2010
Distinguished Visiting Professor at Bucknell
University, Lewisburg, PA,
April 19  23,
2010
Colloquium Talk:
The Dynamics of Linear Operators
Seminar Talk:
The Dynamics of Linear Operators II
Functional Analysis
Valencia 2010 at University of Valencia, Spain,
June 7  11, 2010
On the Occasion of the
80th Birthday of Professor Manuel Valdivia
Invited Speaker
at the Special Session on Linear Dynamics
Title: nWeakly Hypercyclic and nWeakly
Supercyclic Operators
AMS Sectional Meeting at
University of Richmond, November 67, 2010
Invited Speaker  Title:
nWeakly Hypercyclic
Operators
2009
Joint AMSMAA
Meeting at Washington DC, January 8, 2009
Title:
Hypercyclic Operators with a
Prescribed Spectrum
Distinguished
Visiting Professor at Bucknell
University, Lewisburg, PA
April 6
 10, 2009
Colloquium
Talk: A
unified approach to some major theorems in
topology.
Student
Talk: Which
line best approximates a function?
2008
SEAM XXIV at
Vanderbilt University, March 58, 2008
Title: Somewhere Dense
Orbits of Tuples of Operators
Invited
Speaker at the 5th Advanced Course in Operator
Theory and Complex Analysis in Sevilla, Spain, June
2426, 2008
Title: Hypercyclic
Operators with Prescribed Spectrum
Colloquium
Talk at Universitat Politecnica de Valencia,
Valencia Spain, June 2627, 2008
Title: Inverse Limits of Hypercyclic Operators
Analysis
Seminar, George Washington University, Sept. 29,
2008
Title: Invariant Subspaces in
the Hardy Space of the Slit Disk
2007
Colloquium
Talk at
University of Richmond, February 19, 2007
Title: How far from normal
are you?
SEAM XXIII at
University of Richmond, March 911, 2007
Title: Invariant
Subspaces on the Slit Disk
AMS Sectional
Meeting at Tucson, Arizona, April 2122, 2007
Title: Invariant
Subspaces on the Slit Disk
2006
Distinguished
Visiting Professor at Bucknell
University, Lewisburg, PA, Feb. 12  18, 2006
Colloquium
Talk: How
far from normal are
you?
Seminar
Talk: The
distance to the normal matrices: Part II
SEAM XXII at
University of Florida, Gainesville, March 15,
2006
Title: Hypercyclic
Pairs of Operators
GPOTS  Great
Plains Operator Theory Symposium at University of
Iowa, May 2428, 2006
Featured
Speaker, Title: Subnormality & C*algebras
Oberwolfach, Germany, MiniConference
on "Hypercyclicity
and Linear Chaos", August 1319, 2006
Title: Hypercyclic Tuples of Operators
2005
VOTCAM at University of
Richmond, Richmond, VA February 5, 2005
Title: Subnormal
Generators
of C*algebras and Spectral Pictures of Toeplitz Operators
Organizer of SEAM XXI
held at Washington & Lee University,
Lexington, VA, April 89, 2005
Distinguished Visiting Professor at
Bucknell University,
Lewisburg, PA, May 1  7, 2005
Colloquium
Talk: Special Generators
of C*algebras I
Seminar
Talk: Special Generators
of C*algebras II
Oberwolfach,
Germany, MiniConference on "Operators on
Spaces of Analytic Functions", August
1420, 2005
Title:
Interpolating Measures for Subnormal Operators
Colloquium at Washington
& Lee University, September 22, 2005
Title:
Oberwolfach &
Generalized Eigenvectors
2004
SEAM XX at University of
Alabama, Tuscaloosa, March 2627, 2004
Title: Subnormal
generators of C*algebras
Distinguished
Visiting Professor at Bucknell
University, Lewisburg, PA, May 10  14, 2004
Colloquium
Talk: Linear Operators and
Generalized Eigenvectors
2003
SEAM XIX at
University of Tennessee, Knoxville, March 21  23,
2003
Title: Exotic Orbits for
Linear Operators
Distinguished Visiting Professor at Bucknell
University, Lewisburg, PA
April 14  18, 2003
Colloquium Talk:
Understanding the real parts of Calculus
through the imaginary parts
Seminar Talk:
The C*algebra generated by a subnormal
operator
Colloquium at
Washington & Lee University, April 24, 2003
Title: Dynamics of Linear Operators
YAMS at Furman
University, Greenville, SC July 8  12, 2003,
Invited Speaker
Title:
The Fredholm Index
of Toeplitz
Operators with Continuous Symbols
2002
SEAM XVIII at
University of North Carolina, Chapel Hill, March
15  17, 2002
Title: Spectral
Picture's of Irreducible Subnormal Operators
Analysis
Seminar at Washington & Lee University, May
21, 2002
Title:
Orbits of Linear Operators
VOTCAM at
University of Richmond, Richmond, VA September 12,
2002
Title:
Generalized Eigenvectors and Interpolating
Measures for Subnormal Operators
2001
SEAM XVII at
University of Georgia, Athens, GA, March 23, 2001
Title:
Somewhere Dense Orbits are Everywhere Dense
YAMS at Furman
University, Greenville, SC, July 1014, 2001, 30
min., Invited Speaker
Title:
The Dynamics of Cosubnormal
Operators
Distinguished
Visiting
Professor at Bucknell University, Lewisburg,
PA
Sept. 37, 2001
Colloquium Talk:
Dynamics and Chaos
Seminar Talk:
The Dynamics of Linear Operators
Wabash Modern
Analysis Miniconference
at Indiana Univ., Sept. 89, 2001
Title:
Countably Hypercyclic Operators
Analysis
Seminar, University of Tennessee, Knoxville, Oct.
