REACH - Time log for Gabriel D. Carroll, Fall 2002

9/24
15:00-17:00 meeting
9/26
15:00-17:00 meeting
9/29
10:00-10:30 investigating classroom reservations
10/1
12:45-13:00 working on homework
14:00-14:30 more homework
14:30-15:00 coding graphical production of random alternating-sign triangles
15:00-17:00 meeting
10/2
14:45-15:00 more triangle coding
16:00-16:30 finishing triangle coding; producing output
10/5
14:00-14:30 reading domino reciprocity article

Time these 2 weeks: 9:00

10/8
15:00-17:00 meeting
10/9
14:30-14:45 making inquiries about classrooms
10/10
14:00-14:15 reading bilinear/domino article
14:15-14:45 reading jim's comments on cube paper and catching up with david
15:00-17:00 meeting
10/11
11:20-11:35 playing with higher-dimensional octahedron recurrence
12:50-13:50 obtaining articles on domino tilings of squares
20:35-21:15 reading kasteleyn article
10/12
17:55-18:05 making triangular graph paper for grove investigations
18:05-18:45 drawing grove/matchings pictures

Time this week: 7:45
Total time: 16:45

10/13
11:50-12:20 more grove/matchings data
13:45-14:15 writing up laurentness test
21:40-21:55 reading kasteleyn
10/14
17:15-17:30 gathering existing information on snake graphs and discussing with inna
10/15
15:00-17:00 meeting
10/16
21:00-21:15 sending announcement of new location
21:15-23:30 planning grove presentation
10/17
14:45-15:00 planning presentation
15:00-17:00 meeting

Time this week: 8:15
Total time: 25:00

10/22
14:45-15:00 planning for presentation
15:00-17:00 meeting
10/24
14:30-15:00 reading rui's work on snakes and other material
15:00-17:00 meeting
17:00-17:45 teaching inna mathematica and exploring symmetrical groves
10/25
16:50-17:20 investigating symmetrical groves
17:25-17:55 editing report on grove presentation from tuesday's notes
10/26
23:00-23:20 more samples of matching/grove correspondence
23:20-23:30 writing email about symmetrical groves

Time this week: 7:00
Total time: 32:00

10/27
00:10-00:30 more general bilateral symmetry
17:00-18:30 discussing matching/grove correspondence and symmetries with inna
10/29
15:00-17:00 meeting
10/30
17:00-18:30 writing mathematica code to manipulate and draw groves
19:50-21:30 more mathematica coding
10/31
10:15-11:00 more coding
13:40-14:25 more coding
15:00-17:00 meeting
20:00-21:15 more coding

TOTAL TIME SEPT/OCT: 43:45

11/1
11:05-11:50 coding to check sufficiency of local moves
12:20-12:50 more local move coding
11/2
13:20-13:50 cleaning up code and making it public
17:00-17:15 writing email with thoughts about grove height functions

Time this week: 13:45
Total time: 45:45

11/5
13:30-14:00 producing examples of grove code
15:00-17:00 meeting
11/6
14:00-14:30 reading and answering sundry emails about height functions
11/7
11:30-12:00 thinking about different approaches to local-move problem
15:00-17:00 meeting
17:00-18:30 continuing to work on height functions and local moves
19:30-21:00 more height functions and local moves; looking with reid at analogies with domino generating functions

Time this week: 8:30
Total time: 54:15

11/12
10:20-11:50 coding computation of height (component) functions
12:15-13:00 coding display of differences in height functions
15:00-17:00 meeting
11/14
15:00-17:00 meeting
11/15
10:15-11:00 coding superimposition of groves on different initials

Time this week: 7:00
Total time: 61:15

11/17
12:00-12:30 logistics - email to prepare presentation and time summary
11/19
15:00-17:00 meeting
11/21
15:00-17:00 meeting

Time this week: 4:30
Total time: 65:45

11/24
10:25-10:40 cleaning out old papers
10:45-11:00 working on article
20:00-21:00 working on article
11/25
23:00-23:15 working on article
11/26
10:25-10:55 working on article
11:05-11:35 figuring out pine-cone construction
15:00-17:00 meeting
17:00-17:15 fiddling with grove code
11/30
00:00-01:00 working on article

