NVIDIA has continuously reinvented itself over two decades. Our invention of the GPU in 1999 sparked the growth of the PC gaming market, redefined modern computer graphics, and revolutionized parallel computing. More recently, GPU deep learning ignited modern AI the next era of computing. NVIDIA is a “learning machine” that constantly evolves by adapting to new opportunities that are hard to solve, that only we can tackle, and that matter to the world. This is our life’s work, to amplify human creativity and intelligence. Make the choice and join us today!We are looking for mixed-signal/analog design engineers to be part of the team building next generation High Speed IOs for GDDR/HBM Memory Interfaces. This position offers the opportunity to have real impact in a dynamic, technology-focused company impacting product lines ranging from consumer graphics to self-driving cars and the growing field of artificial intelligence.What you'll be doing:You will be responsible for the development and implementation of high speed interfaces and analog circuits.Hands on experience taking creative integrated circuit designs at data rates of 20Gbps and higher from concept through silicon characterization.Define circuit requirements and complete design from schematic, layout, and verification to characterization.Conduct schematic design of deep-submicron CMOS technologies using Spectre, Hspice or like.Take ownership for the architecture, transistor design and verification using industry standard EDA tools such as Cadence virtuoso.Optimize circuit to meet the specifications for system performance.Work with layout engineers by providing detailed floorplan and guidance for matching and high-speed routings.Provide support for post-silicon bring-up and debugging.What we need to see:Master of Science or foreign equivalent degree in Electrical Engineering, Computer Engineering or related field with strong analog design background (or equivalent experience).5+ years of proven experience in crafting test bench environments for component and top level circuit verification.Strong Mixed-signal/Analog circuit design fundamentals.CMOS Analog / Mixed Signal Circuit Design Experience in deep sub-micron process (especially in FINFET).Experience with design and verification tools (Cadence's IC design environment, analog circuit simulation tools like Spectre, HSpice, Finesim, XA).Behavioral modeling of analog and digital circuits.Strong debugging and analytical skills.Analog simulation for noise analysis, loop stability analysis, ac/dc/tran analysis, monte-carlo, etc.Strong interpersonal skills and ability and dream to work as an outstanding teammate are huge plus.NVIDIA is widely considered to be one of the technology world’s most desirable employers. We have some of the most brilliant and talented people in the world working for us. If you're creative and autonomous, we want to hear from you!The base salary range is 168,000 USD - 310,500 USD. Your base salary will be determined based on your location, experience, and the pay of employees in similar positions.You will also be eligible for equity and benefits. NVIDIA accepts applications on an ongoing basis.NVIDIA is committed to fostering a diverse work environment and proud to be an equal opportunity employer. As we highly value diversity in our current and future employees, we do not discriminate (including in our hiring and promotion practices) on the basis of race, religion, color, national origin, gender, gender expression, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law.

NVIDIA is hiring senior software engineers to build and optimize the tools Deep Learning engineers use across the world to design, develop, and deploy AI applications. We are an ambitious, forward-thinking and diverse team that influences all areas of NVIDIA's AI platform and directly contributes to premiere Deep Learning frameworks - PyTorch, JAX and TensorFlow. We work with multiple teams both inside and outside of NVIDIA across fields, as well as collaborate with the open-source community to optimize the best AI platform in the world!What you will be doing:Develop and optimize open-source libraries, like Transformer Engine, which enables the fastest training of Large Language Models using low precision data formats, and TensorFlow Distributed Embeddings, providing ability to easily scale training of huge recommender systems on multiple GPUs.Study and tune Deep Learning training workloads at large scale, including important enterprise models.Build and support NVIDIA submissions to community benchmarks like MLPerf.Optimize the performance of influential, modern Deep Learning models coming out of academic and industry research, for NVIDIA GPUs and systems.Explore new technologies and advise design of new hardware