algebraic geometry.
22 July 2005
73.
Lisbon, Portugal (workshop on D-modules):
Homological methods for hypergeometric families.
13 July 2005
72.
Snowbird, Utah:
Three lectures on local cohomology in combinatorics.
19-28 June 2005
71.
U. Texas, Austin math colloquium:
Combinatorics in cohomology and convexity.
22 March 2005
70.
UC Berkeley Rep. theory/geom/combin:
Families of hypergeometric systems.
23 February 2005
69.
U. Minnesota Combinatorics:
Stanley's simplicial poset conjecture.
4 February 2005
68.
Columbia U. math colloquium:
Combinatorics from geometry.
20 January 2005
67.
Michigan Combinatorics:
Unfolding polytopes.
24 September 2004
66.
Michigan State Colloquium:
Combinatorial positivity by geometric degeneration.
23 September 2004
65.
RIMS, Kyoto:
Three lectures on Gröbner geometry of quiver polynomials.
11 - 13 August 2004
64.
IAS/PCMI, Utah:
Overview of geometric combinatorics, II.
12 July 2004
63.
ICTP, Trieste:
Four lectures on combinatorial commutative algebra.
31 May - 4 June 2004
62.
Durham, NC (Duke Math Journal conference):
Combinatorial positivity by geometric degeneration.
23 April 2004
61.
Michigan Noncommutative algebra:
Homological methods for hypergeometric families.
16 March 2004
60.
Minnesota Geometry:
Gelfand-Tsetlin patterns via toric degeneration of flag manifolds.
February 2004
59.
Binghamton, NY (AMS meeting):
Unfolding convex polyhedral manifolds.
October 2003
58.
Seville, Spain (AMS-RSME):
Positive combinatorial formulae for quiver polynomials.
19 June 2003
57.
Germany (MEGA):
Algorithms for graded injective resolutions and local cohomology over
semigroup rings.
14 June 2003
56.
UC Davis Combinatorics:
Combinatorics of quiver polynomials.
24 April 2003
55.
Stanford (Western Alg.Geom. Seminar):
Combinatorial positivity of universal formulae in cohomology.
20 April 2003
54.
Banff, Canada:
Positive combinatorial formulas for quiver polynomials.
5 May 2003
53.
Oberwolfach, Germany (Topological Combinatorics workshop):
Unfolding polyhedra.
April 2003
52.
Banff, Canada:
Minors in products of matrices.
1 April 2003
51.
Northeastern Algebra:
Quiver polynomials and Schubert varieties.
March 2003
50.
MIT Combinatorics:
Combinatorics of quiver polynomials.
March 2003
49.
Davis, CA (BADMath Day):
Unfolding polyhedra in many dimenions.
1 March 2003
48.
UC Berkeley colloquium:
Combinatorial positivity by geometric degeneration.
27 February 2003
47.
Michigan Algebraic geometry:
Positive formulae for quiver polynomials.
January 2003
46.
Texas Tech (Red Raider Mini-Symposium):
Combinatorial positivity by orbit degeneration.
November 2002
45.
Northeastern U. (AMS meeting):
Positivity of quiver cycles via deformation.
October 2002
44.
Berkeley, CA (MSRI Workshop on Commutative Algebra):
Positivity via Gröbner degeneration.
October 2002
43.
Michigan Combinatorics:
Gröbner geometry of Schubert polynomials.
September 2002
42.
MSRI Introductory workshop:
Hilbert schemes of points in the plane.
September 2002
41.
Melbourne, Australia (FPSAC); 1 hour lecture:
Gröbner geometry of Schubert polynomials.
July 2002
40.
Levico, Italy:
Gröbner geometry of Schubert polynomials via determinantal ideals.
June 2002
39.
Albany colloquium:
Determinants, permutations, and flags.
April 2002
38.
Columbia Algebraic Geometry:
Gröbner geometry of flag varieties.
15 March 2002
37.
U. Michigan Combinatorics:
Subword complexes in Coxeter groups.
March 2002
36.
University of Minnesota Combinatorics:
Words and subwords in symmetric groups.
February 2002
35.
San Diego (Joint meetings, AMS-MAA):
Determinantal ideals and combinatorics of Schubert polynomials.
January 2002
34.
Cornell Algebra:
Determinantal ideals and the combinatorics of Schubert polynomials.
October 2001
33.
George Washington U. Algebra:
Embedding planar graphs in staircases to resolve monomial ideals.
September 2001
32.
George Washington U. colloquium:
Geometry and combinatorics of flag manifolds via Gröbner bases.
September 2001
31.
Morelia, Mexico (AMS-SMM meeting):
Embedding planar graphs in staircases.
May 2001
30.
UC Berkeley:
Planar graphs in 3-dimensional staircases.
May 2001
29.
Harvard-MIT Algebraic Geometry:
An open problem on determinantal loci.
24 April 2001
28.
MIT: Subword complexes in Coxeter groups and applications to Schubert varieties.
16 February 2001
27.
UMass Amherst (Valley Geometry Seminar):
Gröbner geometry of formulae for Schubert polynomials.
November 2000
26.
MIT: Gröbner geometry of formulae for Schubert polynomials.
September 2000
25.
Toronto (AMS meeting):
Gröbner geometry of formulae for (double) Schubert polynomials.
September 2000
24.
UC Berkeley workshop:
Haiman's proof of the n! conjecture.
August 2000
23.
UC Berkeley Algebra:
Gröbner bases for determinantal ideals and K-theory of flag manifolds.
May 2000
22.
Brown University:
Monomial ideals and duality.
January 2000
21.
Guanajuato, Mexico (CIMAT):
The Cech hull.
December 1999
20.
New Mexico State U. colloquium:
The Alexander duality functors.
November 1999
19.
New Mexico State U. Monomial ideals seminar:
Injective resolutions.
November 1999
18.
U. Utah (AMS Special Session):
The Alexander duality functors.
September 1999
17.
UC Berkeley Algebra:
Projective dimension versus support-regularity.
September 1999
16.
U. Kansas colloquium:
Resolutions of monomial ideals.
September 1999
15.
U. Kansas Algebra seminar:
The canonical Cech complex.
September 1999
14.
Essen, Germany:
Alexander duality and local duality with monomial support.
June 1999
13.
Reed College colloquium:
Algebra and topology with alphabet blocks.
February 1999
12.
UC Berkeley Grad Student Seminar:
Combinatorial commutative algebra.
February 1999
11.
UC Berkeley:
Generic and cogeneric monomial ideals.
February 1999
10.
U. Michigan:
Cellular homology and duality in the study of monomial ideals.
September 1998
9.
MIT: Alexander duality for monomial ideals and their resolutions.
September 1998
8.
MSRI Summer Program:
Three lectures on Alexander duality.
August 1998
7.
UC Berkeley:
The cohull resolution.
August 1998
6.
RIMS, Kyoto:
Alexander duality for arbitrary monomial ideals.
April 1998
5.
UC Berkeley Algebra:
Degrees on graded modules.
May 1997
4.
Rutgers U. Algebra:
Characterization of multiplicity functions of ideals.
March 1997
3.
UC Berkeley Abelian Varieties:
Multiplying points on group schemes.
November 1996
2.
UC Berkeley Grad Student Seminar:
Where is the geometry in schemes?
October 1996
1.
MSRI Summer Program:
Gröbner bases over PIDs.
July 1996
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