Time this week: 6:00
Total time: 71:45

TOTAL TIME NOV: 28:00
TOTAL TIME SEPT-NOV: 71:45

12/1
20:30-21:45 working on article and checking status of other group members
12/3
10:55-12:10 working on article
15:00-17:00 meeting
12/4
14:40-14:55 kuo condensation experimenting

Time this week: 4:45
Total time: 76:30

12/8
15:45-16:00 timetable for finishing article
12/10
15:00-17:30 meeting and experimenting with kuo condensation
12/12
15:00-17:00 meeting

Time this week: 4:45
Total time: 81:15

12/15
16:15-17:00 working on article
12/16
23:05-00:50 working on article
12/17
15:00-17:00 meeting
12/18
14:30-15:15 working on article
16:05-17:50 coding symmetric groves
12/19
02:15-03:15 revising old grove code

Time this week: 8:00
Total time: 89:15

[time during vacation not logged]

1/2
19:00-20:00 counting alternating-sign triangles and multiplicities
1/3
14:00-16:00 studying nexus locations
16:00-16:15 writing status report

Time this week: 3:15
Total time: 92:30

1/5
22:00-00:00 experimenting with nexus locations and symmetric groves
1/7
15:00-17:00 meeting - discussing crosses-and-wrenches and pine-cone algorithms with Ananda
1/8
16:30-17:10 reading pachter article
17:15-17:35 playing with pachter regions and holey squares
1/9
10:00-11:00 reading cohn article
11:15-12:30 playing with numbers of tilings modulo 3
15:15-17:00 meeting - more crosses-and-wrenches experimentation
17:00-18:00 more mod-3 experimentation 
1/10
12:15-13:00 writing semester summary
14:30-14:50 asking other people about status
15:55-16:20 thinking about how much information is needed to determine a grove uniquely

Time this week: 11:30
Total time: 104:00

1/14
15:15-16:00 meeting - more crosses-and-wrenches stuff

Time this week: 00:45
Total time: 104:45
TOTAL TIME FIRST HALF OF JAN: 15:30

1/21
15:15-16:00 meeting - discussing groves, height functions, local moves
1/23
10:20-11:20 reading tomei article and reporting
15:00-17:15 meeting - making updates to grove code
1/24
20:30-21:45 reading tile homotopy article
1/25
11:30-13:00 reading tile homotopy article
22:40-23:10 working on code to generate large random groves

Time this week: 7:15
Total time: 112:00

*** END OF SEMESTER ***

1/28
10:50-12:05 reading homotopy article and typing up comments
15:00-17:00 meeting - more dealing with code
1/30
15:00-16:00 meeting - explaining some background to newcomers and discussing upcoming projects

Time this week: 4:15
Total time: 4:15

2/3
15:10-15:55 more updating code
2/4
15:00-17:00 meeting
2/5
15:30-17:15 meeting

Time this week: 4:30
Total time: 8:45

2/11
14:45-15:00 working on homework problem
15:00-17:00 meeting
2/12
13:30-14:00 searching for liftings of (a,b) recurrence
15:25-16:55 more lifting experimentation and writing up findings
2/13
15:00-17:00 meeting

Time this week: 6:15
Total time: 15:00

2/18
23:30-23:45 correcting minutes (as per jim's email)
2/20
15:00-17:00 meeting
17:00-18:00 experimenting with liftings of (a,b) recurrence to pairs (v,n), where v is a vertex of a fixed graph and n is an integer
2/21
07:30-08:15 thinking about liftings of (a,b) to graphs
18:00-19:00 calculating liftings to the free graph

Time this week: 5:00
Total time: 20:00

2/24
16:30-17:00 experimenting with free graph liftings
19:30-21:00 writing up thoughts about graph recurrences and emailing the group
2/25
14:45-15:00 reading projects list
15:00-17:00 meeting
17:15-18:00 working on the ptolemy recurrence
2/27
15:15-17:15 meeting
2/28
13:00-13:15 reading greg's work on ptolemy recurrence and responding
3/1
15:45-20:05 working on the ptolemy recurrence
20:05-20:30 blogging