generations and core platform software components.What we need to see:BS in Computer Science, Electrical Engineering or a related field (or equivalent experience).Demonstrated ability with 6+ years of C++ and Python programming.Strong background with parallel programming, preferably on GPUs.Knowledge of Computer Architecture and/or Operating Systems.Proven experience developing large software projects.Excellent verbal and written communication skills.Ways to stand out from the crowd:Experience with Deep Learning Frameworks, like PyTorch, JAX, Tensorflow or MXNet.Experience training language models.Background with performance analysis and profiling of workloads.Participation in the open-source community.Proven experience working with multidisciplinary teams.The base salary range is 184,000 USD - 425,500 USD. Your base salary will be determined based on your location, experience, and the pay of employees in similar positions.You will also be eligible for equity and benefits. NVIDIA accepts applications on an ongoing basis.NVIDIA is committed to fostering a diverse work environment and proud to be an equal opportunity employer. As we highly value diversity in our current and future employees, we do not discriminate (including in our hiring and promotion practices) on the basis of race, religion, color, national origin, gender, gender expression, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law.#deeplearning

We’re currently seeking a Senior Developer Technology Engineer, Artificial IntelligenceWould you enjoy researching parallel algorithms to accelerate AI workloads on advanced computer architectures Is it rewarding to investigate, find, and eliminate system bottlenecks to achieve the best possible performance of computer hardware Could you be thrilled about an opportunity to partner with the Developer community, working at the forefront of technology breakthroughs that contribute to the success of an industry leader like NVIDIA If so, the Developer Technology Team invites you to consider this role.What you will be doing:In this position, you will research and develop techniques to GPU accelerate workloads in deep learning, machine learning or other AI domains.Work directly with other technical experts in their fields (industry and academia) to perform in-depth analysis and optimization of complex AI and HPC algorithms to ensure the best possible AI solutions on modern CPU and GPU architectures.Publish and present discovered optimization techniques in developer blogs or relevant conferences to engage and educate the Developer community.Influence the design of next-generation hardware architectures, software, and programming models in collaboration with research, hardware, system software, libraries, and tools teams at NVIDIA.What we need to see:A Masters degree in Computer Science, Computer Engineering, or related computationally focused science degree (or additional equivalent experience).You have 8+ years of relevant work experience or research.Programming fluency in C/C++ with a deep understanding of algorithms and software development.A background that includes parallel programming, e.g., CUDA, OpenACC, OpenMP, MPI, pthreads, etc.Hands on experience doing low-level performance optimizations.In-depth expertise with CPU and GPU architecture fundamentals.Good communication and organization skills, with a logical approach to problem solving, and prioritization skills.Ways to stand out from the crowd:Expertise in parallelization and performance optimization of Deep Learning models arising from Natural Language Processing, Computer Vision, Recommender Systems, etc.Excellent understanding of linear algebra.NVIDIA is widely considered to be one of the technology world’s most desirable employers. We have some of the most forward-thinking and hardworking people in the world working for us. Are you a creative and autonomous computer scientist with a genuine passion for parallel computing If so, we want to hear from you. Come, join our AI Compute DevTech team and help build the real-time, cost-effective computing platform driving our success in this exciting and quickly growing field.The base salary range is 184,000 USD - 356,500 USD. Your base salary will be determined based on your location, experience, and the pay of employees in similar positions.You will also be eligible for equity and benefits. NVIDIA accepts applications on an ongoing basis.NVIDIA is committed to fostering a diverse work environment and proud to be an equal opportunity employer. As we highly value diversity in our current and future employees, we do not discriminate (including in our hiring and promotion practices) on the basis of race, religion, color, national origin, gender, gender expression, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law.

