A connected matching in a graph is a set of disjoint edges such that, for any pair of these edges, there is another edge of the graph incident to both of them. This dissertation investigates two problems related to finding large connected matchings...
The field of graph theory has been indubitably influenced by the study of planar graphs. This thesis, consisting of five chapters, is a historical account of the origins and development of concepts pertaining to planar graphs and their...
Rising environmental concerns due to our rising population ad energy demand along with our excessive dependence on fossil fuels has created an urgent need to find clean, renewable and carbon free source of energy. Photoelectrochemical (PEC) water...
CDCIWHO only "recommends" that rings be removed under gloves because of cross-contamination between health care workers and patients. Microbiological samples of oral streptococci beneath rings and between fingers under non-sterile exam...
High dynamic range imaging involves imaging at a bit depth higher than the typical 8-12 bits offered by standard video equipment. We propose a method of imaging a scene at high dynamic range, 14+ bits, to detect motion correlated with changes in...
Dancers take to the floor as a band plays. The musicians play trombone, tuba, piano, drum, and possibly an oboe. Tables surround the dance floor on three sides and show evidence of beer and wine drinks. The edges of the open air room are walls of...
Address: 328 W. Market Street, Louisville, Kentucky. A series of pendant lights hang above a u-shaped glass counter full of jewelry. The counter has numerous bouquets of flowers on it. Around the edges of the room are dark wood shelves filled with...
Automobile service stations; Buildings; Transportation; Brick wall signs; Signs (Notices)
A Gulf service station sits at the corner of a street which is likely located in downtown Louisville, Kentucky. The lot has two tall lampposts with five white globes. Fuel pumps sit by a small brick building with terra cotta roof tiles. Cars are...
Wood and rope fences line a stretch of road approximately one half mile from Middletown, Kentucky. Utility lines and bushes are on the edges of the road as is an automobile. The road goes over a bridge with stone or concrete railings. A plaque is...
A gravel or dirt road goes over a stone or concrete bridge approximately one half mile from Middletown, Kentucky. A plaque on the bridge support reads, "Erected by Jefferson County Fiscal Court / 1922." On the opposite support beam is a...
Snow edges the roofs of homes, businesses and a church. Water covers the streets and encroaches on the buildings. The water reaches the porch of some homes and for others it is almost to the roofline. This image is likely from downtown or western...
African Americans; Children; Pianos; Students; Teachers; Religious facilities; Sunday schools; People
A crowd of people, mostly African American children, attend Sunday school in a classroom containing a row of chairs. An African American man in a suit stands by a podium and may be the minister. Two white women and a boy stand or play at the piano...
A placid river cuts diagonally across the left part of the photograph, with large bare trees growing close to the river and leaning inward on either side of the river. A fence also edges the left bank, and at a greater distance on the right is a...
Brick building with white pillars and ornate white embellished edges, erected on Model Street at the World's Fair in St. Louis, Missouri. "1904 Kansas City Casino" is carved at the top under a row of flags on the roof. Handwritten at the...
View north: vehicles near underpass, Southern Railway, at Preston Street near Audubon Park, Louisville, Kentucky. A bus and a car pass under an underpass. To their left is a billboard with a beer advertisement showing a man with two steins of beer...
Southern Railway (U.S.); Railroad companies; Streets; Street railroads; Bridges
A streetcar track and a road at Southern Railway underpass at Preston Street near Audubon Park, Louisville, Kentucky. Streetcar pictured behind the bridge is a southbound 800 Series car heading for Coke's Station, Southern Railway, Louisville,...
Southern Railway (U.S.); Railroad companies; Streets; Bridges; Children
Policeman guarding children at Southern Railway, at Preston Street near Audubon Park, Louisville, Kentucky. A policeman stands with five children at the left side of a road under a bridge, and one boy is on the right side of the road with a...
Portrait of Jefferson Circuit Court Judge Lafon Allen, of Louisville, Kentucky, wearing a suit jacket, vest, and tie. The photograph is damaged along the edges and marked with discolorations. Stamped on bottom, front of image: (credit) Cusick...
Portrait of Jefferson Circuit Court Judge Lafon Allen, of Louisville, Kentucky, wearing a suit jacket, vest, and tie. The photograph is damaged around the edges from age. Stamped on back of image: September 26, 1923.
Portrait of Colonel Brent Arnold, Jr. of Louisville, Kentucky, wearing a bowler hat and holding a cane. The photograph has been cut in half and damaged along the edges. Handwritten on back of image: L&N Railroad. Stamped on back: January 15,...
