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Professor Emeritus, Dept. of Mathematics & Statistics

Skidmore College

**(Former) OFFICE: *Billie Tisch Center for Integrated Sciences 340C***

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***To reach me:***
	Office: NA Cell: 518-225-0635
	dvella@skidmore.edu

OFFICE HOURS for Spring, 2024, my final semester teaching:

Monday 2:30 - 3:25 PM,
Wednesday, 11:40 AM - 12:30 PM,
Friday 11:40 AM - 12:30 AM,
and by appointment.

My schedule for Spring, 2024, my final semester.

Ph.D. in Mathematics (Specialty: Representations of Algebraic Groups) from the University of Virginia (UVA), Charlottesville, VA, 1983
Dissertation Advisor: Brian Parshall
- BA in Mathematics (Minor: Chemistry ) from American International College (AIC), Springfield, MA, 1976

PREVIOUS POSITIONS:

Skidmore College (Saratoga Springs, NY):
- Mathematics and Statistics Dept., Associate Chair, 1/1/19 - 12/31/2020
- Mathematics and Statistics Dept. Chair, 10/1/2017 - 12/31/2018
- Mathematics Dept. Chair, 3/1/2016 - 10/1/2017
- Mathematics and Computer Science Dept. Chair, 7/1/2014 - 2/28/2016
- Professor Emeritus, 6/2024 - present
- Professor, 2008 - 5/24/2024

Union College (Schenectady, NY), Mellon Visiting Scholar, Fall, 2005.

Bowdoin College (Brunswick, ME), Visiting Assistant Professor, 1986 - 1988.

California Institute of Technology, CalTech (Pasadena, CA) Bantrell Research Fellow, 1984 - 1986.

University of Notre Dame (South Bend, IN), Visiting Assistant Professor, 1983 - 1984.

Local Mathematical Activities:

Mathematics Publications:

Includes links to download some (but not yet all) all them.

What I teach at Skidmore, with links to course pages for current courses.
Dept. of Mathematics
& Statistics
at Skidmore College.

I am available to deliver the following talks to your undergraduate math club or Dept. seminar:

Primary Decomposition in Boolean Rings

Words within Words - A Recursive Approach to the Catalan Numbers and Fine Numbers

Explicit Formulas for Bernoulli & Euler Numbers

Counting Irreducible Polynomials over Finite Fields

Symmetry, Group Actions, and Euclidean Geometry

and possibly other topics.

I was part of the Dialogue series at the new Tang Museum in Fall 2000.
HRUMC
Hudson River Undergraduate Mathematics Conference.

Where undergraduates and faculty interact as colleagues for a day.

Skidmore College
Problem Group.
We've had over 12 of our solutions published so far. [This website is currently under revision.]
CTY
Center for Talented Youth
A program for gifted students run by the Johns Hopkins University. I sometimes teach math in their summer program which takes place on the Skidmore campus and various other venues, such as the University of Hong Kong, where I taught during summer, 2018.
Mathematical Interests:

Right now it's just a list. Someday I hope to make it interactive and/or include links to more information about each topic.

My Erdos number is 4.

Other links of possible interest:

Pi Mu Epsilon - the national mathematics honor society.

I am a charter member of the New York Alpha Theta Chapter at Skidmore College.

MAA - the Mathematical Association of America

AMS - the American Mathematical Society

Skidmore College Honors Forum - I was the Director of the Honors Forum

(Fall, 2007 - Spring, 2011.)

- personal information

Last Revised: October 3, 2024

Mathematics Publications: Includes links to download some (but not yet all) all them.	What I teach at Skidmore, with links to course pages for current courses.	Dept. of Mathematics & Statistics at Skidmore College.
I am available to deliver the following talks to your undergraduate math club or Dept. seminar: *Primary Decomposition in Boolean Rings* *Words within Words - A Recursive Approach to the Catalan Numbers and Fine Numbers* *Explicit Formulas for Bernoulli & Euler Numbers* *Counting Irreducible Polynomials over Finite Fields* *Symmetry, Group Actions, and Euclidean Geometry* and possibly other topics.	I was part of the Dialogue series at the new Tang Museum in Fall 2000.	HRUMC Hudson River Undergraduate Mathematics Conference. Where undergraduates and faculty interact as colleagues for a day.
Skidmore College Problem Group. We've had over 12 of our solutions published so far. [This website is currently under revision.]	CTY Center for Talented Youth A program for gifted students run by the Johns Hopkins University. I sometimes teach math in their summer program which takes place on the Skidmore campus and various other venues, such as the University of Hong Kong, where I taught during summer, 2018.	Mathematical Interests: Right now it's just a list. Someday I hope to make it interactive and/or include links to more information about each topic. My Erdos number is 4.

Professor Emeritus, Dept. of Mathematics & Statistics

Skidmore College

(Former) OFFICE: Billie Tisch Center for Integrated Sciences 340C

OFFICE HOURS for Spring, 2024, my final semester teaching:

PREVIOUS POSITIONS:

**(Former) OFFICE: *Billie Tisch Center for Integrated Sciences 340C***