We are looking for a Senior Verification Engineer to join our Display Team! NVIDIA has continuously reinvented itself over two decades. Our invention of the GPU in 1999 fueled the growth of the PC gaming market, redefined modern computer graphics, and revolutionized parallel computing. More recently, GPU deep learning ignited modern AI the next era of computing. NVIDIA is a “learning machine” that constantly evolves by adapting to new opportunities that are hard to solve, that only we can tackle, and that matter to the world. This is our life’s work, to amplify human creativity and intelligence!In this role, you will work closely with Architects and ASIC Engineers to define and implement test plan, own all tasks involved in verification sign off to deliver high quality IPs, which are used in NVIDIA products around the world.What you’ll be doing:Develop and craft testplans based on architecture and microarchitectural specs. Drive testplan reviews with design/architecture teams.Develop testbenches and checkers based on UVM methodology.Develop RISCV microcode and tests in System Verilog & C/C++.Monitor the overall health of IP by defining and tracking verification metrics. Analyze functional/code coverage and work with design engineers to close coverage.Participate in the research of verification methodology to improve automation, productivity, and efficiency.Develop infrastructure and test suite to validate display performance.Collaborate with teams across multiple sites.What we need to see:BS/MS or equivalent experience in Electrical Engineering, Computer Engineering, or related field with at least 6+ years of proven experience.Background in verification using random stimulus along with functional coverage and assertion-based verification methodologies.Experience with test bench environments for unit and system level verification.Expertise in System Verilog.Good debugging and problem solving skills.Perl/Python and C/C++ programming language experience.You have excellent written, verbal and technical interpersonal skills.Demonstrate use of out-of-box thinking for creative solutions to highly sticky problems.Ways to stand out from the crowd:Outstanding programming skills in Python, C/C++ is a huge plus.Consistent track record to work independently as well as in a multi-disciplinary group environment.You are a strong self-starter who loves to solve complicated problems.Familiarity with pixel processing, ISO performance testing and high level synthesis based designs.#LI-HybridThe base salary range is 168,000 USD - 310,500 USD. Your base salary will be determined based on your location, experience, and the pay of employees in similar positions.You will also be eligible for equity and benefits. NVIDIA accepts applications on an ongoing basis.NVIDIA is committed to fostering a diverse work environment and proud to be an equal opportunity employer. As we highly value diversity in our current and future employees, we do not discriminate (including in our hiring and promotion practices) on the basis of race, religion, color, national origin, gender, gender expression, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law.

NVIDIA software powers today's breakthroughs in AI! To enable researchers and developers to keep pace with this dynamic field, we seek a technical marketing expert who understands the AI platform software stack and the ecosystem! This role will craft the fundamental technical content educating developers how to write software's using NVIDIA's AI platforms through technical blog posts, user guides, walk-throughs, benchmark and more. This material is essential in mentoring developers about the latest advancements in the NVIDIA AI platform SW. Do you appreciate the value of a well-done design guide If so, we'd like your help empowering developers across deep learning training and inference.What You'll be Doing:Collaborating with internal and external deep learning engineers and researchers to build product-based training material and how-to technical contentBeing the champion for AI among the NVIDIA developer community by interacting and answering questions about the product on Github and other forumsImproving product documentations to be clear and self-explanatoryFacilitating channel customer usability feedback from the external community and partnering with internal teams to improve NVIDIA AI Platforms to be the easiest to useProviding code guidelines to DL developers by implementing samples and proof of concept applicationsBenchmarking and generating data for better positioning of NVIDIA's SW productWhat We Need to See:Bachelor’s degree in Computer Science, Computer Engineering, or similar field or equivalent experience5+ years of meaningful work experience in software development, technical evangelism, technical marketing, developer marketing, or similar at a technology company3+ year of experience with deep learning or machine learningStrong knowledge of Python or C/C++, programming techniques, and software developmentStrength presenting to technical audiences and generating content for developersPrior success in juggling multiple projects at a timeWays to Stand Out from the Crowd:Advanced knowledge of LLMs, modern AI software architecture and cloud APIsExisting public facing technical content, forum contributions or open source projectsFamiliarity with PyTorch, JAX, vLLM or other training & inference frameworks#LI-HybridThe base salary range is 128,000 USD - 253,000 USD. Your base salary will be determined based on your location, experience, and the pay of employees in similar positions.You will also be eligible for equity and benefits. NVIDIA accepts applications on an ongoing basis.NVIDIA is committed to fostering a diverse work environment and proud to be an equal opportunity employer. As we highly value diversity in our current and future employees, we do not discriminate (including in our hiring and promotion practices) on the basis of race, religion, color, national origin, gender, gender expression, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law.