1, 2001
Title:
The Dynamics of Linear Operators
Trends in Banach Spaces and Operator
Theory at Univ. of Memphis, Oct. 59, 2001
Title: Orbits of Linear Operators
2000
SEAM XVI at
University of Virginia, March 1718, 2000
Title:
Hypercyclic and Supercyclic Cohyponormal Operators
Analysis
Seminar at Univ. of Virginia, April 11, 2000
Title: The Cyclic behavior of Cosubnormal Operators
Wabash Modern
Analysis Miniconference
at Indianapolis, October 1415, 2000
Title: Hyponormal Operators with Hypercyclic
or Supercyclic Adjoints
Colloquium at
Brigham Young University, November 20, 2000
Title:
The Dynamics of Linear Operators
1999
Joint AMSMAA
Meeting at San Antonio, TX January 1316, 1999
Title:
Pure
Subnormal Operators have Cyclic Adjoints
Colloquium
at University of Pittsburgh, January 22, 1999
Title: Cyclic Subnormal Operators and Trace
Estimates
Colloquium
at Washington & Lee University, February 8,
1999
Title: The Most Important Matrix
Colloquium
at University of California, Riverside, February
12, 1999
Title: Pure Subnormal Operators have Cyclic Adjoints
Analysis
Seminar at Wayne State University, March 30, 1999
Title: Pure Subnormal Operators have Cyclic Adjoints
Colloquium
at Bowling Green State University, April 12, 1999
Title: Pure Subnormal Operators have Cyclic Adjoints
SEAM
XV at Vanderbilt University, May 2023, 1999
Title: Subnormal Operators with Hypercyclic Adjoints
Colloquium
at Mississippi State University, November 5, 1999
Title:
Hypercyclic and Supercyclic Cosubnormal Operators
1998
AMS Sectional
Meeting at Kansas State Univ., March 2728, 1998
Title:When is zero an eigenvalue
for the selfcommutator
of a subnormal operator?
Colloquium
at Michigan State University, April 16, 1998
Title: Subnormal Operators and C* algebras
GPOTS
 Great Plains Operator Theory Symposium at Kansas
State, May 2731,
1998
Title: Pure Subnormal Operators have Cyclic Adjoints
Canadian
Math. Soc. Summer Meeting at Univ. of New
Brunswick, St. Johns
June 1315, 1998, 25 min.
Invited Speaker
Title: Pure Subnormal Operators have Cyclic Adjoints
Wabash
Modern Analysis Miniconference
at Indianapolis, October 1011, 1998
Title: Pure Subnormal Operators have Cyclic Adjoints
1997
Analysis
Seminar at Virginia Tech, Blacksburg Va., Jan. 20,
1997, Invited
Speaker
Title:
The
SelfCommutator of a
Subnormal Operator
SEAM
XIII at Gainesville, Florida, March 1416, 1997,
20 min.
Title: The BergerShaw Theorem for Cyclic
Subnormal Operators
Wabash
Modern Analysis Miniconference
at Indianapolis, Sept. 2021 1997, 20 min.
Title: Essentially Subnormal Operators
Analysis
Seminar at Univ. of Michigan, Ann Arbor, Nov. 11,
1997, Invited Speaker
Title: Subnormal Operators and Pseudocontinuations
1996
Young Analysts
Meeting of the Southeast (YAMS 2) at Maggie
Valley, NC, November 910, 1996, 50 min. Invited
Speaker
Title:
The
SelfCommutator of a
Subnormal Operator
1995
South Eastern
Analysis Meeting (SEAM XI) at Georgia Tech., March
35, 1995, 20 min.
Title:
On
the failure of spectral mapping theorems for
subnormal operators
Workshop
on Holomorphic Spaces at MSRI, October 1620,
1995, 25 min.
Title: Integrability of Hardy space functions and pointwise multipliers of
the Hardy space into the Bergman space
