Results 31 to 40 of about 5,489,361 (292)

Remarks on time-energy uncertainty relations [PDF]

, 2002
Using a recent construction of observables characterizing the time of occurence of an effect in quantum theory, we present a rigorous derivation of the standard time-energy uncertainty relation.
Brunetti, Romeo, Fredenhagen, Klaus
core   +3 more sources

Space-Time Circuit-to-Hamiltonian Construction and Its Applications

, 2014
The circuit-to-Hamiltonian construction translates dynamics (a quantum circuit and its output) into statics (the groundstate of a circuit Hamiltonian) by explicitly defining a quantum register for a clock.
Breuckmann, Nikolas P., Terhal, Barbara M.   +1 more
core   +2 more sources

Principles of Discrete Time Mechanics: I. Particle Systems

, 1997
We discuss the principles to be used in the construction of discrete time classical and quantum mechanics as applied to point particle systems. In the classical theory this includes the concept of virtual path and the construction of system functions ...
Cadzow J A, George Jaroszkiewicz, Hashimoto T, Jaroszkiewicz G, Jaroszkiewicz G, Jaroszkiewicz G, Keith Norton, Klimek M, Lee T D, Logan J D, Maeda S, Streater R F, Yamamoto H   +12 more
core   +1 more source

The HIT Network for Children and Adolescents With CNS Tumors Facilitates Improvements of Diagnostic Assessments, Multimodal Treatments, Individual Counseling, and Research in Germany, Austria, and Switzerland

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background The HIT network was established in 2000 to create a population‐based structure aiming to improve survival rates and reduce late effects for children with central nervous system (CNS) tumors by conducting comprehensive clinical trials.
Stefan Rutkowski, Michael C. Frühwald, Gudrun Fleischhack, Stephan Tippelt, Pablo Hernáiz‐Driever, Olaf Witt, Astrid Gnekow, Christof Kramm, Matthias Eyrich, Johannes E. A. Wolf, Hermann Müller, Carsten Friedrich, Uwe R. Kordes, Denise Obrecht‐Sturm, Petra Ketteler, Barbara von Zezschwitz, Pascal Johann, Dominik Sturm, Karoline Nemes, Stefan Schönberger, Till Milde, Brigitte Bison, Monika Warmuth‐Metz, Torsten Pietsch, Ulrich Schüller, Arend Koch, David Capper, Martin Hasselblatt, Christian Thomas, Christian Hagel, Stefan M. Pfister, Felix Sahm, David T. W. Jones, Martin U. Schuhmann, Jürgen Krauss, Pedram Emami, Ahmed El Damaty, Rolf D. Kortmann, Rudolf Schwarz, Jürgen Debus, Mechthild Krause, Fabian Pohl, Holger Ottensmeier, Lisa Bußenius, Katja Baust, Andreas Faldum, Cecile Ronckers, Desiree Grabow, Martin Benesch, Thomas Perwein, Karin Dieckmann, Irene Slavc, Johannes Gojo, Nicolas U. Gerber, André O. von Bueren, Katrin Scheinemann, Gabriele Calaminus, Beate Timmermann, Ulrich‐Wilhelm Thomale, Martin Mynarek   +59 more
wiley   +1 more source

Controlling of Time-Overrun in Construction Projects in Iraq [PDF]

Engineering and Technology Journal, 2017
This paper is about analyzing time overrun in construction projects. The principle targets are centered on researching the causes, effects and strategies for controlling time over-run in development ventures in Iraq. The study has been accomplished based
T.A. Khaleel, I.Z. Hadi
doaj   +1 more source

Modeling the Effect of a Road Construction Project on Transportation System Performance [PDF]

, 2019
Road construction projects create physical changes on roads that result in capacity reduction and travel time escalation during the construction project period.
Kukkapalli, Venu M., Pulugurtha, Srinivas S.   +1 more
core   +2 more sources

Stressful Events Reported by Childhood Cancer Survivors and Community Controls From the St. Jude Lifetime (SJLIFE) Cohort: A Mixed Method Study

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Characterizing stressful events reported by childhood cancer survivors experienced throughout the lifespan may help improve trauma‐informed care relevant to the survivor experience. Methods Participants included 2552 survivors (54% female; 34 years of age) and 469 community controls (62% female; 33 years of age) from the St.
Megan E. Ware, Colter K. Clayton, Fang Wang, Sedigheh Mirzaei, Kyla Shelton, Tara M. Brinkman, Victoria Willard, Katianne M. Howard Sharp, Kevin Krull, Lindsay F. Schwartz, Melissa M. Hudson, Gregory T. Armstrong, Kirsten K. Ness, Rachel T. Webster   +13 more
wiley   +1 more source

Cost and Time Risk Management in Construction Projects

Tikrit Journal of Engineering Sciences, 2018
Identifying and evaluating the business risk (Cost and time overruns) management in construction projects to control and minimize such risk is the aim of this research.
Yousif Salam Saeed
doaj   +3 more sources

ANALYSIS OF THE EFFECT OF INDIRECT COSTS ON THE PERFORMANCE OF CONSTRUCTION PROJECT IMPLEMENTATION

Jurnal Pensil, 2023
The success of a construction project performance can be seen from the timeliness of completion of the implementation of work that has been agreed upon by the owner and contractor.
Ihsan
doaj   +1 more source

E-tendering in construction: time for a change? [PDF]

, 2009
E-tendering is one of the information technology tools that has been highlighted by construction industry experts to assist in changing the industry’s culture and improving its processes. However the emergence of e-tendering in construction in the UK has
Bardon, Andrew, Lavelle, Derek
core