Overview: Must be a licensed and or a registered therapist to be considered.** EXCLUSIVE NEW JOB OPPORTUNITY!!*****Highly competitive rates and benefits package! ***Do you know a therapist who's a perfect fit for our team EARN UP TO $1,000 by referring a clinician to the Enhance family of brands! Make a difference and get rewarded for it!https://enhancetherapies.com/refer-a-friend/ About Us: South Pacific Rehab/Rehab Allianceis part of Enhance Therapies, a family of therapy companies with more than 30 years of industry leading experience. With over 7,000 therapists in 28 states and growing, we provide quality rehabilitation services to homecare, sub-acute, long-term care, outpatient, hospital, and assisted living facilities throughout the nation.South Pacific Rehab/Rehab Allianceis hiring! We are looking for a passionate part-time Speech Language Pathologist to join our growing team. In the same way that you are committed to quality work, we are equally dedicated to helping you grow and succeed with us.At South Pacific Rehab/Rehab Allianceyou will enjoy:Unparalleled schedule flexibility and supportive company cultureDynamic company partnerships to ensure career stability401K Plan with company matchOnline CEU CreditsPromotion / Advancement / Transfer OpportunitiesReferral bonus program eligibilityEmployee Assistance ProgramStudent mentor programWe offer additional benefits and perks, please reach out todayWe hire candidates who need H1B Sponsorship to include those on student Visa’s, H1B transfer and new H1B filing. Contact us today to learn about our amazing immigration program! Qualifications: Graduate of an accrediteduniversity with an MA, or M.S. in communication disordersthat ASHA recognizes and state board.SLP holds a current license and/or registration as a Speech Language Pathologist in-state as applicable.Responsibilities:Provide comprehensive speech therapy evaluations as per MD orders.Document findings on the standardized evaluation format neatly, accurately and adhering to all guidelines.Provide a comprehensive treatment plan including long and short-term goals, frequency, duration and treatment modalities, therapeutic interventions, clinical and technical guidelinesEnsure MD orders are obtained for evaluations, treatments, recertifications and discharges.Provide comprehensive treatment to patients utilizing modalities and modifying patient treatment as indicated and adhering to precautions.Work settings include: Outpatient, rehabilitation center, long term care, inpatient, clinic, nursing home, acute care, hospital Pay Range: USD $58.00 - USD $68.00 /Hr.

Overview: Must be a licensed and or a registered therapist to be considered.** EXCLUSIVE NEW JOB OPPORTUNITY!!*****Highly competitive rates and benefits package! ***Do you know a therapist who's a perfect fit for our team EARN UP TO $1,000 by referring a clinician to the Enhance family of brands! Make a difference and get rewarded for it!https://enhancetherapies.com/refer-a-friend/ About Us: South Pacific Rehab/Rehab Allianceis part of Enhance Therapies, a family of therapy companies with more than 30 years of industry leading experience. With over 7,000 therapists in 28 states and growing, we provide quality rehabilitation services to homecare, sub-acute, long-term care, outpatient, hospital, and assisted living facilities throughout the nation.South Pacific Rehab/Rehab Allianceis hiring! We are looking for a passionate part-time Speech Language Pathologist to join our growing team. In the same way that you are committed to quality work, we are equally dedicated to helping you grow and succeed with us.At South Pacific Rehab/Rehab Allianceyou will enjoy:Unparalleled schedule flexibility and supportive company cultureHealthcare benefits packageDynamic company partnerships to ensure career stability401K Plan with company matchOnline CEU CreditsPromotion / Advancement / Transfer OpportunitiesReferral bonus program eligibilityEmployee Assistance ProgramStudent mentor programWe offer additional benefits and perks, please reach out todayWe hire candidates who need H1B Sponsorship to include those on student Visa’s, H1B transfer and new H1B filing. Contact us today to learn about our amazing immigration program! Qualifications: Graduate of an accrediteduniversity with an MA, or M.S. in communication disordersthat ASHA recognizes and state board.SLP holds a current license and/or registration as a Speech Language Pathologist in-state as applicable.Responsibilities:Provide comprehensive speech therapy evaluations as per MD orders.Document findings on the standardized evaluation format neatly, accurately and adhering to all guidelines.Provide a comprehensive treatment plan including long and short-term goals, frequency, duration and treatment modalities, therapeutic interventions, clinical and technical guidelinesEnsure MD orders are obtained for evaluations, treatments, recertifications and discharges.Provide comprehensive treatment to patients utilizing modalities and modifying patient treatment as indicated and adhering to precautions. Pay Range: USD $57.00 - USD $63.00 /Hr.

