Mp-small summands increase knot width

Scharlemann and Schultens have shown that for any pair of knots K_1 and K_2, w(K_1 # K_2) is greater than or equal to max{w(K_1),w(K_2)}. Scharlemann and Thompson have given a scheme for possible examples where equality holds. Using results of Scharlemann-Schultens, Rieck-Sedgwick and Thompson, it is shown that for K the connected sum of mp-small knots and K' any non-trivial knot, w(K # K')>w(K).Comment: Published by Algebraic and Geometric Topology at http://www.maths.warwick.ac.uk/agt/AGTVol4/agt-4-44.abs.htm

On the Equivalence of Cellular Automata and the Tile Assembly Model

In this paper, we explore relationships between two models of systems which are governed by only the local interactions of large collections of simple components: cellular automata (CA) and the abstract Tile Assembly Model (aTAM). While sharing several similarities, the models have fundamental differences, most notably the dynamic nature of CA (in which every cell location is allowed to change state an infinite number of times) versus the static nature of the aTAM (in which tiles are static components that can never change or be removed once they attach to a growing assembly). We work with 2-dimensional systems in both models, and for our results we first define what it means for CA systems to simulate aTAM systems, and then for aTAM systems to simulate CA systems. We use notions of simulate which are similar to those used in the study of intrinsic universality since they are in some sense strict, but also intuitively natural notions of simulation. We then demonstrate a particular nondeterministic CA which can be configured so that it can simulate any arbitrary aTAM system, and finally an aTAM tile set which can be configured so that it can be used to simulate any arbitrary nondeterministic CA system which begins with a finite initial configuration.Comment: In Proceedings MCU 2013, arXiv:1309.104

Exploring how nurse practitioners implement leadership and research

The original concept of the Nurse practitioner role was to expand nursing practice in order to provide high quality, accessible healthcare to patients. This placed NPs at the crux of changes to healthcare delivery. Implementing these changes requires leadership. Research demonstrates the effects of these changes to healthcare delivery and contributes healthcare knowledge from the nursing profession.https://ro.ecu.edu.au/ecuposters/1028/thumbnail.jp

Leadership and research activities of nurse practitioners: Ireland and Australia

Nurse practitioners (NP) are identified as the ideal conduit to transform healthcare delivery internationally. Healthcare transformation requires the application of leadership and research skills. The literature to date has limited information on NPs as leaders or researchers in the nursing profession.https://ro.ecu.edu.au/ecuposters/1031/thumbnail.jp

A survey identifying leadership and research activities among nurse practitioners

Background: Nurse Practitioners are identified as the ideal conduit to transform healthcare delivery internationally. Healthcare transformation requires the application of leadership and research skills. Current literature has limited information on NPs as leaders or researchers in the nursing profession. Objectives: Determine if Nurse Practitioners identify themselves as leaders in nursing. Identify the leadership and research activities and influencing characteristics of Nurse Practitioners in Ireland and Australia. Establish similarities in leadership and research activities between Nurse Practitioners in Ireland and Australia. To identify if there is a relationship between leadership and research activities. Design: A quantitative electronic survey. Methods: A survey instrument was developed by combining two previously validated instruments. Nurse Practitioners in Ireland or Australia that had practiced within the last five years, and members of the respective professional association were included. Descriptive statistics were used to describe the findings and explore relationships in the data. Results: 14% (n = 96) of Nurse Practitioners responded to the survey. Nurse Practitioners in Ireland and Australia identified themselves as leaders of the nursing profession. Nurse Practitioners work practices, leadership and research activities are similar in Ireland and Australia. The majority (n = 55, 57%), of participants reported being research active. There was an association between perceived leadership and research activities among participants. Conclusion: Nurse Practitioners in both Ireland and Australia identify themselves as leaders of the nursing profession. There is no difference in reported work practices, leadership or research activities of Nurse Practitioners in both Ireland and Australia. There is an association between perceived leadership and research activity. Impact Statement: Nurse Practitioners in Ireland and Australia perceived themselves as leaders in nursing and this perception increases with research activity

Nurse practitioners views on leadership and research

Nurs practitioners are clinical leaders focused on improving healthcare delivery for patient populations. The NP role is misunderstood. NPs lack confidence to be independently research ctive. Research by NPs requires support from nurses in academia. The NP role is similar in Ireland and Australiahttps://ro.ecu.edu.au/ecuposters/1029/thumbnail.jp