Time this week: 8:00
Total time: 28:00

3/2
00:00-00:30 experimenting with ptolemy-kuo condensation
3/4
15:00-17:00 meeting

Time this week: 2:30
Total time: 30:30

3/11
16:00-17:00 meeting
3/13
15:00-16:00 meeting

Time this week: 2:00
Total time: 32:30

3/18
15:00-17:00 meeting
17:00-17:15 writing up results on ptolemy recurrence
3/20
15:00-16:00 meeting - discussing markov and ptolemy with ian and andy
22:15-22:45 showing ian how to set up a website
22:55-23:40 experimenting with markov numbers and farey fractions

Time this week: 4:30
Total time: 37:00

3/26
14:30-15:45 doing library research on markov numbers
18:45-19:00 looking at jim's first post to bilinear
3/28
10:55-12:40 writing up thoughts so far on markov, ptolemy, and farey
15:30-17:30 experimenting with markov/farey correspondence
3/29
10:45-11:00 experimenting with continued fractions and numerator uniqueness
13:30-14:00 writing plan for structuring various papers
14:45-15:30 assembling lists of references for online (cecilia) and offline (trevor) collections

Time this week: 6:45
Total time: 43:45

3/30
09:45-10:00 assorted library research
15:00-15:15 writing update email
17:30-18:00 writing down bijection from matchings to paths in triangulated polygons
3/31
12:15-12:30 library research
13:35-13:50 reading conway and coxeter article

TOTAL TIME JAN-MAR: 45:15

4/1
15:00-17:00 meeting - discussing ptolemy article and grove code
4/3
15:00-16:15 meeting - discussing markov, farey, and continued fractions
4/5
16:00-16:15 updating progress report on markov and farey
16:30-17:30 performing some experiments on graph-indexed recurrences and updating musings file accordingly

Time this week: 6:00
Total time: 49:45

4/8
15:00-17:00 meeting - dicussing grove code and generating function asymptotics, and working on graph recurrences
4/10
10:35-11:20 thinking about graph recurrences and reading gregg's conjecture on the (1,4)-sequence
15:00-16:30 meeting - working on graph-recurrence stuff
4/12
15:15-15:45 reading conway and coxeter article
17:30-18:15 reading delta-wye article

Time this week: 5:30
Total time: 55:15

4/13
10:45-11:00 looking for any other mention of delta-wye reduction
11:00-11:30 more playing with graph recurrences and gregg's (1,4) graphs
12:00-12:45 library research on delta-wye reduction and on frieze patterns
4/14
16:10-16:40 talking to dylan about ptolemy recurrence
19:30-20:30 writing ptolemy paper
23:30-00:30 writing ptolemy paper
4/15
17:15-17:30 library - checking graph-theoretical terminology
17:45-18:30 writing ptolemy paper
19:30-20:15 writing ptolemy paper
21:10-22:10 writing ptolemy paper
4/16
09:15-10:15 writing ptolemy paper
10:30-10:45 writing ptolemy paper
20:00-22:15 fixing hole in ptolemy paper
4/17
15:15-16:00 working on diagrams and answering david's comments

Time this week: 11:00
Total time: 66:15

4/22
15:00-16:00 meeting - random logistics
4/23
12:30-12:45 reading responses to graph-recurrence query on bilinear
18:15-18:45 looking for matching interpretations of double-graph recurrences
4/24
15:00-17:15 meeting - working on two-graph recurrence
4/26
12:15-12:40 looking for information on generalized versions of urban renewal
12:40-13:30 reading gregg's thesis
14:30-14:45 reading fomin and zelevinsky's definition and description of cluster algebras
17:30-18:00 more reading of gregg's thesis
19:30-20:30 reading fomin and zelevinsky paper

Time this week: 7:00
Total time: 73:15