Epic Special Education Staffing is now offering a $2,000 sign-on bonus for a limited time for Speech Language Pathologists!ABOUT USTogether, we are the Epic Special Education Staffing family and family is how we view each member of this incredible community. From our family to the nation’s schools, we remain focused on providing a world of opportunities for you to leverage your abilities and make an impact on special education. Apply today!POSITION DESCRIPTIONEpic Special Education Staffing is partnering with an exceptional school district who is looking for a contract School Speech Language Pathologist for the 2024 - 2025 school year.·Duration: ASAP - 06/06/2025·Location: Sunnyvale, CA·Location Type: On-Site·Schedule: Full Time or Part Time·Hours: 37.50·Grade/Age Levels: Elementary School;High School;Kindergarten;Middle School;Pre-K·Weekly Pay Range: $47.50 – $54.63 per hour on a local contractBENEFITSWe offer a variety of benefits for you and your loved ones. As a valued and respected part of the Epic family, you will enjoy:·Competitive compensation packages for both local and travel contracts·Medical, Dental, and Vision benefits·Infertility & Domestic Partner Coverage·Summer Insurance Coverage·PTO & Holiday Pay·401K matching·Wellness and Employee Assistance Program (EAP)·CEU & license reimbursements·Referral bonuses of $1000QUALIFICATIONSThe minimum qualifications for School Speech Language Pathologist:·1 year of verifiable, professional experience as School Speech Language Pathologist within the last 3 years (may include residency or clinical practicum)·Valid School Speech Language Pathologist credential/license or in process in state of practice·Employees must be legally authorized to work in the United States and will be asked for proof upon hire. We are unable to sponsor or take over sponsorship of an employment Visa at this time.·We will consider all qualified applicants for employment, including those with criminal histories, in a manner consistent with the requirements of applicable federal, state, and local laws.·Epic Staffing Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, housing, age, disability or genetics.At Epic Special Education Staffing, you will have the opportunity to apply your unique experience and expertise with school-based special education as your singular focus. We offer stimulating and rewarding careers that provide an opportunity to make a difference in a child's life! We appreciate referrals! Let us help your friends find a great place to call home! Ask your recruiter how you can receive a $1,000 referral bonus and $250 charitable donation!By applying for this position, you agree that any calls from Epic Staffing Group and its subsidiaries may be monitored or recorded for training and quality assurance purposes.

Ahealthcare facilityinCampbell,CA,is seeking a Radiation therapist to join its Radiation Oncology team. Our client is currently hiring a Radiation Therapist to join their team and operate advanced medical equipment, including Varian 21ix and Flexiton HDR, in our busy 35ppd Varian shop. Experience with Eclips/Aria treatment planning systems is desirable, but we will also consider new graduates for this position.RequirementsGraduated from a Radiologic Technology accredited program.Certification and registration in Radiation Therapy by the ARRTCA License0-3years of experience as a Radiation TherapistExperience withVarianlinear acceleratorsExperience with Eclipse/AriaEstimated PayThe facility provides a competitive range of compensation for this position. Actual compensation is influenced by a wide array of factors including, but not limited to, skill set, level of experience and specific office location. It is possible that this position can be hired outside of this salary range based on experience.The Pay Range for this position is$ 90,000.00 - $140,000.00. It is possible that this position can be hired outside of this salary range based on experience.Benefits of Working with Epic OncologyStaffingHealthcare Coverage: Comprehensive medical, dental, and vision plans.Professional Development: Training, workshops, and education opportunities.Paid Time Off: vacation, sick leave, and personal days.Retirement Plans: 401(k) or 403(b) options and financial planning assistance.Career Advancement: Paths for growth, mentorship, and skill development.Employee Recognition: Awards, events, and appreciation programs.About Epic Oncology StaffingWith more than 20 years of experience in improving the efficiency of oncology departments, Epic Oncology Staffing has become a prominent name in Radiation Oncology Services across the nation. We have successfully placed over 10,000 healthcare professionals, which is a testament to our expertise. Our unique partnership approach enables our placement experts to gain a deep understanding of our candidates' career goals and objectives, allowing us to identify the ideal opportunities for them.If you are interested in this job opportunity, please apply now or contact us for more information.By applying for this position, you agree that any calls from Epic Staffing Group and its subsidiaries may be monitored or recorded for training and quality assurance purposes.Epic Staffing Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, housing, age, disability or genetics.We will consider all qualified applicants for employment, including those with criminal histories, in a manner consistent with the requirements of applicable federal, state, and local laws.

