Contractible Banach algebras?

Let A Banach algebra, A is contractible if H1(A,X)=0 for all Banach A-bimodules X . Now to my question Let A be Banach algebra and I be closed ideal of A. If I and A/I are both contractible,...

04 May 2019 507 4 View

Exercise books in Banach algebra?

I'm studying Banach algebra and I was wondering if there are some exercise books (that is, books with solved problems and exercises) The books I'm searching for should be: rich of complete, step...

11 December 2018 5,995 0 View

I am working on "geometry of Banach spaces and applications in metric fixed point theory ". Is anyone interested in collaboration?

10 November 2015 8,295 14 View

What is the best ways to learn a new topic reading book or article?

10 November 2015 8,981 1 View

What are the difference between kinds of articles

10 November 2015 1,859 1 View

Exercise books in Banach algebra?

I'm studying Banach algebra and I was wondering if there are some exercise books (that is, books with solved problems and exercises) The books I'm searching for should be: rich of complete, step...

01 January 1970 7,022 0 View

RIA. How to measure?

When you use RIA, with a control the unknown sample with antibodies, you bare in mind the binding sites of the antibodies. However you still need to measure labelled antigen (radioactive) and not...

28 February 2021 2,133 3 View

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...

28 February 2021 4,890 3 View

How to measure angle between laser travel path and machine axis in Laser Measurement system?

25 February 2021 1,987 3 View

Could the "incoming radiation (net radiation)" values be negative?

Could the "incoming solar radiation" values be negative? What is the difference between "global solar radiation" and "incoming solar radiation"? Which one might be measured negative values?

21 February 2021 7,726 9 View

Can I follow Researchers from Teaching and testing areas?

I want Researchers from Educational Measurement and Evaluation, relating to teaching, learning , academic performance and test validation

18 February 2021 4,757 13 View

How to determine measurement uncertainty of a mass balance?

Hi everyone, I work at a factory plant where they use a mass balance. The problem is that there is an huge difference between the input and output of one element. There are several people working...

10 February 2021 5,764 3 View

Translating two biomarkers to the same scale??

Hello researchers, I was wondering if anyone had experience in the following: I would like to translate two separate continuous biomarkers (A and B), that are mechanistically linked to each...

25 January 2021 2,107 3 View

Similarity between these two waveform? Similarity in terms of Shape?

Hi, These are the outputs generated by a system. Green-colored (nr) is desired output, while the system generates Red-colored (nf). I also have a dataset in CSV file. For this waveform, What...

21 January 2021 929 2 View

Is there any way to know if there is a lower threshold of the RMSE of a model?

I am trying to lower the RMSE of my model as much as I can and I am wondering if there is a way to estimate the lowest it can get based on general characteristics of the model. (e.g. the amount of...

19 January 2021 5,931 3 View

[Measurement invariance] - Do you test it on the full SEM model, on each construct separately, or both?

Hi everyone, I would like to know whether both cultural groups interpreted my questionnaire in a similar way. To do so, I conducted a measurement invariance analysis on the whole model of latent...

14 January 2021 1,845 3 View