Results 101 to 110 of about 157,651 (282)

Soil wetting and drying processes influence stone artefact distribution in clay‐rich soils: A case study from Middle Gidley Island in Murujuga, northwest Western Australia

open access: yesArchaeometry, EarlyView.
Abstract Soils that contain swelling clay minerals (e.g., montmorillonite) expand and contract during wetting and drying, causing movement within the soil profile. This process, known as argilliturbation, can alter artefact distributions, destroy stratigraphy and complicate the interpretation of archaeological deposits.
Caroline Mather   +11 more
wiley   +1 more source

U/Th Dating of Secondary Carbonate Deposits in Underground Galleries of Fourvière Hill (Lyon, France) Reveals a Water Supply System in Operation From the Roman Period to the Middle Ages

open access: yesArchaeometry, EarlyView.
ABSTRACT The recent discovery of a water draining structure known as the Antiquaille galleries in Fourvière hill, in the center of Lyon, France (ancient Lugdunum), sheds light on the water drainage system built by the former inhabitants of this area for their water needs.
E. Pons‐Branchu   +7 more
wiley   +1 more source

Ring‐Width Dendrochronology, Isotopic Dendrochronology and Radiocarbon Dating of Timbers From the Spire Scaffold of Salisbury Cathedral, Wiltshire, England

open access: yesArchaeometry, EarlyView.
ABSTRACT Ten timbers from the spire scaffold of Salisbury Cathedral were dated using a combination of ring‐width dendrochronology, stable oxygen isotopic dendrochronology and radiocarbon dating. Seven timbers were coeval and assigned a combined empirical felling date range of 1352–1378, which was further refined to 1351–1359 (OxCal 95.4%).
Kutsi D. Akcicek   +5 more
wiley   +1 more source

A ramsey-type theorem for multiple disjoint copies of induced subgraphs

open access: yesDiscussiones Mathematicae Graph Theory, 2014
Let k and ℓ be positive integers with ℓ ≤ k − 2. It is proved that there exists a positive integer c depending on k and ℓ such that every graph of order (2k−1−ℓ/k)n+c contains n vertex disjoint induced subgraphs, where these subgraphs are isomorphic to ...
Nakamigawa Tomoki
doaj   +1 more source

Dealing With Inbuilt Age: A Bayesian Approach to Radiocarbon Dating of Rice, Bamboo and Charcoal From Non Ban Jak, Thailand

open access: yesArchaeometry, EarlyView.
ABSTRACT New radiocarbon determinations from rice grains and bamboo have been obtained from Non Ban Jak, Northeast Thailand. These, along with charcoal, date a late Iron Age building sequence. The results come from short‐lived species and charcoal with potential inbuilt age. We built a series of Bayesian models to obtain a reliable chronology.
C. F. W. Higham, T. F. G. Higham
wiley   +1 more source

Robust and efficient quantum optimal control of spin probes in a complex (biological) environment. Towards sensing of fast temperature fluctuations

open access: yesNew Journal of Physics, 2018
We present an optimized scheme for nanoscale measurements of temperature in a complex environment using the nitrogen-vacancy center in nanodiamonds (NDs).
Philipp Konzelmann   +11 more
doaj   +1 more source

Remarks on a Ramsey theory for trees [PDF]

open access: green, 2012
János Pach   +2 more
openalex   +1 more source

A limiting result for the Ramsey theory of functional equations [PDF]

open access: green, 2022
Lorenzo Luperi Baglini   +1 more
openalex   +1 more source

Determinants of Amount Raised in Equity Crowdfunding Campaigns: An Application of Truncated Regression

open access: yesBulletin of Economic Research, EarlyView.
ABSTRACT Secondary‐market data on 1189 crowdfunding campaigns, extracted from the leading UK equity crowdfunding platform Seedrs, is used to identify the determinants of amount invested. A key feature of the dataset is that only successful campaigns are observed.
Xuerui Ma   +2 more
wiley   +1 more source

Monochromatic Graph Decompositions Inspired by Anti-Ramsey Theory and Parity Constraints

open access: yesMathematics
We open here many new tracks of research in anti-Ramsey Theory, considering edge-coloring problems inspired by rainbow coloring and further by odd colorings and conflict-free colorings. Let G be a graph and F any given family of graphs. For every integer
Yair Caro, Zsolt Tuza
doaj   +1 more source

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