Job Description:The Registered Nurse (RN) is a professional caregiver who assumes responsibility and accountability for assessing, planning, implementing and evaluating care of patients. The staff RN utilizes the nursing process by use of technology, therapeutic intervention, evidence-based practice and coordination of care with other health team members.Posting SpecificsShift Details: Night shift with holiday rotation and 4-6 weekend shifts in a 6 week periodDepartment: Med/Surg/OncologyAdditional Info: Differentials may apply.ScopeAs a Registered Nurse you know that every day is different, which is why you need to know how to:Assess, recognize and address patients psychological and physical needs- Foster quality of care with the best interests of patients and their families in mind- Communicate compassionately and effectively- Assist in developing individualized treatment plans- Comply with evaluation, treatment and documentation guidelines- Oversee care delivered by LPNs and/or CNAs- Participate in clinical team conferences- Follow hospital, regulatory and professional guidelines, policies and proceduresMinimum QualificationsEducationRequired:Graduation from an accredited School of Nursing is required.A Registered Nurse with an ASN/ADN degree must complete a BSN degree within four (4) years from the Registered Nurse’s date of hire unless the Registered Nurse has a minimum of fifteen (15) years of proven continuous Registered Nurse experience in an acute care setting. Failure to obtain a BSN degree within that time frame may result in suspension or termination of employment. Any Registered Nurse who takes legally protected leave during the Four (4) year completion period may have the period extended by a comparable amount of time.Registered Nurses employed by St Vincent, Good Samaritan, St. Joseph, or Lutheran Medical Centers as of September 1, 2014 with only an ASN/ADN will be exempt from this requirement. Registered Nurses employed by Holy Rosary, Platte Valley, St. Mary’s, Home Health, and TSFP as of December 31, 2017 with only an ASN/ADN will be exempt from this requirement.CertificationRequired:Current license as a Registered Nurse in the state of practice is required.Current American Heart Association Basic Life Support for Healthcare Providers (BLS-HCP) certification upon hire or obtained within 60 days of hire with prior approval. (ACLS/NRP/PALS as appropriate for unit or service.)Physical Requirements:Ongoing need for employee to see and read information, labels, assess patient needs, operate monitors, identify equipment and supplies.- and -Frequent interactions with patient care providers, patients, and visitors that require employee to verbally communicate as well as hear and understand spoken information, alarms, needs, and issues quickly and accurately, particularly during emergency situations.- and -Manual dexterity of hands and fingers to manipulate complex and delicate equipment with precision and accuracy. This includes frequent computer use and typing for documenting patient care, accessing needed information, medication preparation, etc.- and -Expected to lift and utilize full range of movement to transfer patients. Will also bend to retrieve, lift, and carry supplies and equipment. Typically includes items of varying weights, up to and including heavy items.- and -Need to walk and assist with transporting/ambulating patients and obtaining and distributing supplies and equipment. This includes pushing/pulling gurneys and portable equipment, including heavy items. Often required to navigate crowded and busy rooms (full of equipment, power cords on the floor, etc).- and -May be expected to stand in a stationary position for an extended period of time.Location:Good Samaritan HospitalWork City:LafayetteWork State:ColoradoScheduled Weekly Hours:36The hourly range for this position is listed below. Actual hourly rate dependent upon experience.$37.17 - $54.53We care about your well-being – mind, body, and spirit – which is why we provide our caregivers a generous benefits package that covers a wide range of programs to foster a sustainable culture of wellness that encompasses living healthy, happy, secure, connected, and engaged. Learn more about our comprehensive benefits packages for our Idaho, Nevada, and Utah based caregivers, and for our Colorado, Montana, and Kansas based caregivers; and our commitment todiversity, equity, and inclusion.Intermountain Health is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability or protected veteran status.All positions subject to close without notice.